Cummins Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Cummins Inc. at $523.25: open interest within 90 days was 4,423 call and 4,559 put contracts, a put/call ratio of 1.03; the day's volume was 778 calls and 98 puts (0.13). The most call open interest sits at the $610.00 strike (349 contracts) and the most put open interest at $530.00 (812). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 6.7% of spot. For 16 October 2026, implied volatility was 31.0% at the put 5% below spot and 31.2% at the call 5% above, -0.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $610.00 | 349 |
| Puts | $530.00 | 812 |
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 |
|---|---|---|---|
| 18 December 2026 call at $500.00 | 236 | 11 | $1.2 million |
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 CMI, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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