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Contract OI history

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Apr 16, 2027 EXPIRATION

WDC $470.00 Put

WDC270416P00470000

Latest saved OI349Oct 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 $470.00 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. 3491740 2026-10-09: 339 OI2026-10-12: 339 OI2026-10-14: 339 OI2026-10-15: 339 OI2026-10-16: 339 OI2026-10-21: 339 OI2026-10-23: 349 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, 2026Viewing349+10
Oct 21, 20263390
Oct 16, 20263390
Oct 15, 20263390
Oct 14, 20263390
Oct 12, 20263390
Oct 09, 2026339No prior observation