diff --git a/notebooks/python-notebook.ipynb b/notebooks/python-notebook.ipynb
index b66eace..8942e28 100644
--- a/notebooks/python-notebook.ipynb
+++ b/notebooks/python-notebook.ipynb
@@ -26,13 +26,6 @@
     "```\n"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -85,6 +78,16 @@
    "cell_type": "code",
    "execution_count": 4,
    "metadata": {},
+   "outputs": [],
+   "source": [
+    "import time\n",
+    "startime = time.time()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -113,7 +116,7 @@
        "└────────────┴─────┴────────────────────┴───────────┴─────────┴─────────┴─────────┘"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -128,7 +131,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -151,7 +154,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -165,7 +168,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
@@ -195,7 +198,7 @@
        "└────────────┴─────┴──────────────────┴──────────┴─────────┴─────────┴─────────┘"
       ]
      },
-     "execution_count": 7,
+     "execution_count": 8,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -203,30 +206,11 @@
    "source": [
     "big_df: pl.DataFrame = msyrs.qdf.load_qdf_from_download_bank(\n",
     "    folder_path=DATA_FOLDER_PATH, xcats=xcats\n",
+    "    # folder_path=DATA_FOLDER_PATH, cids=cids\n",
     ")\n",
     "big_df.head(5)"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 8,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "275.7717933654785"
-      ]
-     },
-     "execution_count": 8,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "big_df.estimated_size(\"mb\")"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 9,
@@ -235,7 +219,7 @@
     {
      "data": {
       "text/plain": [
-       "870.6678009033203"
+       "277.8842191696167"
       ]
      },
      "execution_count": 9,
@@ -244,7 +228,7 @@
     }
    ],
    "source": [
-    "big_df.to_pandas().memory_usage(deep=True).sum() / 1024**2"
+    "big_df.estimated_size(\"mb\")"
    ]
   },
   {
@@ -255,7 +239,7 @@
     {
      "data": {
       "text/plain": [
-       "211.74823188781738"
+       "877.1654348373413"
       ]
      },
      "execution_count": 10,
@@ -263,6 +247,26 @@
      "output_type": "execute_result"
     }
    ],
+   "source": [
+    "big_df.to_pandas().memory_usage(deep=True).sum() / 1024**2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "213.30906867980957"
+      ]
+     },
+     "execution_count": 11,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "macrosynergy.management.types.QuantamentalDataFrame(big_df.to_pandas()).memory_usage(\n",
     "    deep=True\n",
@@ -271,17 +275,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
     "sel_cids = [\"USD\", \"EUR\", \"GBP\", \"AUD\", \"CAD\"]\n",
-    "start = \"2024-11-14\""
+    "start = \"1999-11-14\""
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {
@@ -294,30 +298,30 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (30, 7)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>cid</th><th>xcat</th><th>value</th><th>grading</th><th>eop_lag</th><th>mop_lag</th></tr><tr><td>date</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>i64</td><td>i64</td></tr></thead><tbody><tr><td>2024-11-14</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.329188</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.826346</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.156683</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;CAD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.199402</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;CAD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.696517</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td></tr><tr><td>2024-11-15</td><td>&quot;GBP&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>-0.068778</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;GBP&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>0.488626</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>-0.549983</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>-1.198544</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>0.349312</td><td>1.0</td><td>0</td><td>0</td></tr></tbody></table></div>"
