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Contract OI history

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Dec 18, 2026 EXPIRATION

ET $19.00 Put

ET261218P00019000

Latest saved OI3,638Oct 08, 2026
Last change+45vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $19.00 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. 3,6381,8190 2026-10-02: 3,594 OI2026-10-05: 3,598 OI2026-10-06: 3,598 OI2026-10-07: 3,593 OI2026-10-08: 3,638 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, 2026Viewing3,638+45
Oct 07, 20263,593-5
Oct 06, 20263,5980
Oct 05, 20263,598+4
Oct 02, 20263,594No prior observation