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Contract OI history

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Jan 21, 2028 EXPIRATION

ENB $42.50 Put

ENB280121P00042500

Latest saved OI563Oct 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 $42.50 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. 5632810 2026-10-02: 60 OI2026-10-05: 60 OI2026-10-06: 60 OI2026-10-07: 60 OI2026-10-08: 61 OI2026-10-09: 61 OI2026-10-13: 563 OI2026-10-15: 563 OI2026-10-16: 563 OI2026-10-21: 563 OI2026-10-23: 563 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, 2026Viewing5630
Oct 21, 20265630
Oct 16, 20265630
Oct 15, 20265630
Oct 13, 2026563+502
Oct 09, 2026610
Oct 08, 202661+1
Oct 07, 2026600
Oct 06, 2026600
Oct 05, 2026600
Oct 02, 202660No prior observation