Contract OI history
Back to COSTDec 18, 2026 EXPIRATION
COST $990.00 Call
COST261218C00990000
Latest saved OI147Oct 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 | 147 | +15 |
| Oct 21, 2026 | 132 | 0 |
| Oct 16, 2026 | 132 | +60 |
| Oct 15, 2026 | 72 | +6 |
| Oct 14, 2026 | 66 | 0 |
| Oct 13, 2026 | 66 | +20 |
| Oct 09, 2026 | 46 | No prior observation |