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Contract OI history

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Jan 15, 2027 EXPIRATION

AON $320.00 Call

AON270115C00320000

Latest saved OI250Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AON $320.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2501250 2026-10-02: 81 OI2026-10-05: 81 OI2026-10-06: 91 OI2026-10-07: 93 OI2026-10-08: 96 OI2026-10-09: 105 OI2026-10-13: 126 OI2026-10-14: 237 OI2026-10-15: 241 OI2026-10-16: 240 OI2026-10-21: 247 OI2026-10-23: 250 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, 2026Viewing250+3
Oct 21, 2026247+7
Oct 16, 2026240-1
Oct 15, 2026241+4
Oct 14, 2026237+111
Oct 13, 2026126+21
Oct 09, 2026105+9
Oct 08, 202696+3
Oct 07, 202693+2
Oct 06, 202691+10
Oct 05, 2026810
Oct 02, 202681No prior observation