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Contract OI history

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Oct 30, 2026 EXPIRATION

ENPH $31.00 Put

ENPH261030P00031000

Latest saved OI669Oct 23, 2026
Last change+499vs 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. 6693340 2026-10-09: 79 OI2026-10-13: 83 OI2026-10-14: 83 OI2026-10-15: 93 OI2026-10-16: 95 OI2026-10-21: 170 OI2026-10-23: 669 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, 2026Viewing669+499
Oct 21, 2026170+75
Oct 16, 202695+2
Oct 15, 202693+10
Oct 14, 2026830
Oct 13, 202683+4
Oct 09, 202679No prior observation