+       "<small>shape: (62_363, 7)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>cid</th><th>xcat</th><th>value</th><th>grading</th><th>eop_lag</th><th>mop_lag</th></tr><tr><td>date</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>i64</td><td>i64</td></tr></thead><tbody><tr><td>2000-05-04</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-1.251605</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-05</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>1.787455</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-08</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.574713</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-09</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.931278</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-10</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-1.523501</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td></tr><tr><td>2024-11-15</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>-1.198544</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>0.349312</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-19</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>0.2776</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-20</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>-0.014759</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-21</td><td>&quot;USD&quot;</td><td>&quot;EQXR_VT10&quot;</td><td>0.483426</td><td>1.0</td><td>0</td><td>0</td></tr></tbody></table></div>"
       ],
       "text/plain": [
-       "shape: (30, 7)\n",
+       "shape: (62_363, 7)\n",
        "┌────────────┬─────┬───────────┬───────────┬─────────┬─────────┬─────────┐\n",
        "│ real_date  ┆ cid ┆ xcat      ┆ value     ┆ grading ┆ eop_lag ┆ mop_lag │\n",
        "│ ---        ┆ --- ┆ ---       ┆ ---       ┆ ---     ┆ ---     ┆ ---     │\n",
        "│ date       ┆ str ┆ str       ┆ f64       ┆ f64     ┆ i64     ┆ i64     │\n",
        "╞════════════╪═════╪═══════════╪═══════════╪═════════╪═════════╪═════════╡\n",
-       "│ 2024-11-14 ┆ AUD ┆ EQXR_NSA  ┆ 0.329188  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ AUD ┆ EQXR_NSA  ┆ 0.826346  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ AUD ┆ EQXR_NSA  ┆ 0.156683  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ CAD ┆ EQXR_NSA  ┆ 0.199402  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ CAD ┆ EQXR_NSA  ┆ -0.696517 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-04 ┆ AUD ┆ EQXR_NSA  ┆ -1.251605 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-05 ┆ AUD ┆ EQXR_NSA  ┆ 1.787455  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-08 ┆ AUD ┆ EQXR_NSA  ┆ -0.574713 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-09 ┆ AUD ┆ EQXR_NSA  ┆ -0.931278 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-10 ┆ AUD ┆ EQXR_NSA  ┆ -1.523501 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "│ …          ┆ …   ┆ …         ┆ …         ┆ …       ┆ …       ┆ …       │\n",
-       "│ 2024-11-15 ┆ GBP ┆ EQXR_VT10 ┆ -0.068778 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ GBP ┆ EQXR_VT10 ┆ 0.488626  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ USD ┆ EQXR_VT10 ┆ -0.549983 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "│ 2024-11-15 ┆ USD ┆ EQXR_VT10 ┆ -1.198544 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "│ 2024-11-18 ┆ USD ┆ EQXR_VT10 ┆ 0.349312  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-19 ┆ USD ┆ EQXR_VT10 ┆ 0.2776    ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-20 ┆ USD ┆ EQXR_VT10 ┆ -0.014759 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-21 ┆ USD ┆ EQXR_VT10 ┆ 0.483426  ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "└────────────┴─────┴───────────┴───────────┴─────────┴─────────┴─────────┘"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 13,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -334,7 +338,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -344,54 +348,6 @@
     ")"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 14,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div><style>\n",
-       ".dataframe > thead > tr,\n",
-       ".dataframe > tbody > tr {\n",
-       "  text-align: right;\n",
-       "  white-space: pre-wrap;\n",
-       "}\n",
-       "</style>\n",
