Marsh & Mclennan Companies, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Marsh & Mclennan Companies, Inc. at $169.18: open interest within 90 days was 4,211 call and 4,491 put contracts, a put/call ratio of 1.07; the day's volume was 13 calls and 72 puts (5.54). The most call open interest sits at the $195.00 strike (1,526 contracts) and the most put open interest at $155.00 (1,380). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 5.6% of spot. For 16 October 2026, implied volatility was 30.1% at the put 5% below spot and 27.6% at the call 5% above, +2.5 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $195.00 | 1,526 |
| Puts | $155.00 | 1,380 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for MRSH, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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