SPY Open Interest
SPDR S&P 500 ETF Trust (SPY) had 17.9M open option contracts as of Nov 6, 2026: 6.22M calls and 11.68M puts. Open interest fell 6.0% over the past four weeks. The put/call open interest ratio is 1.88, so puts outnumber calls.
Open Interest by Strike
Showing results for SPY, 2026-11-09(w), calls & puts
Open Interest Stats
Showing results for SPY, 2026-11-09(w), calls & puts
| Call Open Interest Total | |
|---|---|
| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for SPY, 2026-11-09(w), calls & puts
Open Interest Total by Expiry
Showing results for SPY, 2026-11-09(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for SPY, all expirations, calls & puts. View full history
SPY 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 SPY have?
SPY had 17.9M open option contracts as of Nov 6, 2026. Over the past 30 days, open interest averaged 18.12M contracts.
Is SPY open interest rising or falling?
Open interest fell 6.0% over the past four weeks. It was 19.05M contracts on Oct 9, 2026. See the SPY open interest history for a longer view.
What is the SPY put/call open interest ratio?
The SPY put/call open interest ratio was 1.88 as of Nov 6, 2026. Four weeks earlier it was 2.22.