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   "source": [
    "![QuantConnect Logo](https://cdn.quantconnect.com/web/i/qc_notebook_logo_rev0.png)\n",
    "## Welcome to The QuantConnect Research Page\n",
    "#### Refer to this page for documentation https://www.quantconnect.com/docs/research/overview#\n",
    "#### Contribute to this template file https://github.com/QuantConnect/Lean/blob/master/Research/BasicQuantBookTemplate.ipynb"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## QuantBook Basics\n",
    "\n",
    "### Start QuantBook\n",
    "- Add the references and imports\n",
    "- Create a QuantBook instance"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "// QuantBook C# Research Environment\n",
    "// For more information see https://www.quantconnect.com/docs/research/overview\n",
    "#load \"./Initialize.csx\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#load \"./QuantConnect.csx\"\n",
    "\n",
    "using QuantConnect;\n",
    "using QuantConnect.Data;\n",
    "using QuantConnect.Algorithm;\n",
    "using QuantConnect.Research;"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "var qb = new QuantBook();\n",
    "var spy = qb.AddEquity(\"SPY\");"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "var startDate = new DateTime(2021,1,1);\n",
    "var endDate = new DateTime(2021,12,31);\n",
    "var history = qb.History(qb.Securities.Keys, startDate, endDate, Resolution.Daily);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "foreach(var slice in history.Take(5)) {\n",
    "    Console.WriteLine(slice.Bars[spy.Symbol].ToString());\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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