ONEOK Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with ONEOK Inc. at $90.39: open interest within 90 days was 24,611 call and 9,079 put contracts, a put/call ratio of 0.37; the day's volume was 1,221 calls and 428 puts (0.35). The most call open interest sits at the $100.00 strike (7,733 contracts) and the most put open interest at $90.00 (2,608). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 5.7% of spot. For 16 October 2026, implied volatility was 29.2% at the put 5% below spot and 27.6% at the call 5% above, +1.6 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $100.00 | 7,733 |
| Puts | $90.00 | 2,608 |
The strike with the most open interest on each side, across expiries within 90 days.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 16 October 2026 call at $95.00 | 4,814 | +444 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for OKE, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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