OITracker Cboe delayed data

Contract OI history

Back to WDC

Jun 17, 2027 EXPIRATION

WDC $300.00 Put

WDC270617P00300000

Latest saved OI664Oct 23, 2026
Last change+103vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $300.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6643320 2026-10-09: 505 OI2026-10-12: 510 OI2026-10-14: 538 OI2026-10-15: 538 OI2026-10-16: 538 OI2026-10-21: 561 OI2026-10-23: 664 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing664+103
Oct 21, 2026561+23
Oct 16, 20265380
Oct 15, 20265380
Oct 14, 2026538+28
Oct 12, 2026510+5
Oct 09, 2026505No prior observation