ATI Open Interest
ATI Inc (ATI) had 31.89K open option contracts as of Nov 4, 2026: 20.39K calls and 11.51K puts. Open interest rose 17.3% over the past four weeks. The put/call open interest ratio is 0.56, so calls outnumber puts.
Open Interest by Strike
Showing results for ATI, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ATI, 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 ATI, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ATI, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ATI, all expirations, calls & puts. View full history
ATI 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 ATI have?
ATI had 31.89K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 32.62K contracts.
Is ATI open interest rising or falling?
Open interest rose 17.3% over the past four weeks. It was 27.19K contracts on Oct 7, 2026. See the ATI open interest history for a longer view.
What is the ATI put/call open interest ratio?
The ATI put/call open interest ratio was 0.56 as of Nov 4, 2026. Four weeks earlier it was 0.90.
What is ATI Inc?
ATI Inc supplies specialty metals to various end markets, including aerospace and defense, oil and gas, automotive, and electrical energy, among many others.