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Contract OI history

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Dec 15, 2028 EXPIRATION

ET $20.00 Put

ET281215P00020000

Latest saved OI1,112Oct 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 $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. 1,1165580 2026-10-02: 1,116 OI2026-10-05: 1,116 OI2026-10-06: 1,116 OI2026-10-07: 1,112 OI2026-10-08: 1,112 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, 2026Viewing1,1120
Oct 07, 20261,112-4
Oct 06, 20261,1160
Oct 05, 20261,1160
Oct 02, 20261,116No prior observation