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Contract OI history

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Dec 18, 2026 EXPIRATION

ENPH $25.00 Put

ENPH261218P00025000

Latest saved OI3,540Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $25.00 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. 3,5591,7790 2026-10-09: 3,559 OI2026-10-13: 3,352 OI2026-10-14: 3,352 OI2026-10-15: 3,492 OI2026-10-16: 3,468 OI2026-10-21: 3,550 OI2026-10-23: 3,540 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, 2026Viewing3,540-10
Oct 21, 20263,550+82
Oct 16, 20263,468-24
Oct 15, 20263,492+140
Oct 14, 20263,3520
Oct 13, 20263,352-207
Oct 09, 20263,559No prior observation