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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $370.00 Call

WDC261218C00370000

Latest saved OI519Oct 23, 2026
Last change+19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $370.00 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. 5192590 2026-10-09: 112 OI2026-10-12: 111 OI2026-10-14: 440 OI2026-10-15: 497 OI2026-10-16: 495 OI2026-10-21: 500 OI2026-10-23: 519 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, 2026Viewing519+19
Oct 21, 2026500+5
Oct 16, 2026495-2
Oct 15, 2026497+57
Oct 14, 2026440+329
Oct 12, 2026111-1
Oct 09, 2026112No prior observation