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Contract OI history

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Oct 16, 2026 EXPIRATION

ET $21.00 Call

ET261016C00021000

Latest saved OI35,575Oct 08, 2026
Last change-123vs 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. 35,70017,8500 2026-10-02: 35,511 OI2026-10-05: 35,503 OI2026-10-06: 35,700 OI2026-10-07: 35,698 OI2026-10-08: 35,575 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, 2026Viewing35,575-123
Oct 07, 202635,698-2
Oct 06, 202635,700+197
Oct 05, 202635,503-8
Oct 02, 202635,511No prior observation