-       "<small>shape: (10, 7)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>cid</th><th>xcat</th><th>value</th><th>grading</th><th>eop_lag</th><th>mop_lag</th></tr><tr><td>date</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>i64</td><td>i64</td></tr></thead><tbody><tr><td>2024-11-14</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.329188</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.826346</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.156683</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;CAD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.199402</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;CAD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.696517</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;CAD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.146961</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;EUR&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>2.024889</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;EUR&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.661567</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;EUR&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.145682</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;GBP&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.596533</td><td>1.0</td><td>0</td><td>0</td></tr></tbody></table></div>"
-      ],
-      "text/plain": [
-       "shape: (10, 7)\n",
-       "┌────────────┬─────┬──────────┬───────────┬─────────┬─────────┬─────────┐\n",
-       "│ real_date  ┆ cid ┆ xcat     ┆ value     ┆ grading ┆ eop_lag ┆ mop_lag │\n",
-       "│ ---        ┆ --- ┆ ---      ┆ ---       ┆ ---     ┆ ---     ┆ ---     │\n",
-       "│ date       ┆ str ┆ str      ┆ f64       ┆ f64     ┆ i64     ┆ i64     │\n",
-       "╞════════════╪═════╪══════════╪═══════════╪═════════╪═════════╪═════════╡\n",
-       "│ 2024-11-14 ┆ AUD ┆ EQXR_NSA ┆ 0.329188  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ AUD ┆ EQXR_NSA ┆ 0.826346  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ AUD ┆ EQXR_NSA ┆ 0.156683  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ CAD ┆ EQXR_NSA ┆ 0.199402  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ CAD ┆ EQXR_NSA ┆ -0.696517 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ CAD ┆ EQXR_NSA ┆ 0.146961  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ EUR ┆ EQXR_NSA ┆ 2.024889  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ EUR ┆ EQXR_NSA ┆ -0.661567 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ EUR ┆ EQXR_NSA ┆ -0.145682 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ GBP ┆ EQXR_NSA ┆ 0.596533  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "└────────────┴─────┴──────────┴───────────┴─────────┴─────────┴─────────┘"
-      ]
-     },
-     "execution_count": 14,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "new_df: pl.DataFrame = msyrs.qdf.update_dataframe(df=eq_df, df_add=fx_df)\n",
-    "\n",
-    "new_df.head(10)"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 15,
@@ -407,7 +363,55 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (10, 7)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>cid</th><th>xcat</th><th>value</th><th>grading</th><th>eop_lag</th><th>mop_lag</th></tr><tr><td>date</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>i64</td><td>i64</td></tr></thead><tbody><tr><td>2024-11-18</td><td>&quot;AUD&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>0.518501</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;CAD&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-1.132314</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;CAD&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-1.755605</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;CAD&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>0.751675</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;EUR&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.292422</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;EUR&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.855108</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;EUR&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>0.791866</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.110526</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.700977</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.140805</td><td>1.0</td><td>0</td><td>0</td></tr></tbody></table></div>"
