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Contract OI history

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Mar 19, 2027 EXPIRATION

APA $37.50 Put

APA270319P00037500

Latest saved OI475Oct 23, 2026
Last change-1vs 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. 4762380 2026-10-09: 207 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 207 OI2026-10-16: 207 OI2026-10-21: 476 OI2026-10-23: 475 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, 2026Viewing475-1
Oct 21, 2026476+269
Oct 16, 20262070
Oct 15, 20262070
Oct 14, 20262070
Oct 13, 20262070
Oct 09, 2026207No prior observation