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Contract OI history

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Nov 20, 2026 EXPIRATION

APA $40.00 Put

APA261120P00040000

Latest saved OI432Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
APA $40.00 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. 4372180 2026-10-09: 328 OI2026-10-13: 287 OI2026-10-14: 292 OI2026-10-15: 298 OI2026-10-16: 308 OI2026-10-21: 437 OI2026-10-23: 432 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, 2026Viewing432-5
Oct 21, 2026437+129
Oct 16, 2026308+10
Oct 15, 2026298+6
Oct 14, 2026292+5
Oct 13, 2026287-41
Oct 09, 2026328No prior observation