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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $540.00 Call

WDC270115C00540000

Latest saved OI701Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $540.00 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. 7013500 2026-10-09: 691 OI2026-10-12: 680 OI2026-10-14: 685 OI2026-10-15: 688 OI2026-10-16: 698 OI2026-10-21: 700 OI2026-10-23: 701 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, 2026Viewing701+1
Oct 21, 2026700+2
Oct 16, 2026698+10
Oct 15, 2026688+3
Oct 14, 2026685+5
Oct 12, 2026680-11
Oct 09, 2026691No prior observation