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Contract OI history

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Jan 15, 2027 EXPIRATION

APA $37.50 Put

APA270115P00037500

Latest saved OI600Oct 23, 2026
Last change-28vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
APA $37.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6623310 2026-10-09: 661 OI2026-10-13: 662 OI2026-10-14: 662 OI2026-10-15: 662 OI2026-10-16: 662 OI2026-10-21: 628 OI2026-10-23: 600 OI Oct 09, 2026Oct 23, 2026

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

APA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing600-28
Oct 21, 2026628-34
Oct 16, 20266620
Oct 15, 20266620
Oct 14, 20266620
Oct 13, 2026662+1
Oct 09, 2026661No prior observation