OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

ENPH $30.50 Put

ENPH261030P00030500

Latest saved OI1,094Oct 23, 2026
Last change+1,015vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENPH $30.50 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. 1,0945470 2026-10-09: 0 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 34 OI2026-10-16: 33 OI2026-10-21: 79 OI2026-10-23: 1,094 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, 2026Viewing1,094+1,015
Oct 21, 202679+46
Oct 16, 202633-1
Oct 15, 202634+7
Oct 14, 2026270
Oct 13, 202627+27
Oct 09, 20260No prior observation