Contract OI history
Back to COSTDec 18, 2026 EXPIRATION
COST $1160.00 Call
COST261218C01160000
Latest saved OI166Oct 23, 2026
Last change+15vs 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 | 166 | +15 |
| Oct 21, 2026 | 151 | +2 |
| Oct 16, 2026 | 149 | +1 |
| Oct 15, 2026 | 148 | +4 |
| Oct 14, 2026 | 144 | 0 |
| Oct 13, 2026 | 144 | +5 |
| Oct 09, 2026 | 139 | No prior observation |