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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $550.00 Call

WDC261218C00550000

Latest saved OI931Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $550.00 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. 1,0895440 2026-10-09: 1,084 OI2026-10-12: 1,089 OI2026-10-14: 904 OI2026-10-15: 896 OI2026-10-16: 899 OI2026-10-21: 901 OI2026-10-23: 931 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, 2026Viewing931+30
Oct 21, 2026901+2
Oct 16, 2026899+3
Oct 15, 2026896-8
Oct 14, 2026904-185
Oct 12, 20261,089+5
Oct 09, 20261,084No prior observation