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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $280.00 Put

WDC270115P00280000

Latest saved OI1,239Oct 23, 2026
Last change+54vs 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. 1,2396190 2026-10-09: 1,100 OI2026-10-12: 1,146 OI2026-10-14: 1,147 OI2026-10-15: 1,160 OI2026-10-16: 1,154 OI2026-10-21: 1,185 OI2026-10-23: 1,239 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, 2026Viewing1,239+54
Oct 21, 20261,185+31
Oct 16, 20261,154-6
Oct 15, 20261,160+13
Oct 14, 20261,147+1
Oct 12, 20261,146+46
Oct 09, 20261,100No prior observation