Boeing Co. options tape
Read from CBOE's delayed chain on 23 September 2026, with Boeing Co. at $198.07: open interest within 90 days was 228,708 call and 177,757 put contracts, a put/call ratio of 0.78; the day's volume was 57,370 calls and 17,667 puts (0.31). The most call open interest sits at the $250.00 strike (19,914 contracts) and the most put open interest at $190.00 (21,724). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.4% of spot. For 16 October 2026, implied volatility was 29.3% at the put 5% below spot and 30.2% at the call 5% above, -0.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $250.00 | 19,914 |
| Puts | $190.00 | 21,724 |
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 |
|---|---|---|---|
| 25 September 2026 call at $200.00 | 8,788 | 2,895 | $1.4 million |
| 25 September 2026 call at $197.50 | 1,814 | 546 | $477,989 |
| 25 September 2026 call at $185.00 | 249 | 40 | $341,130 |
| 25 September 2026 call at $190.00 | 378 | 143 | $302,400 |
| 9 October 2026 call at $195.00 | 340 | 149 | $243,100 |
| 25 September 2026 call at $207.50 | 2,891 | 978 | $72,275 |
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 |
|---|---|---|
| 25 September 2026 call at $205.00 | 5,825 | +3,224 |
| 16 October 2026 call at $210.00 | 5,549 | +783 |
| 25 September 2026 put at $195.00 | 2,560 | +768 |
| 25 September 2026 call at $215.00 | 4,191 | +721 |
| 25 September 2026 call at $200.00 | 2,895 | +578 |
| 2 October 2026 put at $200.00 | 976 | +555 |
| 25 September 2026 call at $220.00 | 2,337 | +486 |
| 16 October 2026 call at $220.00 | 4,181 | +463 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for BA, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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