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Contract OI history

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Apr 16, 2027 EXPIRATION

WDC $340.00 Call

WDC270416C00340000

Latest saved OI5,022Oct 23, 2026
Last change+3,001vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $340.00 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. 5,0222,5110 2026-10-09: 4 OI2026-10-12: 4 OI2026-10-14: 252 OI2026-10-15: 252 OI2026-10-16: 271 OI2026-10-21: 2,021 OI2026-10-23: 5,022 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, 2026Viewing5,022+3,001
Oct 21, 20262,021+1,750
Oct 16, 2026271+19
Oct 15, 20262520
Oct 14, 2026252+248
Oct 12, 202640
Oct 09, 20264No prior observation