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Contract OI history

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Oct 30, 2026 EXPIRATION

WDC $620.00 Call

WDC261030C00620000

Latest saved OI78Oct 23, 2026
Last change+45vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $620.00 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. 78390 2026-10-09: 19 OI2026-10-12: 19 OI2026-10-14: 31 OI2026-10-15: 31 OI2026-10-16: 31 OI2026-10-21: 33 OI2026-10-23: 78 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, 2026Viewing78+45
Oct 21, 202633+2
Oct 16, 2026310
Oct 15, 2026310
Oct 14, 202631+12
Oct 12, 2026190
Oct 09, 202619No prior observation