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Contract OI history

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Oct 23, 2026 EXPIRATION

ENPH $27.50 Put

ENPH261023P00027500

Latest saved OI322Oct 23, 2026
Last change+37vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $27.50 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. 3221610 2026-10-09: 132 OI2026-10-13: 174 OI2026-10-14: 174 OI2026-10-15: 180 OI2026-10-16: 185 OI2026-10-21: 285 OI2026-10-23: 322 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, 2026Viewing322+37
Oct 21, 2026285+100
Oct 16, 2026185+5
Oct 15, 2026180+6
Oct 14, 20261740
Oct 13, 2026174+42
Oct 09, 2026132No prior observation