Contract OI history
Back to COSTOct 23, 2026 EXPIRATION
COST $1030.00 Call
COST261023C01030000
Latest saved OI1,863Oct 23, 2026
Last change-333vs 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 | 1,863 | -333 |
| Oct 21, 2026 | 2,196 | +2,006 |
| Oct 16, 2026 | 190 | +40 |
| Oct 15, 2026 | 150 | +21 |
| Oct 14, 2026 | 129 | 0 |
| Oct 13, 2026 | 129 | +36 |
| Oct 09, 2026 | 93 | No prior observation |