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Contract OI history

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Oct 23, 2026 EXPIRATION

ENVX $3.50 Put

ENVX261023P00003500

Latest saved OI2Oct 23, 2026
Last change+1vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ENVX $3.50 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. 113560 2026-10-08: 113 OI2026-10-09: 113 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-20: 1 OI2026-10-23: 2 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, 2026Viewing2+1
Oct 20, 20261-10
Oct 16, 2026110
Oct 15, 202611-102
Oct 14, 20261130
Oct 13, 20261130
Oct 09, 20261130
Oct 08, 2026113No prior observation