Contract OI history
Back to COSTDec 18, 2026 EXPIRATION
COST $1060.00 Call
COST261218C01060000
Latest saved OI719Oct 23, 2026
Last change+49vs 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 | 719 | +49 |
| Oct 21, 2026 | 670 | +101 |
| Oct 16, 2026 | 569 | +13 |
| Oct 15, 2026 | 556 | +22 |
| Oct 14, 2026 | 534 | 0 |
| Oct 13, 2026 | 534 | +57 |
| Oct 09, 2026 | 477 | No prior observation |