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Contract OI history

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Jan 21, 2028 EXPIRATION

ET $20.00 Put

ET280121P00020000

Latest saved OI2,695Oct 08, 2026
Last change+201vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $20.00 put open interest history 5 saved observations from 2026-10-02 to 2026-10-08. Exact values and changes are listed in the table below. 2,6951,3470 2026-10-02: 2,494 OI2026-10-05: 2,494 OI2026-10-06: 2,494 OI2026-10-07: 2,494 OI2026-10-08: 2,695 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, 2026Viewing2,695+201
Oct 07, 20262,4940
Oct 06, 20262,4940
Oct 05, 20262,4940
Oct 02, 20262,494No prior observation