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Contract OI history

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Dec 15, 2028 EXPIRATION

ENPH $25.00 Put

ENPH281215P00025000

Latest saved OI235Oct 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 $25.00 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. 2351170 2026-10-09: 117 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-15: 135 OI2026-10-16: 235 OI2026-10-21: 235 OI2026-10-23: 235 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, 2026Viewing2350
Oct 21, 20262350
Oct 16, 2026235+100
Oct 15, 2026135+18
Oct 14, 20261170
Oct 13, 20261170
Oct 09, 2026117No prior observation