OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ENB $40.00 Put

ENB270115P00040000

Latest saved OI379Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ENB $40.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3851920 2026-10-02: 385 OI2026-10-05: 385 OI2026-10-06: 385 OI2026-10-07: 380 OI2026-10-08: 380 OI2026-10-09: 380 OI2026-10-13: 381 OI2026-10-15: 381 OI2026-10-16: 380 OI2026-10-21: 379 OI2026-10-23: 379 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ENB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3790
Oct 21, 2026379-1
Oct 16, 2026380-1
Oct 15, 20263810
Oct 13, 2026381+1
Oct 09, 20263800
Oct 08, 20263800
Oct 07, 2026380-5
Oct 06, 20263850
Oct 05, 20263850
Oct 02, 2026385No prior observation