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Contract OI history

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Jan 19, 2029 EXPIRATION

ET $20.00 Put

ET290119P00020000

Latest saved OI275Oct 08, 2026
Last change+10vs 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. 2751370 2026-10-02: 265 OI2026-10-05: 265 OI2026-10-06: 265 OI2026-10-07: 265 OI2026-10-08: 275 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, 2026Viewing275+10
Oct 07, 20262650
Oct 06, 20262650
Oct 05, 20262650
Oct 02, 2026265No prior observation