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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $650.00 Call

WDC261218C00650000

Latest saved OI221Oct 23, 2026
Last change+61vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $650.00 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. 2211100 2026-10-09: 150 OI2026-10-12: 149 OI2026-10-14: 148 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 160 OI2026-10-23: 221 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, 2026Viewing221+61
Oct 21, 2026160+12
Oct 16, 20261480
Oct 15, 20261480
Oct 14, 2026148-1
Oct 12, 2026149-1
Oct 09, 2026150No prior observation