Contract OI history
Back to COSTOct 23, 2026 EXPIRATION
COST $985.00 Call
COST261023C00985000
Latest saved OI330Oct 23, 2026
Last change-24vs 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 | 330 | -24 |
| Oct 21, 2026 | 354 | +33 |
| Oct 16, 2026 | 321 | +159 |
| Oct 15, 2026 | 162 | -2 |
| Oct 14, 2026 | 164 | 0 |
| Oct 13, 2026 | 164 | +119 |
| Oct 09, 2026 | 45 | No prior observation |