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Contract OI history

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Jun 17, 2027 EXPIRATION

ET $21.00 Call

ET270617C00021000

Latest saved OI633Oct 08, 2026
Last change+18vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $21.00 call open interest history 5 saved observations from 2026-10-02 to 2026-10-08. Exact values and changes are listed in the table below. 6333160 2026-10-02: 539 OI2026-10-05: 540 OI2026-10-06: 540 OI2026-10-07: 615 OI2026-10-08: 633 OI Oct 02, 2026Oct 08, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 08, 2026Viewing633+18
Oct 07, 2026615+75
Oct 06, 20265400
Oct 05, 2026540+1
Oct 02, 2026539No prior observation