+       "<small>shape: (10, 7)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>cid</th><th>xcat</th><th>value</th><th>grading</th><th>eop_lag</th><th>mop_lag</th></tr><tr><td>date</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>i64</td><td>i64</td></tr></thead><tbody><tr><td>2000-05-04</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-1.251605</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-05</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>1.787455</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-08</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.574713</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-09</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.931278</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-10</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-1.523501</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-11</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-1.579987</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-12</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>1.80602</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-15</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>0.295664</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-16</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>1.310187</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2000-05-17</td><td>&quot;AUD&quot;</td><td>&quot;EQXR_NSA&quot;</td><td>-0.711284</td><td>1.0</td><td>0</td><td>0</td></tr></tbody></table></div>"
+      ],
+      "text/plain": [
+       "shape: (10, 7)\n",
+       "┌────────────┬─────┬──────────┬───────────┬─────────┬─────────┬─────────┐\n",
+       "│ real_date  ┆ cid ┆ xcat     ┆ value     ┆ grading ┆ eop_lag ┆ mop_lag │\n",
+       "│ ---        ┆ --- ┆ ---      ┆ ---       ┆ ---     ┆ ---     ┆ ---     │\n",
+       "│ date       ┆ str ┆ str      ┆ f64       ┆ f64     ┆ i64     ┆ i64     │\n",
+       "╞════════════╪═════╪══════════╪═══════════╪═════════╪═════════╪═════════╡\n",
+       "│ 2000-05-04 ┆ AUD ┆ EQXR_NSA ┆ -1.251605 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-05 ┆ AUD ┆ EQXR_NSA ┆ 1.787455  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-08 ┆ AUD ┆ EQXR_NSA ┆ -0.574713 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-09 ┆ AUD ┆ EQXR_NSA ┆ -0.931278 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-10 ┆ AUD ┆ EQXR_NSA ┆ -1.523501 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-11 ┆ AUD ┆ EQXR_NSA ┆ -1.579987 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-12 ┆ AUD ┆ EQXR_NSA ┆ 1.80602   ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-15 ┆ AUD ┆ EQXR_NSA ┆ 0.295664  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-16 ┆ AUD ┆ EQXR_NSA ┆ 1.310187  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2000-05-17 ┆ AUD ┆ EQXR_NSA ┆ -0.711284 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "└────────────┴─────┴──────────┴───────────┴─────────┴─────────┴─────────┘"
+      ]
+     },
+     "execution_count": 15,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "new_df: pl.DataFrame = msyrs.qdf.update_dataframe(df=eq_df, df_add=fx_df)\n",
+    "\n",
+    "new_df.head(10)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div><style>\n",
+       ".dataframe > thead > tr,\n",
+       ".dataframe > tbody > tr {\n",
+       "  text-align: right;\n",
+       "  white-space: pre-wrap;\n",
+       "}\n",
+       "</style>\n",
+       "<small>shape: (10, 7)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>cid</th><th>xcat</th><th>value</th><th>grading</th><th>eop_lag</th><th>mop_lag</th></tr><tr><td>date</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>i64</td><td>i64</td></tr></thead><tbody><tr><td>2024-11-07</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>0.806682</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-08</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.247346</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-12</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-1.083137</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-13</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.328958</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-14</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.110526</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-15</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.700977</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-18</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.140805</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-19</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>0.223372</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-20</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>0.361783</td><td>1.0</td><td>0</td><td>0</td></tr><tr><td>2024-11-21</td><td>&quot;GBP&quot;</td><td>&quot;FXXR_VT10&quot;</td><td>-0.375365</td><td>1.0</td><td>0</td><td>0</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (10, 7)\n",
