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Contract OI history

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Oct 23, 2026 EXPIRATION

ENPH $32.50 Put

ENPH261023P00032500

Latest saved OI3,650Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $32.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,6501,8250 2026-10-09: 31 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-15: 70 OI2026-10-16: 72 OI2026-10-21: 3,647 OI2026-10-23: 3,650 OI Oct 09, 2026Oct 23, 2026

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

ENPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,650+3
Oct 21, 20263,647+3,575
Oct 16, 202672+2
Oct 15, 202670+25
Oct 14, 2026450
Oct 13, 202645+14
Oct 09, 202631No prior observation