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Contract OI history

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Jan 21, 2028 EXPIRATION

ONON $25.00 Put

ONON280121P00025000

Latest saved OI5,239Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $25.00 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. 5,2742,6370 2026-10-02: 5,266 OI2026-10-05: 5,274 OI2026-10-06: 5,274 OI2026-10-07: 5,274 OI2026-10-08: 5,274 OI2026-10-09: 5,273 OI2026-10-13: 5,273 OI2026-10-14: 5,273 OI2026-10-15: 5,273 OI2026-10-16: 5,273 OI2026-10-21: 5,244 OI2026-10-23: 5,239 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, 2026Viewing5,239-5
Oct 21, 20265,244-29
Oct 16, 20265,2730
Oct 15, 20265,2730
Oct 14, 20265,2730
Oct 13, 20265,2730
Oct 09, 20265,273-1
Oct 08, 20265,2740
Oct 07, 20265,2740
Oct 06, 20265,2740
Oct 05, 20265,274+8
Oct 02, 20265,266No prior observation