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Contract OI history

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Jan 19, 2029 EXPIRATION

ZENA $2.50 Call

ZENA290119C00002500

Latest saved OI94Oct 23, 2026
Last change-7vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $2.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 101500 2026-10-08: 99 OI2026-10-09: 100 OI2026-10-13: 101 OI2026-10-14: 101 OI2026-10-15: 101 OI2026-10-16: 101 OI2026-10-20: 101 OI2026-10-23: 94 OI Oct 08, 2026Oct 23, 2026

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

ZENA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing94-7
Oct 20, 20261010
Oct 16, 20261010
Oct 15, 20261010
Oct 14, 20261010
Oct 13, 2026101+1
Oct 09, 2026100+1
Oct 08, 202699No prior observation