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Contract OI history

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Mar 19, 2027 EXPIRATION

ET $20.00 Put

ET270319P00020000

Latest saved OI1,537Oct 08, 2026
Last change+5vs 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. 1,5377680 2026-10-02: 1,484 OI2026-10-05: 1,522 OI2026-10-06: 1,522 OI2026-10-07: 1,532 OI2026-10-08: 1,537 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, 2026Viewing1,537+5
Oct 07, 20261,532+10
Oct 06, 20261,5220
Oct 05, 20261,522+38
Oct 02, 20261,484No prior observation