Contract OI history
Back to COSTOct 30, 2026 EXPIRATION
COST $940.00 Call
COST261030C00940000
Latest saved OI172Oct 23, 2026
Last change-33vs 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 | 172 | -33 |
| Oct 21, 2026 | 205 | -9 |
| Oct 16, 2026 | 214 | -19 |
| Oct 15, 2026 | 233 | -6 |
| Oct 14, 2026 | 239 | 0 |
| Oct 13, 2026 | 239 | +7 |
| Oct 09, 2026 | 232 | No prior observation |