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Contract OI history

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Apr 16, 2027 EXPIRATION

WDC $230.00 Put

WDC270416P00230000

Latest saved OI356Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $230.00 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. 3561780 2026-10-09: 356 OI2026-10-12: 356 OI2026-10-14: 355 OI2026-10-15: 355 OI2026-10-16: 356 OI2026-10-21: 356 OI2026-10-23: 356 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, 2026Viewing3560
Oct 21, 20263560
Oct 16, 2026356+1
Oct 15, 20263550
Oct 14, 2026355-1
Oct 12, 20263560
Oct 09, 2026356No prior observation