@@ -416,20 +420,20 @@
        "│ ---        ┆ --- ┆ ---       ┆ ---       ┆ ---     ┆ ---     ┆ ---     │\n",
        "│ date       ┆ str ┆ str       ┆ f64       ┆ f64     ┆ i64     ┆ i64     │\n",
        "╞════════════╪═════╪═══════════╪═══════════╪═════════╪═════════╪═════════╡\n",
-       "│ 2024-11-18 ┆ AUD ┆ FXXR_VT10 ┆ 0.518501  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ CAD ┆ FXXR_VT10 ┆ -1.132314 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ CAD ┆ FXXR_VT10 ┆ -1.755605 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ CAD ┆ FXXR_VT10 ┆ 0.751675  ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-14 ┆ EUR ┆ FXXR_VT10 ┆ -0.292422 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-15 ┆ EUR ┆ FXXR_VT10 ┆ -0.855108 ┆ 1.0     ┆ 0       ┆ 0       │\n",
-       "│ 2024-11-18 ┆ EUR ┆ FXXR_VT10 ┆ 0.791866  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-07 ┆ GBP ┆ FXXR_VT10 ┆ 0.806682  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-08 ┆ GBP ┆ FXXR_VT10 ┆ -0.247346 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-12 ┆ GBP ┆ FXXR_VT10 ┆ -1.083137 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-13 ┆ GBP ┆ FXXR_VT10 ┆ -0.328958 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "│ 2024-11-14 ┆ GBP ┆ FXXR_VT10 ┆ -0.110526 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "│ 2024-11-15 ┆ GBP ┆ FXXR_VT10 ┆ -0.700977 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "│ 2024-11-18 ┆ GBP ┆ FXXR_VT10 ┆ -0.140805 ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-19 ┆ GBP ┆ FXXR_VT10 ┆ 0.223372  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-20 ┆ GBP ┆ FXXR_VT10 ┆ 0.361783  ┆ 1.0     ┆ 0       ┆ 0       │\n",
+       "│ 2024-11-21 ┆ GBP ┆ FXXR_VT10 ┆ -0.375365 ┆ 1.0     ┆ 0       ┆ 0       │\n",
        "└────────────┴─────┴───────────┴───────────┴─────────┴─────────┴─────────┘"
       ]
      },
-     "execution_count": 15,
+     "execution_count": 16,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -440,24 +444,78 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [
     {
-     "ename": "PanicException",
-     "evalue": "called `Result::unwrap()` on an `Err` value: Duplicate(ErrString(\"unable to hstack, column with name \\\"value_right\\\" already exists\"))",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[1;31mPanicException\u001b[0m                            Traceback (most recent call last)",
-      "Cell \u001b[1;32mIn[16], line 1\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43mmsyrs\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mqdf\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mpivot_dataframe_by_ticker\u001b[49m\u001b[43m(\u001b[49m\u001b[43mdf\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mnew_df\u001b[49m\u001b[43m)\u001b[49m\u001b[38;5;241m.\u001b[39mhead(\u001b[38;5;241m10\u001b[39m)\n",
-      "\u001b[1;31mPanicException\u001b[0m: called `Result::unwrap()` on an `Err` value: Duplicate(ErrString(\"unable to hstack, column with name \\\"value_right\\\" already exists\"))"
-     ]
+     "data": {
+      "text/html": [
+       "<div><style>\n",
+       ".dataframe > thead > tr,\n",
+       ".dataframe > tbody > tr {\n",
+       "  text-align: right;\n",
+       "  white-space: pre-wrap;\n",
+       "}\n",
+       "</style>\n",
