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Contract OI history

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Oct 23, 2026 EXPIRATION

ENPH $31.00 Put

ENPH261023P00031000

Latest saved OI729Oct 23, 2026
Last change+24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $31.00 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. 7293640 2026-10-09: 449 OI2026-10-13: 566 OI2026-10-14: 566 OI2026-10-15: 571 OI2026-10-16: 569 OI2026-10-21: 705 OI2026-10-23: 729 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, 2026Viewing729+24
Oct 21, 2026705+136
Oct 16, 2026569-2
Oct 15, 2026571+5
Oct 14, 20265660
Oct 13, 2026566+117
Oct 09, 2026449No prior observation