OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $330.00 Put

WDC270115P00330000

Latest saved OI1,489Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $330.00 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. 1,4997490 2026-10-09: 1,397 OI2026-10-12: 1,374 OI2026-10-14: 1,411 OI2026-10-15: 1,420 OI2026-10-16: 1,443 OI2026-10-21: 1,499 OI2026-10-23: 1,489 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, 2026Viewing1,489-10
Oct 21, 20261,499+56
Oct 16, 20261,443+23
Oct 15, 20261,420+9
Oct 14, 20261,411+37
Oct 12, 20261,374-23
Oct 09, 20261,397No prior observation