+       "<small>shape: (10, 31)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>real_date</th><th>EUR_EQXR_NSA</th><th>EUR_FXXR_NSA</th><th>EUR_FXXR_VT10</th><th>GBP_FXCRR_NSA</th><th>CAD_FXCRR_NSA</th><th>GBP_FXTARGETED_NSA</th><th>CAD_FXTARGETED_NSA</th><th>AUD_FXXR_VT10</th><th>AUD_EQXR_VT10</th><th>EUR_FXTARGETED_NSA</th><th>USD_EQXR_NSA</th><th>EUR_FXUNTRADABLE_NSA</th><th>AUD_EQXR_NSA</th><th>AUD_FXCRR_NSA</th><th>USD_EQXR_VT10</th><th>CAD_FXXR_NSA</th><th>CAD_EQXR_NSA</th><th>GBP_EQXR_NSA</th><th>EUR_FXCRR_NSA</th><th>CAD_FXXR_VT10</th><th>GBP_FXXR_VT10</th><th>GBP_FXUNTRADABLE_NSA</th><th>AUD_FXTARGETED_NSA</th><th>CAD_FXUNTRADABLE_NSA</th><th>GBP_FXXR_NSA</th><th>AUD_FXUNTRADABLE_NSA</th><th>GBP_EQXR_VT10</th><th>EUR_EQXR_VT10</th><th>AUD_FXXR_NSA</th><th>CAD_EQXR_VT10</th></tr><tr><td>date</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td><td>f64</td></tr></thead><tbody><tr><td>1999-11-15</td><td>1.280812</td><td>-0.044278</td><td>-0.047169</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>0.162526</td><td>null</td><td>0.0</td><td>0.099886</td><td>0.0</td><td>null</td><td>null</td><td>0.042075</td><td>-0.16911</td><td>1.59292</td><td>0.566529</td><td>null</td><td>-0.399282</td><td>0.737643</td><td>0.0</td><td>0.0</td><td>0.0</td><td>0.39863</td><td>0.0</td><td>0.261301</td><td>0.607996</td><td>0.147108</td><td>0.782683</td></tr><tr><td>1999-11-16</td><td>0.596516</td><td>0.067358</td><td>0.071755</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.650292</td><td>null</td><td>0.0</td><td>1.995723</td><td>0.0</td><td>null</td><td>null</td><td>0.840653</td><td>0.100898</td><td>-0.783972</td><td>0.746041</td><td>null</td><td>0.238229</td><td>-0.587343</td><td>0.0</td><td>0.0</td><td>0.0</td><td>-0.317407</td><td>0.0</td><td>0.344098</td><td>0.283164</td><td>-0.588599</td><td>-0.385205</td></tr><tr><td>1999-11-17</td><td>0.735294</td><td>0.860897</td><td>0.917107</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.413651</td><td>null</td><td>0.0</td><td>-0.908456</td><td>0.0</td><td>null</td><td>null</td><td>-0.382666</td><td>-0.368379</td><td>-0.054873</td><td>-0.740517</td><td>null</td><td>-0.869773</td><td>-0.015875</td><td>0.0</td><td>0.0</td><td>0.0</td><td>-0.008579</td><td>0.0</td><td>-0.34155</td><td>0.349041</td><td>-0.374409</td><td>-0.026962</td></tr><tr><td>1999-11-18</td><td>1.012479</td><td>-1.147048</td><td>-1.221942</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.107377</td><td>null</td><td>0.0</td><td>0.747532</td><td>0.0</td><td>null</td><td>null</td><td>0.314881</td><td>0.215459</td><td>0.614912</td><td>0.045676</td><td>null</td><td>0.508717</td><td>-0.040124</td><td>0.0</td><td>0.0</td><td>0.0</td><td>-0.021683</td><td>0.0</td><td>0.021067</td><td>0.48062</td><td>-0.097191</td><td>0.302137</td></tr><tr><td>1999-11-19</td><td>0.34965</td><td>0.077241</td><td>0.082284</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>0.067403</td><td>null</td><td>0.0</td><td>-0.076998</td><td>0.0</td><td>null</td><td>null</td><td>-0.032434</td><td>0.267814</td><td>0.622067</td><td>-0.989195</td><td>null</td><td>0.63233</td><td>0.465899</td><td>0.0</td><td>0.0</td><td>0.0</td><td>0.251777</td><td>0.0</td><td>-0.456249</td><td>0.165977</td><td>0.061008</td><td>0.305653</td></tr><tr><td>1999-11-22</td><td>-2.090592</td><td>0.222742</td><td>0.237285</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.623692</td><td>null</td><td>0.0</td><td>-0.021016</td><td>0.0</td><td>null</td><td>null</td><td>-0.008852</td><td>-0.029578</td><td>-0.824295</td><td>-0.814633</td><td>null</td><td>-0.069836</td><td>-0.077427</td><td>0.0</td><td>0.0</td><td>0.0</td><td>-0.041842</td><td>0.0</td><td>-0.375735</td><td>-0.992395</td><td>-0.564523</td><td>-0.405018</td></tr><tr><td>1999-11-23</td><td>0.54567</td><td>-0.484609</td><td>-0.51625</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.1249</td><td>null</td><td>0.0</td><td>-1.065022</td><td>0.0</td><td>null</td><td>null</td><td>-0.448616</td><td>-0.234997</td><td>1.049869</td><td>1.62715</td><td>null</td><td>-0.554847</td><td>0.907404</td><td>0.0</td><td>0.0</td><td>0.0</td><td>0.490371</td><td>0.0</td><td>0.750494</td><td>0.259027</td><td>-0.113051</td><td>0.515854</td></tr><tr><td>1999-11-24</td><td>0.0</td><td>-0.846988</td><td>-0.902291</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.53942</td><td>null</td><td>0.0</td><td>0.672805</td><td>0.0</td><td>null</td><td>null</td><td>0.283403</td><td>-0.003023</td><td>0.757576</td><td>0.465081</td><td>null</td><td>-0.007137</td><td>-0.866831</td><td>0.0</td><td>0.0</td><td>0.0</td><td>-0.468445</td><td>0.0</td><td>0.21451</td><td>0.0</td><td>-0.488246</td><td>0.372235</td></tr><tr><td>1999-11-26</td><td>0.780712</td><