OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $360.00 Put

WDC270115P00360000

Latest saved OI1,305Oct 23, 2026
Last change+25vs 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. 1,3056520 2026-10-09: 730 OI2026-10-12: 926 OI2026-10-14: 1,251 OI2026-10-15: 1,248 OI2026-10-16: 1,259 OI2026-10-21: 1,280 OI2026-10-23: 1,305 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, 2026Viewing1,305+25
Oct 21, 20261,280+21
Oct 16, 20261,259+11
Oct 15, 20261,248-3
Oct 14, 20261,251+325
Oct 12, 2026926+196
Oct 09, 2026730No prior observation