OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

WDC $360.00 Put

WDC270617P00360000

Latest saved OI286Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $360.00 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. 2921460 2026-10-09: 275 OI2026-10-12: 275 OI2026-10-14: 280 OI2026-10-15: 292 OI2026-10-16: 288 OI2026-10-21: 288 OI2026-10-23: 286 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, 2026Viewing286-2
Oct 21, 20262880
Oct 16, 2026288-4
Oct 15, 2026292+12
Oct 14, 2026280+5
Oct 12, 20262750
Oct 09, 2026275No prior observation