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Contract OI history

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Mar 19, 2027 EXPIRATION

WDC $520.00 Call

WDC270319C00520000

Latest saved OI461Oct 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 $520.00 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. 4612300 2026-10-09: 413 OI2026-10-12: 416 OI2026-10-14: 436 OI2026-10-15: 436 OI2026-10-16: 455 OI2026-10-21: 461 OI2026-10-23: 461 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, 2026Viewing4610
Oct 21, 2026461+6
Oct 16, 2026455+19
Oct 15, 20264360
Oct 14, 2026436+20
Oct 12, 2026416+3
Oct 09, 2026413No prior observation