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Contract OI history

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Dec 18, 2026 EXPIRATION

ENPH $20.00 Put

ENPH261218P00020000

Latest saved OI714Oct 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 $20.00 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. 7143570 2026-10-09: 671 OI2026-10-13: 673 OI2026-10-14: 673 OI2026-10-15: 677 OI2026-10-16: 679 OI2026-10-21: 684 OI2026-10-23: 714 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, 2026Viewing714+30
Oct 21, 2026684+5
Oct 16, 2026679+2
Oct 15, 2026677+4
Oct 14, 20266730
Oct 13, 2026673+2
Oct 09, 2026671No prior observation