OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

AMPX $20.00 Put

AMPX270115P00020000

Latest saved OI84Oct 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 $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. 6623310 2026-10-02: 662 OI2026-10-05: 662 OI2026-10-06: 662 OI2026-10-07: 662 OI2026-10-08: 662 OI2026-10-09: 662 OI2026-10-13: 448 OI2026-10-14: 448 OI2026-10-15: 264 OI2026-10-16: 98 OI2026-10-21: 85 OI2026-10-23: 84 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, 2026Viewing84-1
Oct 21, 202685-13
Oct 16, 202698-166
Oct 15, 2026264-184
Oct 14, 20264480
Oct 13, 2026448-214
Oct 09, 20266620
Oct 08, 20266620
Oct 07, 20266620
Oct 06, 20266620
Oct 05, 20266620
Oct 02, 2026662No prior observation