OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

AMPX $12.00 Put

AMPX280121P00012000

Latest saved OI434Oct 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 $12.00 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. 4342170 2026-10-02: 233 OI2026-10-05: 424 OI2026-10-06: 424 OI2026-10-07: 424 OI2026-10-08: 424 OI2026-10-09: 424 OI2026-10-13: 424 OI2026-10-14: 424 OI2026-10-15: 424 OI2026-10-16: 434 OI2026-10-21: 434 OI2026-10-23: 434 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, 2026Viewing4340
Oct 21, 20264340
Oct 16, 2026434+10
Oct 15, 20264240
Oct 14, 20264240
Oct 13, 20264240
Oct 09, 20264240
Oct 08, 20264240
Oct 07, 20264240
Oct 06, 20264240
Oct 05, 2026424+191
Oct 02, 2026233No prior observation