Contract OI history
Back to COSTOct 30, 2026 EXPIRATION
COST $970.00 Call
COST261030C00970000
Latest saved OI276Oct 23, 2026
Last change-1vs 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 | 276 | -1 |
| Oct 21, 2026 | 277 | -58 |
| Oct 16, 2026 | 335 | -108 |
| Oct 15, 2026 | 443 | -10 |
| Oct 14, 2026 | 453 | 0 |
| Oct 13, 2026 | 453 | +2 |
| Oct 09, 2026 | 451 | No prior observation |