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Contract OI history

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May 21, 2027 EXPIRATION

ENPH $30.00 Put

ENPH270521P00030000

Latest saved OI1,259Oct 23, 2026
Last change+50vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $30.00 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. 1,2596290 2026-10-09: 996 OI2026-10-13: 1,050 OI2026-10-14: 1,050 OI2026-10-15: 1,057 OI2026-10-16: 1,074 OI2026-10-21: 1,209 OI2026-10-23: 1,259 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, 2026Viewing1,259+50
Oct 21, 20261,209+135
Oct 16, 20261,074+17
Oct 15, 20261,057+7
Oct 14, 20261,0500
Oct 13, 20261,050+54
Oct 09, 2026996No prior observation