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Contract OI history

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Mar 19, 2027 EXPIRATION

ONON $25.00 Put

ONON270319P00025000

Latest saved OI2,265Oct 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. 2,2751,1370 2026-10-02: 2,261 OI2026-10-05: 2,275 OI2026-10-06: 2,275 OI2026-10-07: 2,273 OI2026-10-08: 2,273 OI2026-10-09: 2,271 OI2026-10-13: 2,265 OI2026-10-14: 2,265 OI2026-10-15: 2,265 OI2026-10-16: 2,264 OI2026-10-21: 2,265 OI2026-10-23: 2,265 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, 2026Viewing2,2650
Oct 21, 20262,265+1
Oct 16, 20262,264-1
Oct 15, 20262,2650
Oct 14, 20262,2650
Oct 13, 20262,265-6
Oct 09, 20262,271-2
Oct 08, 20262,2730
Oct 07, 20262,273-2
Oct 06, 20262,2750
Oct 05, 20262,275+14
Oct 02, 20262,261No prior observation