Contract OI history
Back to COSTOct 30, 2026 EXPIRATION
COST $975.00 Call
COST261030C00975000
Latest saved OI359Oct 23, 2026
Last change-12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 359 | -12 |
| Oct 21, 2026 | 371 | -48 |
| Oct 16, 2026 | 419 | -8 |
| Oct 15, 2026 | 427 | +4 |
| Oct 14, 2026 | 423 | 0 |
| Oct 13, 2026 | 423 | +7 |
| Oct 09, 2026 | 416 | No prior observation |