Iron Mountain Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Iron Mountain Inc. at $116.89: open interest within 90 days was 9,063 call and 4,252 put contracts, a put/call ratio of 0.47; the day's volume was 514 calls and 94 puts (0.18). The most call open interest sits at the $120.00 strike (3,155 contracts) and the most put open interest at $110.00 (1,152). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.7% of spot. For 16 October 2026, implied volatility was 31.9% at the put 5% below spot and 29.6% at the call 5% above, +2.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $120.00 | 3,155 |
| Puts | $110.00 | 1,152 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for IRM, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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