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Contract OI history

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Apr 16, 2027 EXPIRATION

WDC $540.00 Call

WDC270416C00540000

Latest saved OI128Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $540.00 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. 128640 2026-10-09: 21 OI2026-10-12: 21 OI2026-10-14: 21 OI2026-10-15: 25 OI2026-10-16: 25 OI2026-10-21: 128 OI2026-10-23: 128 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, 2026Viewing1280
Oct 21, 2026128+103
Oct 16, 2026250
Oct 15, 202625+4
Oct 14, 2026210
Oct 12, 2026210
Oct 09, 202621No prior observation