OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $22.50 Call

ZETA270115C00022500

Latest saved OI2,057Oct 23, 2026
Last change-8vs 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. 2,1361,0680 2026-10-02: 2,136 OI2026-10-05: 2,135 OI2026-10-06: 2,099 OI2026-10-07: 2,076 OI2026-10-08: 2,076 OI2026-10-09: 2,065 OI2026-10-13: 2,064 OI2026-10-14: 2,064 OI2026-10-15: 2,064 OI2026-10-16: 2,063 OI2026-10-21: 2,065 OI2026-10-23: 2,057 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, 20262,057-8
Oct 21, 2026Viewing2,065+2
Oct 16, 20262,063-1
Oct 15, 20262,0640
Oct 14, 20262,0640
Oct 13, 20262,064-1
Oct 09, 20262,065-11
Oct 08, 20262,0760
Oct 07, 20262,076-23
Oct 06, 20262,099-36
Oct 05, 20262,135-1
Oct 02, 20262,136No prior observation