Chain
CSTM options
Options Chain
Active CSTM contracts expiring in the next 7–45 days, strikes within ±25% of the current price.
| Expiration | Days to expiry | Contracts |
|---|---|---|
| 2026-08-21 | 22 | 28 |
| Type | Strike | Expiry | Open interest | Close |
|---|---|---|---|---|
| Call | $22.00 | 2026-08-21 | 6 | $4.87 |
| Call | $23.00 | 2026-08-21 | 17 | $9.80 |
| Call | $24.00 | 2026-08-21 | 25 | $5.95 |
| Call | $25.00 | 2026-08-21 | 553 | $3.84 |
| Call | $26.00 | 2026-08-21 | 20 | $2.70 |
| Call | $27.00 | 2026-08-21 | 55 | $2.00 |
| Call | $28.00 | 2026-08-21 | 129 | $1.50 |
| Call | $29.00 | 2026-08-21 | 175 | $1.10 |
| Call | $30.00 | 2026-08-21 | 554 | $0.80 |
| Call | $31.00 | 2026-08-21 | 256 | $0.51 |
| Call | $32.00 | 2026-08-21 | 492 | $0.43 |
| Call | $33.00 | 2026-08-21 | 475 | $0.30 |
| Call | $34.00 | 2026-08-21 | 419 | $0.16 |
| Call | $35.00 | 2026-08-21 | 1,008 | $0.12 |
| Put | $22.00 | 2026-08-21 | 40 | $0.25 |
| Put | $23.00 | 2026-08-21 | 128 | $0.35 |
| Put | $24.00 | 2026-08-21 | 22 | $0.46 |
| Put | $25.00 | 2026-08-21 | 60 | $0.44 |
| Put | $26.00 | 2026-08-21 | 530 | $0.83 |
| Put | $27.00 | 2026-08-21 | 419 | $1.10 |
| Put | $28.00 | 2026-08-21 | 101 | $1.55 |
| Put | $29.00 | 2026-08-21 | 547 | $1.57 |
| Put | $30.00 | 2026-08-21 | 509 | $3.00 |
| Put | $31.00 | 2026-08-21 | 196 | $3.79 |
| Put | $32.00 | 2026-08-21 | 112 | $4.85 |
| Put | $33.00 | 2026-08-21 | 621 | $4.70 |
| Put | $34.00 | 2026-08-21 | 4 | $6.31 |
| Put | $35.00 | 2026-08-21 | 4 | $4.20 |