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Contract OI history

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Jan 15, 2027 EXPIRATION

AON $250.00 Put

AON270115P00250000

Latest saved OI296Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AON $250.00 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. 2961480 2026-10-02: 283 OI2026-10-05: 283 OI2026-10-06: 285 OI2026-10-07: 289 OI2026-10-08: 293 OI2026-10-09: 293 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-15: 296 OI2026-10-16: 296 OI2026-10-21: 295 OI2026-10-23: 296 OI Oct 02, 2026Oct 23, 2026

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

AON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing296+1
Oct 21, 2026295-1
Oct 16, 20262960
Oct 15, 20262960
Oct 14, 20262960
Oct 13, 2026296+3
Oct 09, 20262930
Oct 08, 2026293+4
Oct 07, 2026289+4
Oct 06, 2026285+2
Oct 05, 20262830
Oct 02, 2026283No prior observation