Halliburton Co. options tape
Read from CBOE's delayed chain on 23 September 2026, with Halliburton Co. at $32.93: open interest within 90 days was 107,643 call and 38,693 put contracts, a put/call ratio of 0.36; the day's volume was 9,325 calls and 2,404 puts (0.26). The most call open interest sits at the $40.00 strike (37,305 contracts) and the most put open interest at $33.00 (7,596). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 3.1% of spot. For 16 October 2026, implied volatility was 37.3% at the put 5% below spot and 37.4% at the call 5% above, -0.1 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $40.00 | 37,305 |
| Puts | $33.00 | 7,596 |
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 |
|---|---|---|---|
| 20 November 2026 put at $29.00 | 1,096 | 140 | $68,500 |
| 20 November 2026 call at $33.00 | 213 | 67 | $44,091 |
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.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 16 October 2026 call at $40.00 | 26,035 | +3,842 |
| 16 October 2026 call at $35.00 | 2,405 | +587 |
| 25 September 2026 call at $34.50 | 608 | +552 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for HAL, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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