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Contract OI history

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Feb 19, 2027 EXPIRATION

ETON $40.00 Call

ETON270219C00040000

Latest saved OI57Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ETON $40.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 57280 2026-10-09: 54 OI2026-10-13: 55 OI2026-10-14: 55 OI2026-10-16: 57 OI2026-10-20: 57 OI2026-10-23: 57 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ETON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing570
Oct 20, 2026570
Oct 16, 202657+2
Oct 14, 2026550
Oct 13, 202655+1
Oct 09, 202654No prior observation