Adjust trade size for backtest example

Author: cjdsellers

examples/notebooks/backtest_example.ipynb

@@ -82,7 +82,7 @@
     "            bar_type=\"EUR/USD.SIM-15-MINUTE-BID-INTERNAL\",\n",
     "            fast_ema=10,\n",
     "            slow_ema=20,\n",
-    "            trade_size=Decimal(1_000_000),\n",
+    "            trade_size=Decimal(100_000),\n",
     "        ),\n",
     "    ),\n",
     "]\n",