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Contract OI history

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Jun 17, 2027 EXPIRATION

WDC $280.00 Put

WDC270617P00280000

Latest saved OI1,151Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $280.00 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. 1,1515750 2026-10-09: 897 OI2026-10-12: 904 OI2026-10-14: 906 OI2026-10-15: 909 OI2026-10-16: 910 OI2026-10-21: 1,148 OI2026-10-23: 1,151 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, 2026Viewing1,151+3
Oct 21, 20261,148+238
Oct 16, 2026910+1
Oct 15, 2026909+3
Oct 14, 2026906+2
Oct 12, 2026904+7
Oct 09, 2026897No prior observation