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Contract OI history

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Mar 19, 2027 EXPIRATION

ONON $22.50 Put

ONON270319P00022500

Latest saved OI1,244Oct 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 $22.50 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. 1,2466230 2026-10-02: 1,246 OI2026-10-05: 1,246 OI2026-10-06: 1,241 OI2026-10-07: 1,241 OI2026-10-08: 1,241 OI2026-10-09: 1,241 OI2026-10-13: 1,236 OI2026-10-14: 1,236 OI2026-10-15: 1,236 OI2026-10-16: 1,236 OI2026-10-21: 1,244 OI2026-10-23: 1,244 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, 2026Viewing1,2440
Oct 21, 20261,244+8
Oct 16, 20261,2360
Oct 15, 20261,2360
Oct 14, 20261,2360
Oct 13, 20261,236-5
Oct 09, 20261,2410
Oct 08, 20261,2410
Oct 07, 20261,2410
Oct 06, 20261,241-5
Oct 05, 20261,2460
Oct 02, 20261,246No prior observation