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Contract OI history

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Dec 18, 2026 EXPIRATION

ENPH $22.50 Put

ENPH261218P00022500

Latest saved OI176Oct 23, 2026
Last change-30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $22.50 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. 2861430 2026-10-09: 281 OI2026-10-13: 279 OI2026-10-14: 279 OI2026-10-15: 285 OI2026-10-16: 286 OI2026-10-21: 206 OI2026-10-23: 176 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, 2026Viewing176-30
Oct 21, 2026206-80
Oct 16, 2026286+1
Oct 15, 2026285+6
Oct 14, 20262790
Oct 13, 2026279-2
Oct 09, 2026281No prior observation