PNW Open Interest
Pinnacle West Capital Corporation (PNW) had 8.65K open option contracts as of Nov 4, 2026: 4.98K calls and 3.66K puts. Open interest rose 81.0% over the past four weeks, and is PNW's highest level in 12 weeks. The put/call open interest ratio is 0.73, so calls outnumber puts.
Open Interest by Strike
Showing results for PNW, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for PNW, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
| Open Interest Total | |
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Highest Open Interest Options
Showing results for PNW, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for PNW, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for PNW, all expirations, calls & puts. View full history
PNW 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 PNW have?
Pinnacle West Capital had 8.65K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 4.89K contracts.
Is PNW open interest rising or falling?
Open interest rose 81.0% over the past four weeks, and is PNW's highest level in 12 weeks. It was 4.78K contracts on Oct 7, 2026. See the PNW open interest history for a longer view.
What is the PNW put/call open interest ratio?
The Pinnacle West Capital put/call open interest ratio was 0.73 as of Nov 4, 2026. Four weeks earlier it was 0.20.
What is Pinnacle West Capital Corporation?
Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility serving approximately 1.5 million customers across a 35,000-square-mile territory in central Arizona, including the Phoenix area.