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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $240.00 Put

WDC270115P00240000

Latest saved OI498Oct 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 $240.00 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. 4982490 2026-10-09: 495 OI2026-10-12: 496 OI2026-10-14: 498 OI2026-10-15: 497 OI2026-10-16: 497 OI2026-10-21: 498 OI2026-10-23: 498 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, 2026Viewing4980
Oct 21, 2026498+1
Oct 16, 20264970
Oct 15, 2026497-1
Oct 14, 2026498+2
Oct 12, 2026496+1
Oct 09, 2026495No prior observation