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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $510.00 Call

WDC261218C00510000

Latest saved OI211Oct 23, 2026
Last change+28vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $510.00 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. 2111050 2026-10-09: 171 OI2026-10-12: 171 OI2026-10-14: 175 OI2026-10-15: 179 OI2026-10-16: 164 OI2026-10-21: 183 OI2026-10-23: 211 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, 2026Viewing211+28
Oct 21, 2026183+19
Oct 16, 2026164-15
Oct 15, 2026179+4
Oct 14, 2026175+4
Oct 12, 20261710
Oct 09, 2026171No prior observation