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Contract OI history

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Dec 18, 2026 EXPIRATION

ET $18.00 Put

ET261218P00018000

Latest saved OI1,399Oct 08, 2026
Last change0vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $18.00 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. 1,3996990 2026-10-02: 1,397 OI2026-10-05: 1,397 OI2026-10-06: 1,397 OI2026-10-07: 1,399 OI2026-10-08: 1,399 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, 2026Viewing1,3990
Oct 07, 20261,399+2
Oct 06, 20261,3970
Oct 05, 20261,3970
Oct 02, 20261,397No prior observation