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Contract OI history

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Jan 21, 2028 EXPIRATION

ZETA $22.50 Call

ZETA280121C00022500

Latest saved OI4,020Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $22.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,0672,0330 2026-10-02: 4,067 OI2026-10-05: 4,065 OI2026-10-06: 4,054 OI2026-10-07: 4,054 OI2026-10-08: 4,054 OI2026-10-09: 4,051 OI2026-10-13: 4,056 OI2026-10-14: 4,056 OI2026-10-15: 4,042 OI2026-10-16: 4,044 OI2026-10-21: 4,020 OI2026-10-23: 4,020 OI Oct 02, 2026Oct 23, 2026

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

ZETA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264,0200
Oct 21, 2026Viewing4,020-24
Oct 16, 20264,044+2
Oct 15, 20264,042-14
Oct 14, 20264,0560
Oct 13, 20264,056+5
Oct 09, 20264,051-3
Oct 08, 20264,0540
Oct 07, 20264,0540
Oct 06, 20264,054-11
Oct 05, 20264,065-2
Oct 02, 20264,067No prior observation