PSX Open Interest
Phillips 66 (PSX) had 82.39K open option contracts as of Nov 4, 2026: 43.48K calls and 38.91K puts. Open interest fell 6.2% over the past four weeks. The put/call open interest ratio is 0.89, so calls outnumber puts.
Open Interest by Strike
Showing results for PSX, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for PSX, 2026-11-06(w), 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 PSX, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for PSX, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for PSX, all expirations, calls & puts. View full history
PSX 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 PSX have?
Phillips 66 had 82.39K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 84.15K contracts.
Is PSX open interest rising or falling?
Open interest fell 6.2% over the past four weeks. It was 87.87K contracts on Oct 7, 2026. See the PSX open interest history for a longer view.
What is the PSX put/call open interest ratio?
The Phillips 66 put/call open interest ratio was 0.89 as of Nov 4, 2026. Four weeks earlier it was 0.94.
What is Phillips 66?
Phillips 66 is an independent refiner that owns or holds an interest in 10 refineries with a total crude throughput capacity of 2.0 million barrels per day at the end of 2025.