DIA Open Interest
State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) had 606.39K open option contracts as of Nov 9, 2026: 247.82K calls and 358.57K puts. Open interest rose 6.3% over the past four weeks. The put/call open interest ratio is 1.45, which signals bearish sentiment.
Open Interest by Strike
Showing results for DIA, 2026-11-13(w), calls & puts
Open Interest Stats
Showing results for DIA, 2026-11-13(w), calls & puts
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Highest Open Interest Options
Showing results for DIA, 2026-11-13(w), calls & puts
Open Interest Total by Expiry
Showing results for DIA, 2026-11-13(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for DIA, all expirations, calls & puts. View full history
DIA 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 DIA have?
DIA had 606.39K open option contracts as of Nov 9, 2026. Over the past 30 days, open interest averaged 588.21K contracts.
Is DIA open interest rising or falling?
Open interest rose 6.3% over the past four weeks. It was 570.6K contracts on Oct 12, 2026. See the DIA open interest history for a longer view.
What is the DIA put/call open interest ratio?
The DIA put/call open interest ratio was 1.45 as of Nov 9, 2026. Four weeks earlier it was 1.21.