Contract OI history
Back to COSTOct 23, 2026 EXPIRATION
COST $1140.00 Call
COST261023C01140000
Latest saved OI151Oct 23, 2026
Last change+30vs 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 | 151 | +30 |
| Oct 21, 2026 | 121 | -1 |
| Oct 16, 2026 | 122 | -26 |
| Oct 15, 2026 | 148 | 0 |
| Oct 14, 2026 | 148 | 0 |
| Oct 13, 2026 | 148 | +18 |
| Oct 09, 2026 | 130 | No prior observation |