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Contract OI history

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Nov 20, 2026 EXPIRATION

APA $42.50 Put

APA261120P00042500

Latest saved OI485Oct 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 $42.50 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. 4862430 2026-10-09: 141 OI2026-10-13: 201 OI2026-10-14: 221 OI2026-10-15: 214 OI2026-10-16: 209 OI2026-10-21: 486 OI2026-10-23: 485 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, 2026Viewing485-1
Oct 21, 2026486+277
Oct 16, 2026209-5
Oct 15, 2026214-7
Oct 14, 2026221+20
Oct 13, 2026201+60
Oct 09, 2026141No prior observation