OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

AMPX $13.00 Put

AMPX261120P00013000

Latest saved OI401Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $13.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4272130 2026-10-02: 393 OI2026-10-05: 426 OI2026-10-06: 425 OI2026-10-07: 427 OI2026-10-08: 427 OI2026-10-09: 427 OI2026-10-13: 425 OI2026-10-14: 425 OI2026-10-15: 388 OI2026-10-16: 397 OI2026-10-21: 402 OI2026-10-23: 401 OI Oct 02, 2026Oct 23, 2026

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

AMPX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing401-1
Oct 21, 2026402+5
Oct 16, 2026397+9
Oct 15, 2026388-37
Oct 14, 20264250
Oct 13, 2026425-2
Oct 09, 20264270
Oct 08, 20264270
Oct 07, 2026427+2
Oct 06, 2026425-1
Oct 05, 2026426+33
Oct 02, 2026393No prior observation