Contract OI history
Back to COSTDec 18, 2026 EXPIRATION
COST $1100.00 Call
COST261218C01100000
Latest saved OI960Oct 23, 2026
Last change+18vs 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 | 960 | +18 |
| Oct 21, 2026 | 942 | +60 |
| Oct 16, 2026 | 882 | +43 |
| Oct 15, 2026 | 839 | +152 |
| Oct 14, 2026 | 687 | 0 |
| Oct 13, 2026 | 687 | +6 |
| Oct 09, 2026 | 681 | No prior observation |