Illinois Tool Works Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Illinois Tool Works Inc. at $268.01: open interest within 90 days was 5,700 call and 999 put contracts, a put/call ratio of 0.18; the day's volume was 340 calls and 24 puts (0.07). The most call open interest sits at the $280.00 strike (2,436 contracts) and the most put open interest at $270.00 (231). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 4.1% of spot. For 16 October 2026, implied volatility was 22.6% at the put 5% below spot and 21.0% at the call 5% above, +1.6 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $280.00 | 2,436 |
| Puts | $270.00 | 231 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for ITW, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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