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Contract OI history

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Nov 13, 2026 EXPIRATION

ENVX $3.50 Put

ENVX261113P00003500

Latest saved OI223Oct 23, 2026
Last change+5vs 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. 2531260 2026-10-08: 62 OI2026-10-09: 71 OI2026-10-13: 188 OI2026-10-14: 188 OI2026-10-15: 214 OI2026-10-16: 253 OI2026-10-20: 218 OI2026-10-23: 223 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, 2026Viewing223+5
Oct 20, 2026218-35
Oct 16, 2026253+39
Oct 15, 2026214+26
Oct 14, 20261880
Oct 13, 2026188+117
Oct 09, 202671+9
Oct 08, 202662No prior observation