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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $400.00 Call

WDC270115C00400000

Latest saved OI4,524Oct 23, 2026
Last change+532vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $400.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,5242,2620 2026-10-09: 1,842 OI2026-10-12: 1,862 OI2026-10-14: 1,896 OI2026-10-15: 1,901 OI2026-10-16: 3,737 OI2026-10-21: 3,992 OI2026-10-23: 4,524 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, 2026Viewing4,524+532
Oct 21, 20263,992+255
Oct 16, 20263,737+1,836
Oct 15, 20261,901+5
Oct 14, 20261,896+34
Oct 12, 20261,862+20
Oct 09, 20261,842No prior observation