OITracker Cboe delayed data

Contract OI history

Back to ENR

Dec 18, 2026 EXPIRATION

ENR $20.00 Put

ENR261218P00020000

Latest saved OI264Oct 23, 2026
Last change+31vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ENR $20.00 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. 2641320 2026-10-02: 227 OI2026-10-05: 227 OI2026-10-06: 232 OI2026-10-07: 232 OI2026-10-08: 232 OI2026-10-09: 232 OI2026-10-13: 232 OI2026-10-14: 232 OI2026-10-16: 232 OI2026-10-20: 233 OI2026-10-23: 264 OI Oct 02, 2026Oct 23, 2026

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

ENR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing264+31
Oct 20, 2026233+1
Oct 16, 20262320
Oct 14, 20262320
Oct 13, 20262320
Oct 09, 20262320
Oct 08, 20262320
Oct 07, 20262320
Oct 06, 2026232+5
Oct 05, 20262270
Oct 02, 2026227No prior observation