Contract OI history
Back to WDAYJan 21, 2028 EXPIRATION
WDAY $230.00 Call
WDAY280121C00230000
Latest saved OI302Oct 23, 2026
Last change-5vs 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 | 302 | -5 |
| Oct 21, 2026 | 307 | 0 |
| Oct 16, 2026 | 307 | +4 |
| Oct 15, 2026 | 303 | +7 |
| Oct 14, 2026 | 296 | 0 |
| Oct 12, 2026 | 296 | 0 |
| Oct 09, 2026 | 296 | No prior observation |