Contract OI history
Back to COSTNov 20, 2026 EXPIRATION
COST $915.00 Call
COST261120C00915000
Latest saved OI131Oct 23, 2026
Last change-6vs 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 | 131 | -6 |
| Oct 21, 2026 | 137 | -7 |
| Oct 16, 2026 | 144 | -1 |
| Oct 15, 2026 | 145 | +1 |
| Oct 14, 2026 | 144 | 0 |
| Oct 13, 2026 | 144 | -2 |
| Oct 09, 2026 | 146 | No prior observation |