ACIW Open Interest
ACI Worldwide Inc (ACIW) had 835 open option contracts as of Nov 4, 2026: 617 calls and 218 puts. Open interest rose 38.2% over the past four weeks. The put/call open interest ratio is 0.35, so calls outnumber puts.
Open Interest by Strike
Showing results for ACIW, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ACIW, 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 ACIW, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ACIW, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ACIW, all expirations, calls & puts. View full history
ACIW 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 ACIW have?
ACI Worldwide had 835 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 776 contracts.
Is ACIW open interest rising or falling?
Open interest rose 38.2% over the past four weeks. It was 604 contracts on Oct 7, 2026. See the ACIW open interest history for a longer view.
What is the ACIW put/call open interest ratio?
The ACI Worldwide put/call open interest ratio was 0.35 as of Nov 4, 2026. Four weeks earlier it was 0.51.
What is ACI Worldwide Inc?
ACI Worldwide Inc develops, markets, and installs a portfolio of software products focused on facilitating electronic payments.