IRM Open Interest
Iron Mountain Inc (IRM) had 38.42K open option contracts as of Nov 4, 2026: 13.7K calls and 24.73K puts. Open interest fell 11.8% over the past four weeks. The put/call open interest ratio is 1.81, so puts outnumber calls.
Open Interest by Strike
Showing results for IRM, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for IRM, 2026-11-06(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 IRM, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for IRM, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for IRM, all expirations, calls & puts. View full history
IRM 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 IRM have?
Iron Mountain had 38.42K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 40.27K contracts.
Is IRM open interest rising or falling?
Open interest fell 11.8% over the past four weeks. It was 43.56K contracts on Oct 7, 2026. See the IRM open interest history for a longer view.
What is the IRM put/call open interest ratio?
The Iron Mountain put/call open interest ratio was 1.81 as of Nov 4, 2026. Four weeks earlier it was 1.20.
What is Iron Mountain Inc?
Iron Mountain Inc is an information management services provider organized and operated as a real estate investment trust.