NOV Open Interest
NOV Inc (NOV) had 31.14K open option contracts as of Nov 4, 2026: 29.23K calls and 1.91K puts. Open interest rose 48.0% over the past four weeks. The put/call open interest ratio is 0.07, so calls outnumber puts.
Open Interest by Strike
Showing results for NOV, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for NOV, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for NOV, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for NOV, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for NOV, all expirations, calls & puts. View full history
NOV Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does NOV have?
NOV had 31.14K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 30.06K contracts.
Is NOV open interest rising or falling?
Open interest rose 48.0% over the past four weeks. It was 21.03K contracts on Oct 7, 2026. See the NOV open interest history for a longer view.
What is the NOV put/call open interest ratio?
The NOV put/call open interest ratio was 0.07 as of Nov 4, 2026. Four weeks earlier it was 0.09.
What is NOV Inc?
NOV (formerly National Oilwell Varco) designs, manufactures, and sells a wide range of equipment and components supplying the oil and gas industry, including rig equipment, downhole tools, drill pipe, and well casing.