Chubb Ltd. options tape
Read from CBOE's delayed chain on 23 September 2026, with Chubb Ltd. at $338.65: open interest within 90 days was 10,900 call and 8,270 put contracts, a put/call ratio of 0.76; the day's volume was 595 calls and 235 puts (0.39). The most call open interest sits at the $345.00 strike (2,250 contracts) and the most put open interest at $325.00 (1,790). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 3.9% of spot. For 16 October 2026, implied volatility was 20.5% at the put 5% below spot and 18.2% at the call 5% above, +2.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $345.00 | 2,250 |
| Puts | $325.00 | 1,790 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for CB, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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