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Contract OI history

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Oct 30, 2026 EXPIRATION

WDC $390.00 Call

WDC261030C00390000

Latest saved OI813Oct 23, 2026
Last change+133vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $390.00 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. 8134060 2026-10-09: 74 OI2026-10-12: 98 OI2026-10-14: 110 OI2026-10-15: 109 OI2026-10-16: 136 OI2026-10-21: 680 OI2026-10-23: 813 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, 2026Viewing813+133
Oct 21, 2026680+544
Oct 16, 2026136+27
Oct 15, 2026109-1
Oct 14, 2026110+12
Oct 12, 202698+24
Oct 09, 202674No prior observation