Contract OI history
Back to COSTOct 30, 2026 EXPIRATION
COST $965.00 Call
COST261030C00965000
Latest saved OI103Oct 23, 2026
Last change+9vs 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 | 103 | +9 |
| Oct 21, 2026 | 94 | -10 |
| Oct 16, 2026 | 104 | +2 |
| Oct 15, 2026 | 102 | -16 |
| Oct 14, 2026 | 118 | 0 |
| Oct 13, 2026 | 118 | +36 |
| Oct 09, 2026 | 82 | No prior observation |