{
  "name": "top_iv90_three_day_gains",
  "description": "Concrete description of requested underlying scan",
  "last_updated": "2019-12-26T08:16:09.5195614-06:00",
  "output": [
    {
      "symbol": "NMBL",
      "company_name": "Nimble Storage Inc",
      "last": 43.38,
      "last_change": -0.8,
      "iv90": 16.22,
      "iv90_three_day_close": 59.0,
      "iv90_increase": 5.0
    },
    {
      "symbol": "PRTK",
      "company_name": "Paratek Pharmaceuticals Inc",
      "last": 45.26,
      "last_change": 2.17,
      "iv90": 16.54,
      "iv90_three_day_close": 63.0,
      "iv90_increase": 69.0
    }
  ]
}

<underlying_scan xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
  <description>Concrete description of requested underlying scan</description>
  <last_updated>2019-12-26T08:16:09.5195614-06:00</last_updated>
  <name>top_iv90_three_day_gains</name>
  <output>
    <top_iv90_three_day_gains_result>
      <symbol>NMBL</symbol>
      <company_name>Nimble Storage Inc</company_name>
      <last>43.38</last>
      <last_change>-0.8</last_change>
      <iv90>16.22</iv90>
      <iv90_three_day_close>59</iv90_three_day_close>
      <iv90_increase>5</iv90_increase>
    </top_iv90_three_day_gains_result>
    <top_iv90_three_day_gains_result>
      <symbol>PRTK</symbol>
      <company_name>Paratek Pharmaceuticals Inc</company_name>
      <last>45.26</last>
      <last_change>2.17</last_change>
      <iv90>16.54</iv90>
      <iv90_three_day_close>63</iv90_three_day_close>
      <iv90_increase>69</iv90_increase>
    </top_iv90_three_day_gains_result>
  </output>
</underlying_scan>