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Contract OI history

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Jan 21, 2028 EXPIRATION

ENPH $17.50 Call

ENPH280121C00017500

Latest saved OI496Oct 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 $17.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4962480 2026-10-09: 486 OI2026-10-13: 487 OI2026-10-14: 487 OI2026-10-15: 490 OI2026-10-16: 491 OI2026-10-21: 496 OI2026-10-23: 496 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, 2026Viewing4960
Oct 21, 2026496+5
Oct 16, 2026491+1
Oct 15, 2026490+3
Oct 14, 20264870
Oct 13, 2026487+1
Oct 09, 2026486No prior observation