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Contract OI history

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Apr 16, 2027 EXPIRATION

ENB $42.50 Put

ENB270416P00042500

Latest saved OI302Oct 23, 2026
Last change-3vs 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. 3051520 2026-10-02: 205 OI2026-10-05: 211 OI2026-10-06: 211 OI2026-10-07: 212 OI2026-10-08: 214 OI2026-10-09: 214 OI2026-10-13: 214 OI2026-10-15: 222 OI2026-10-16: 223 OI2026-10-21: 305 OI2026-10-23: 302 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, 2026Viewing302-3
Oct 21, 2026305+82
Oct 16, 2026223+1
Oct 15, 2026222+8
Oct 13, 20262140
Oct 09, 20262140
Oct 08, 2026214+2
Oct 07, 2026212+1
Oct 06, 20262110
Oct 05, 2026211+6
Oct 02, 2026205No prior observation