OITracker Cboe delayed data

Contract OI history

Back to ENVX

Oct 30, 2026 EXPIRATION

ENVX $2.50 Put

ENVX261030P00002500

Latest saved OI452Oct 23, 2026
Last change-108vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ENVX $2.50 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. 5602800 2026-10-08: 426 OI2026-10-09: 425 OI2026-10-13: 429 OI2026-10-14: 429 OI2026-10-15: 436 OI2026-10-16: 437 OI2026-10-20: 560 OI2026-10-23: 452 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, 2026Viewing452-108
Oct 20, 2026560+123
Oct 16, 2026437+1
Oct 15, 2026436+7
Oct 14, 20264290
Oct 13, 2026429+4
Oct 09, 2026425-1
Oct 08, 2026426No prior observation