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Contract OI history

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Oct 23, 2026 EXPIRATION

ET $21.00 Call

ET261023C00021000

Latest saved OI2,368Oct 08, 2026
Last change-14vs 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. 2,3821,1910 2026-10-02: 2,047 OI2026-10-05: 2,078 OI2026-10-06: 2,334 OI2026-10-07: 2,382 OI2026-10-08: 2,368 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, 2026Viewing2,368-14
Oct 07, 20262,382+48
Oct 06, 20262,334+256
Oct 05, 20262,078+31
Oct 02, 20262,047No prior observation