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Contract OI history

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Jan 21, 2028 EXPIRATION

ET $17.00 Put

ET280121P00017000

Latest saved OI7,455Oct 08, 2026
Last change+551vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $17.00 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. 7,4553,7270 2026-10-02: 6,984 OI2026-10-05: 7,018 OI2026-10-06: 6,904 OI2026-10-07: 6,904 OI2026-10-08: 7,455 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, 2026Viewing7,455+551
Oct 07, 20266,9040
Oct 06, 20266,904-114
Oct 05, 20267,018+34
Oct 02, 20266,984No prior observation