Marriott International Inc. /Md/ options tape
Read from CBOE's delayed chain on 23 September 2026, with Marriott International Inc. /Md/ at $342.65: open interest within 90 days was 8,860 call and 6,792 put contracts, a put/call ratio of 0.77; the day's volume was 1,801 calls and 634 puts (0.35). The most call open interest sits at the $400.00 strike (815 contracts) and the most put open interest at $330.00 (852). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.3% of spot. For 16 October 2026, implied volatility was 26.7% at the put 5% below spot and 24.3% at the call 5% above, +2.4 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $400.00 | 815 |
| Puts | $330.00 | 852 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 25 September 2026 call at $337.50 | 304 | 1 | $243,200 |
| 25 September 2026 call at $340.00 | 290 | 13 | $163,850 |
| 16 October 2026 call at $370.00 | 752 | 288 | $75,200 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Source
CBOE delayed quotes for MAR, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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