td>-0.353428</td><td>-0.376504</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>-0.279707</td><td>null</td><td>0.0</td><td>-0.485403</td><td>0.0</td><td>null</td><td>null</td><td>-0.204465</td><td>-0.137121</td><td>0.297556</td><td>-0.044776</td><td>null</td><td>-0.323755</td><td>-0.553951</td><td>0.0</td><td>0.0</td><td>0.0</td><td>-0.299362</td><td>0.0</td><td>-0.020652</td><td>0.3706</td><td>-0.253172</td><td>0.146204</td></tr><tr><td>1999-11-29</td><td>-0.615174</td><td>-0.696737</td><td>-0.742228</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>0.224152</td><td>null</td><td>0.0</td><td>-0.296904</td><td>0.0</td><td>null</td><td>null</td><td>-0.125064</td><td>-0.423601</td><td>-1.970757</td><td>0.029864</td><td>null</td><td>-1.000157</td><td>0.516482</td><td>0.0</td><td>0.0</td><td>0.0</td><td>0.279113</td><td>0.0</td><td>0.013774</td><td>-0.292021</td><td>0.202887</td><td>-0.968333</td></tr></tbody></table></div>"
+      ],
+      "text/plain": [
+       "shape: (10, 31)\n",
+       "┌───────────┬───────────┬───────────┬───────────┬───┬───────────┬───────────┬───────────┬──────────┐\n",
+       "│ real_date ┆ EUR_EQXR_ ┆ EUR_FXXR_ ┆ EUR_FXXR_ ┆ … ┆ GBP_EQXR_ ┆ EUR_EQXR_ ┆ AUD_FXXR_ ┆ CAD_EQXR │\n",
+       "│ ---       ┆ NSA       ┆ NSA       ┆ VT10      ┆   ┆ VT10      ┆ VT10      ┆ NSA       ┆ _VT10    │\n",
+       "│ date      ┆ ---       ┆ ---       ┆ ---       ┆   ┆ ---       ┆ ---       ┆ ---       ┆ ---      │\n",
+       "│           ┆ f64       ┆ f64       ┆ f64       ┆   ┆ f64       ┆ f64       ┆ f64       ┆ f64      │\n",
+       "╞═══════════╪═══════════╪═══════════╪═══════════╪═══╪═══════════╪═══════════╪═══════════╪══════════╡\n",
+       "│ 1999-11-1 ┆ 1.280812  ┆ -0.044278 ┆ -0.047169 ┆ … ┆ 0.261301  ┆ 0.607996  ┆ 0.147108  ┆ 0.782683 │\n",
+       "│ 5         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆          │\n",
+       "│ 1999-11-1 ┆ 0.596516  ┆ 0.067358  ┆ 0.071755  ┆ … ┆ 0.344098  ┆ 0.283164  ┆ -0.588599 ┆ -0.38520 │\n",
+       "│ 6         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆ 5        │\n",
+       "│ 1999-11-1 ┆ 0.735294  ┆ 0.860897  ┆ 0.917107  ┆ … ┆ -0.34155  ┆ 0.349041  ┆ -0.374409 ┆ -0.02696 │\n",
+       "│ 7         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆ 2        │\n",
+       "│ 1999-11-1 ┆ 1.012479  ┆ -1.147048 ┆ -1.221942 ┆ … ┆ 0.021067  ┆ 0.48062   ┆ -0.097191 ┆ 0.302137 │\n",
+       "│ 8         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆          │\n",
+       "│ 1999-11-1 ┆ 0.34965   ┆ 0.077241  ┆ 0.082284  ┆ … ┆ -0.456249 ┆ 0.165977  ┆ 0.061008  ┆ 0.305653 │\n",
+       "│ 9         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆          │\n",
+       "│ 1999-11-2 ┆ -2.090592 ┆ 0.222742  ┆ 0.237285  ┆ … ┆ -0.375735 ┆ -0.992395 ┆ -0.564523 ┆ -0.40501 │\n",
+       "│ 2         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆ 8        │\n",
+       "│ 1999-11-2 ┆ 0.54567   ┆ -0.484609 ┆ -0.51625  ┆ … ┆ 0.750494  ┆ 0.259027  ┆ -0.113051 ┆ 0.515854 │\n",
+       "│ 3         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆          │\n",
+       "│ 1999-11-2 ┆ 0.0       ┆ -0.846988 ┆ -0.902291 ┆ … ┆ 0.21451   ┆ 0.0       ┆ -0.488246 ┆ 0.372235 │\n",
+       "│ 4         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆          │\n",
+       "│ 1999-11-2 ┆ 0.780712  ┆ -0.353428 ┆ -0.376504 ┆ … ┆ -0.020652 ┆ 0.3706    ┆ -0.253172 ┆ 0.146204 │\n",
+       "│ 6         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆          │\n",
+       "│ 1999-11-2 ┆ -0.615174 ┆ -0.696737 ┆ -0.742228 ┆ … ┆ 0.013774  ┆ -0.292021 ┆ 0.202887  ┆ -0.96833 │\n",
+       "│ 9         ┆           ┆           ┆           ┆   ┆           ┆           ┆           ┆ 3        │\n",
+       "└───────────┴───────────┴───────────┴───────────┴───┴───────────┴───────────┴───────────┴──────────┘"
+      ]
+     },
+     "execution_count": 17,
+     "metadata": {},
+     "output_type": "execute_result"
     }
    ],
    "source": [
     "msyrs.qdf.pivot_dataframe_by_ticker(df=new_df).head(10)"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Time taken: 5.683506011962891 seconds\n"
+     ]
+    }
+   ],
+   "source": [
+    "end_time = time.time()\n",
+    "print(f\"Time taken: {end_time - startime} seconds\")"
+   ]
   }
  ],
  "metadata": {