General Motors Co. options tape
Read from CBOE's delayed chain on 23 September 2026, with General Motors Co. at $83.55: open interest within 90 days was 60,044 call and 53,591 put contracts, a put/call ratio of 0.89; the day's volume was 4,027 calls and 2,373 puts (0.59). The most call open interest sits at the $90.00 strike (8,045 contracts) and the most put open interest at $80.00 (6,349). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.7% of spot. For 16 October 2026, implied volatility was 32.4% at the put 5% below spot and 32.0% at the call 5% above, +0.4 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $90.00 | 8,045 |
| Puts | $80.00 | 6,349 |
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 |
|---|---|---|
| 25 September 2026 call at $85.00 | 1,494 | +1,269 |
| 25 September 2026 call at $84.00 | 757 | +659 |
| 25 September 2026 put at $84.00 | 664 | +503 |
| 25 September 2026 put at $83.00 | 2,635 | +477 |
| 18 December 2026 call at $97.50 | 557 | +396 |
| 25 September 2026 call at $86.00 | 830 | +314 |
| 16 October 2026 put at $84.00 | 285 | +285 |
| 20 November 2026 put at $75.00 | 271 | +253 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for GM, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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