Contract OI history
Back to COSTJan 15, 2027 EXPIRATION
COST $955.00 Call
COST270115C00955000
Latest saved OI170Oct 23, 2026
Last change-1vs 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 | 170 | -1 |
| Oct 21, 2026 | 171 | +1 |
| Oct 16, 2026 | 170 | -9 |
| Oct 15, 2026 | 179 | -6 |
| Oct 14, 2026 | 185 | 0 |
| Oct 13, 2026 | 185 | +1 |
| Oct 09, 2026 | 184 | No prior observation |