Contract OI history
Back to WDCOct 23, 2026 EXPIRATION
WDC $520.00 Call
WDC261023C00520000
Latest saved OI523Oct 23, 2026
Last change+170vs 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 | 523 | +170 |
| Oct 21, 2026 | 353 | +233 |
| Oct 16, 2026 | 120 | +21 |
| Oct 15, 2026 | 99 | +49 |
| Oct 14, 2026 | 50 | +3 |
| Oct 12, 2026 | 47 | +4 |
| Oct 09, 2026 | 43 | No prior observation |