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Contract OI history

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Dec 18, 2026 EXPIRATION

ENPH $55.00 Put

ENPH261218P00055000

Latest saved OI333Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $55.00 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. 5092540 2026-10-09: 506 OI2026-10-13: 506 OI2026-10-14: 506 OI2026-10-15: 506 OI2026-10-16: 509 OI2026-10-21: 333 OI2026-10-23: 333 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, 2026Viewing3330
Oct 21, 2026333-176
Oct 16, 2026509+3
Oct 15, 20265060
Oct 14, 20265060
Oct 13, 20265060
Oct 09, 2026506No prior observation