Contract OI history
Back to COSTOct 23, 2026 EXPIRATION
COST $1065.00 Call
COST261023C01065000
Latest saved OI96Oct 23, 2026
Last change-3vs 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 | 96 | -3 |
| Oct 21, 2026 | 99 | +41 |
| Oct 16, 2026 | 58 | -1 |
| Oct 15, 2026 | 59 | +9 |
| Oct 14, 2026 | 50 | 0 |
| Oct 13, 2026 | 50 | +4 |
| Oct 09, 2026 | 46 | No prior observation |