NOC Open Interest
Northrop Grumman Corp (NOC) had 33.69K open option contracts as of Nov 4, 2026: 16.2K calls and 17.49K puts. Open interest rose 8.7% over the past four weeks, and is NOC's highest level in 12 weeks. The put/call open interest ratio is 1.08, so puts outnumber calls.
Open Interest by Strike
Showing results for NOC, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for NOC, 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 NOC, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for NOC, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for NOC, all expirations, calls & puts. View full history
NOC 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 NOC have?
Northrop Grumman had 33.69K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 32.09K contracts.
Is NOC open interest rising or falling?
Open interest rose 8.7% over the past four weeks, and is NOC's highest level in 12 weeks. It was 30.98K contracts on Oct 7, 2026. See the NOC open interest history for a longer view.
What is the NOC put/call open interest ratio?
The Northrop Grumman put/call open interest ratio was 1.08 as of Nov 4, 2026. Four weeks earlier it was 1.09.
What is Northrop Grumman Corp?
Northrop Grumman is a diversified defense contractor providing aeronautics, defense, and space systems.