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Contract OI history

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Mar 19, 2027 EXPIRATION

WDC $500.00 Call

WDC270319C00500000

Latest saved OI555Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $500.00 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. 5592790 2026-10-09: 403 OI2026-10-12: 407 OI2026-10-14: 444 OI2026-10-15: 445 OI2026-10-16: 503 OI2026-10-21: 559 OI2026-10-23: 555 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, 2026Viewing555-4
Oct 21, 2026559+56
Oct 16, 2026503+58
Oct 15, 2026445+1
Oct 14, 2026444+37
Oct 12, 2026407+4
Oct 09, 2026403No prior observation