Contract OI history
Back to COSTOct 23, 2026 EXPIRATION
COST $1110.00 Call
COST261023C01110000
Latest saved OI189Oct 23, 2026
Last change-2vs 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 | 189 | -2 |
| Oct 21, 2026 | 191 | +3 |
| Oct 16, 2026 | 188 | -23 |
| Oct 15, 2026 | 211 | +2 |
| Oct 14, 2026 | 209 | 0 |
| Oct 13, 2026 | 209 | +53 |
| Oct 09, 2026 | 156 | No prior observation |