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Contract OI history

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Jan 21, 2028 EXPIRATION

ONON $32.50 Put

ONON280121P00032500

Latest saved OI10,191Oct 23, 2026
Last change+118vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $32.50 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. 10,1915,0950 2026-10-02: 10,072 OI2026-10-05: 10,072 OI2026-10-06: 10,072 OI2026-10-07: 10,072 OI2026-10-08: 10,072 OI2026-10-09: 10,073 OI2026-10-13: 10,073 OI2026-10-14: 10,073 OI2026-10-15: 10,073 OI2026-10-16: 10,073 OI2026-10-21: 10,073 OI2026-10-23: 10,191 OI Oct 02, 2026Oct 23, 2026

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

ONON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10,191+118
Oct 21, 202610,0730
Oct 16, 202610,0730
Oct 15, 202610,0730
Oct 14, 202610,0730
Oct 13, 202610,0730
Oct 09, 202610,073+1
Oct 08, 202610,0720
Oct 07, 202610,0720
Oct 06, 202610,0720
Oct 05, 202610,0720
Oct 02, 202610,072No prior observation