Unusual Stock Options Activity

Returns options where trading volume significantly exceeds open interest, a classic signal of unusual activity that may indicate institutional positioning or pending news.

Volume/OI Ratio

High volume relative to open interest suggests:

  • New positions being opened
  • Potential smart money activity
  • Possible event anticipation

Notes

  • Volume/OI ratio is key metric
  • Higher ratios = more unusual
  • Updates end-of-day
  • Popular screener for options traders

Examples

=opt_UnusualStockOptionsActivity(20, "US", "All")
Top 20 unusual activity

When to Use

Unusual activity screening, smart money detection, event anticipation

When NOT to Use

| Need just volume | opt_OptionsVolumeLeaders() |

Common Issues & FAQ

Q: Why am I getting "NA"? A: Check that:

  • The symbol is valid
  • You have proper data access
  • Parameters are in correct format

Q: Is this function Excel-only? A: Some functions may not have API endpoints and only work in Excel.

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MarketXLS Excel Add-in Tutorial - How to Use Unusual Stock Options Activity and Other Financial Formulas
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