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Contract OI history

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Jun 16, 2028 EXPIRATION

WDC $340.00 Call

WDC280616C00340000

Latest saved OI37Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $340.00 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. 37180 2026-10-09: 35 OI2026-10-12: 35 OI2026-10-14: 37 OI2026-10-15: 37 OI2026-10-16: 37 OI2026-10-21: 36 OI2026-10-23: 37 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, 2026Viewing37+1
Oct 21, 202636-1
Oct 16, 2026370
Oct 15, 2026370
Oct 14, 202637+2
Oct 12, 2026350
Oct 09, 202635No prior observation