Contract OI history
Back to COSTOct 30, 2026 EXPIRATION
COST $950.00 Call
COST261030C00950000
Latest saved OI261Oct 23, 2026
Last change-34vs 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 | 261 | -34 |
| Oct 21, 2026 | 295 | -8 |
| Oct 16, 2026 | 303 | -13 |
| Oct 15, 2026 | 316 | -9 |
| Oct 14, 2026 | 325 | 0 |
| Oct 13, 2026 | 325 | +30 |
| Oct 09, 2026 | 295 | No prior observation |