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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $350.00 Call

WDC261218C00350000

Latest saved OI1,038Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $350.00 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. 1,0475230 2026-10-09: 440 OI2026-10-12: 440 OI2026-10-14: 430 OI2026-10-15: 431 OI2026-10-16: 545 OI2026-10-21: 1,047 OI2026-10-23: 1,038 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, 2026Viewing1,038-9
Oct 21, 20261,047+502
Oct 16, 2026545+114
Oct 15, 2026431+1
Oct 14, 2026430-10
Oct 12, 20264400
Oct 09, 2026440No prior observation