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Contract OI history

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Oct 09, 2026 EXPIRATION

ET $21.00 Call

ET261009C00021000

Latest saved OI1,756Oct 08, 2026
Last change-40vs 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. 1,7968980 2026-10-02: 435 OI2026-10-05: 854 OI2026-10-06: 1,201 OI2026-10-07: 1,796 OI2026-10-08: 1,756 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, 2026Viewing1,756-40
Oct 07, 20261,796+595
Oct 06, 20261,201+347
Oct 05, 2026854+419
Oct 02, 2026435No prior observation