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Contract OI history

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Dec 18, 2026 EXPIRATION

AXP $320.00 Put

AXP261218P00320000

Latest saved OI1,047Oct 23, 2026
Last change+28vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AXP $320.00 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. 1,0475230 2026-10-02: 946 OI2026-10-05: 942 OI2026-10-06: 942 OI2026-10-07: 942 OI2026-10-08: 942 OI2026-10-09: 942 OI2026-10-13: 959 OI2026-10-14: 959 OI2026-10-15: 959 OI2026-10-16: 975 OI2026-10-21: 1,019 OI2026-10-23: 1,047 OI Oct 02, 2026Oct 23, 2026

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

AXP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,047+28
Oct 21, 20261,019+44
Oct 16, 2026975+16
Oct 15, 20269590
Oct 14, 20269590
Oct 13, 2026959+17
Oct 09, 20269420
Oct 08, 20269420
Oct 07, 20269420
Oct 06, 20269420
Oct 05, 2026942-4
Oct 02, 2026946No prior observation