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Contract OI history

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Dec 18, 2026 EXPIRATION

ET $20.00 Put

ET261218P00020000

Latest saved OI1,215Oct 08, 2026
Last change+61vs 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. 1,2156070 2026-10-02: 1,171 OI2026-10-05: 1,157 OI2026-10-06: 1,203 OI2026-10-07: 1,154 OI2026-10-08: 1,215 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, 2026Viewing1,215+61
Oct 07, 20261,154-49
Oct 06, 20261,203+46
Oct 05, 20261,157-14
Oct 02, 20261,171No prior observation