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Contract OI history

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Sep 17, 2027 EXPIRATION

ONON $25.00 Put

ONON270917P00025000

Latest saved OI4,427Oct 23, 2026
Last change0vs 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. 4,5142,2570 2026-10-02: 4,514 OI2026-10-05: 4,514 OI2026-10-06: 4,513 OI2026-10-07: 4,513 OI2026-10-08: 4,513 OI2026-10-09: 4,512 OI2026-10-13: 4,512 OI2026-10-14: 4,512 OI2026-10-15: 4,412 OI2026-10-16: 4,412 OI2026-10-21: 4,427 OI2026-10-23: 4,427 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, 2026Viewing4,4270
Oct 21, 20264,427+15
Oct 16, 20264,4120
Oct 15, 20264,412-100
Oct 14, 20264,5120
Oct 13, 20264,5120
Oct 09, 20264,512-1
Oct 08, 20264,5130
Oct 07, 20264,5130
Oct 06, 20264,513-1
Oct 05, 20264,5140
Oct 02, 20264,514No prior observation