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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $340.00 Call

WDC261023C00340000

Latest saved OI320Oct 23, 2026
Last change+67vs 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. 3201600 2026-10-09: 29 OI2026-10-12: 29 OI2026-10-14: 29 OI2026-10-15: 29 OI2026-10-16: 90 OI2026-10-21: 253 OI2026-10-23: 320 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, 2026Viewing320+67
Oct 21, 2026253+163
Oct 16, 202690+61
Oct 15, 2026290
Oct 14, 2026290
Oct 12, 2026290
Oct 09, 202629No prior observation