OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

ENVX $4.00 Put

ENVX261120P00004000

Latest saved OI3,474Oct 23, 2026
Last change-3vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ENVX $4.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3,4811,7400 2026-10-08: 3,443 OI2026-10-09: 3,443 OI2026-10-13: 3,443 OI2026-10-14: 3,443 OI2026-10-15: 3,481 OI2026-10-16: 3,477 OI2026-10-20: 3,477 OI2026-10-23: 3,474 OI Oct 08, 2026Oct 23, 2026

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

ENVX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,474-3
Oct 20, 20263,4770
Oct 16, 20263,477-4
Oct 15, 20263,481+38
Oct 14, 20263,4430
Oct 13, 20263,4430
Oct 09, 20263,4430
Oct 08, 20263,443No prior observation