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Contract OI history

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Jan 21, 2028 EXPIRATION

ZENA $1000.00 Put

ZENA280121P00001000

Latest saved OI124Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $1000.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 124620 2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 120 OI2026-10-16: 122 OI2026-10-20: 124 OI2026-10-23: 124 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, 2026Viewing1240
Oct 20, 2026124+2
Oct 16, 2026122+2
Oct 15, 20261200
Oct 14, 20261200
Oct 13, 2026120+20
Oct 09, 20261000
Oct 08, 2026100No prior observation