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Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $17.50 Put

ZETA270115P00017500

Latest saved OI8,798Oct 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 $17.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8,8064,4030 2026-10-02: 8,806 OI2026-10-05: 8,806 OI2026-10-06: 8,806 OI2026-10-07: 8,798 OI2026-10-08: 8,798 OI2026-10-09: 8,798 OI2026-10-13: 8,798 OI2026-10-14: 8,798 OI2026-10-15: 8,798 OI2026-10-16: 8,798 OI2026-10-21: 8,798 OI2026-10-23: 8,798 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, 20268,7980
Oct 21, 2026Viewing8,7980
Oct 16, 20268,7980
Oct 15, 20268,7980
Oct 14, 20268,7980
Oct 13, 20268,7980
Oct 09, 20268,7980
Oct 08, 20268,7980
Oct 07, 20268,798-8
Oct 06, 20268,8060
Oct 05, 20268,8060
Oct 02, 20268,806No prior observation