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Contract OI history

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Dec 18, 2026 EXPIRATION

AEP $120.00 Put

AEP261218P00120000

Latest saved OI376Oct 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
AEP $120.00 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. 3771880 2026-10-09: 363 OI2026-10-13: 368 OI2026-10-14: 356 OI2026-10-15: 355 OI2026-10-16: 357 OI2026-10-21: 377 OI2026-10-23: 376 OI Oct 09, 2026Oct 23, 2026

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

AEP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing376-1
Oct 21, 2026377+20
Oct 16, 2026357+2
Oct 15, 2026355-1
Oct 14, 2026356-12
Oct 13, 2026368+5
Oct 09, 2026363No prior observation