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Contract OI history

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Jan 21, 2028 EXPIRATION

AXP $300.00 Put

AXP280121P00300000

Latest saved OI391Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AXP $300.00 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. 4022010 2026-10-02: 391 OI2026-10-05: 402 OI2026-10-06: 384 OI2026-10-07: 385 OI2026-10-08: 385 OI2026-10-09: 388 OI2026-10-13: 387 OI2026-10-14: 387 OI2026-10-15: 387 OI2026-10-16: 387 OI2026-10-21: 382 OI2026-10-23: 391 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, 2026Viewing391+9
Oct 21, 2026382-5
Oct 16, 20263870
Oct 15, 20263870
Oct 14, 20263870
Oct 13, 2026387-1
Oct 09, 2026388+3
Oct 08, 20263850
Oct 07, 2026385+1
Oct 06, 2026384-18
Oct 05, 2026402+11
Oct 02, 2026391No prior observation