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Contract OI history

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Feb 19, 2027 EXPIRATION

ENPH $40.00 Put

ENPH270219P00040000

Latest saved OI580Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $40.00 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. 5802900 2026-10-09: 560 OI2026-10-13: 560 OI2026-10-14: 560 OI2026-10-15: 575 OI2026-10-16: 575 OI2026-10-21: 577 OI2026-10-23: 580 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, 2026Viewing580+3
Oct 21, 2026577+2
Oct 16, 20265750
Oct 15, 2026575+15
Oct 14, 20265600
Oct 13, 20265600
Oct 09, 2026560No prior observation