BP plc options tape
Read from CBOE's delayed chain on 26 September 2026, with BP plc at $44.15: open interest within 90 days was 134,367 call and 75,571 put contracts, a put/call ratio of 0.56; the day's volume was 10,541 calls and 1,541 puts (0.15). The most call open interest sits at the $45.00 strike (31,900 contracts) and the most put open interest at $44.00 (13,919). The at-the-money straddle for 2 October 2026, 6 days out, was priced at 3.6% of spot. For 16 October 2026, implied volatility was 31.4% at the put 5% below spot and 31.1% at the call 5% above, +0.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $45.00 | 31,900 |
| Puts | $44.00 | 13,919 |
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 |
|---|---|---|---|
| 23 October 2026 call at $43.00 | 251 | 20 | $57,479 |
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 builds against the previous day appear from the second daily read of this name.
Source
CBOE delayed quotes for BP, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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