OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ET $30.00 Put

ET270115P00030000

Latest saved OI289Oct 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 $30.00 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. 2891440 2026-10-02: 289 OI2026-10-05: 289 OI2026-10-06: 289 OI2026-10-07: 289 OI2026-10-08: 289 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, 2026Viewing2890
Oct 07, 20262890
Oct 06, 20262890
Oct 05, 20262890
Oct 02, 2026289No prior observation