OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

AMPX $20.00 Put

AMPX270319P00020000

Latest saved OI2,791Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $20.00 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. 2,8011,4000 2026-10-02: 2,801 OI2026-10-05: 2,801 OI2026-10-06: 2,801 OI2026-10-07: 2,801 OI2026-10-08: 2,801 OI2026-10-09: 2,801 OI2026-10-13: 2,801 OI2026-10-14: 2,801 OI2026-10-15: 2,791 OI2026-10-16: 2,791 OI2026-10-21: 2,791 OI2026-10-23: 2,791 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, 2026Viewing2,7910
Oct 21, 20262,7910
Oct 16, 20262,7910
Oct 15, 20262,791-10
Oct 14, 20262,8010
Oct 13, 20262,8010
Oct 09, 20262,8010
Oct 08, 20262,8010
Oct 07, 20262,8010
Oct 06, 20262,8010
Oct 05, 20262,8010
Oct 02, 20262,801No prior observation