ACM Open Interest
Aecom (ACM) had 9.98K open option contracts as of Nov 4, 2026: 5.19K calls and 4.79K puts. Open interest fell 19.8% over the past four weeks. The put/call open interest ratio is 0.92, so calls outnumber puts.
Open Interest by Strike
Showing results for ACM, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ACM, 2026-11-20(m), 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 ACM, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ACM, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ACM, all expirations, calls & puts. View full history
ACM 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 ACM have?
Aecom had 9.98K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 11.08K contracts.
Is ACM open interest rising or falling?
Open interest fell 19.8% over the past four weeks. It was 12.45K contracts on Oct 7, 2026. See the ACM open interest history for a longer view.
What is the ACM put/call open interest ratio?
The Aecom put/call open interest ratio was 0.92 as of Nov 4, 2026. Four weeks earlier it was 0.95.
What is Aecom?
Aecom is one of the largest global providers of advisory, design, and engineering services.