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Contract OI history

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Oct 16, 2026 EXPIRATION

ET $20.50 Call

ET261016C00020500

Latest saved OI17,327Oct 08, 2026
Last change+13,269vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $20.50 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. 17,3278,6630 2026-10-02: 4,260 OI2026-10-05: 4,165 OI2026-10-06: 4,108 OI2026-10-07: 4,058 OI2026-10-08: 17,327 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, 2026Viewing17,327+13,269
Oct 07, 20264,058-50
Oct 06, 20264,108-57
Oct 05, 20264,165-95
Oct 02, 20264,260No prior observation