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Contract OI history

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Dec 18, 2026 EXPIRATION

AXP $340.00 Put

AXP261218P00340000

Latest saved OI513Oct 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
AXP $340.00 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. 5172580 2026-10-02: 517 OI2026-10-05: 514 OI2026-10-06: 514 OI2026-10-07: 514 OI2026-10-08: 514 OI2026-10-09: 514 OI2026-10-13: 514 OI2026-10-14: 514 OI2026-10-15: 514 OI2026-10-16: 514 OI2026-10-21: 514 OI2026-10-23: 513 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, 2026Viewing513-1
Oct 21, 20265140
Oct 16, 20265140
Oct 15, 20265140
Oct 14, 20265140
Oct 13, 20265140
Oct 09, 20265140
Oct 08, 20265140
Oct 07, 20265140
Oct 06, 20265140
Oct 05, 2026514-3
Oct 02, 2026517No prior observation