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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $330.00 Put

WDC261023P00330000

Latest saved OI630Oct 23, 2026
Last change+213vs 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. 6303150 2026-10-09: 200 OI2026-10-12: 201 OI2026-10-14: 268 OI2026-10-15: 328 OI2026-10-16: 327 OI2026-10-21: 417 OI2026-10-23: 630 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, 2026Viewing630+213
Oct 21, 2026417+90
Oct 16, 2026327-1
Oct 15, 2026328+60
Oct 14, 2026268+67
Oct 12, 2026201+1
Oct 09, 2026200No prior observation