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Contract OI history

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Oct 23, 2026 EXPIRATION

ENPH $28.00 Put

ENPH261023P00028000

Latest saved OI417Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $28.00 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. 4172080 2026-10-09: 185 OI2026-10-13: 347 OI2026-10-14: 347 OI2026-10-15: 373 OI2026-10-16: 391 OI2026-10-21: 408 OI2026-10-23: 417 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, 2026Viewing417+9
Oct 21, 2026408+17
Oct 16, 2026391+18
Oct 15, 2026373+26
Oct 14, 20263470
Oct 13, 2026347+162
Oct 09, 2026185No prior observation