Contract OI history

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Apr 16, 2027 EXPIRATION

AMPG $7.50 Put

AMPG270416P00007500

Latest saved OI540Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPG $7.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 5402700 2026-10-08: 530 OI2026-10-09: 530 OI2026-10-13: 530 OI2026-10-14: 530 OI2026-10-16: 540 OI2026-10-20: 540 OI Oct 08, 2026Oct 20, 2026

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

AMPG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing5400
Oct 16, 2026540+10
Oct 14, 20265300
Oct 13, 20265300
Oct 09, 20265300
Oct 08, 2026530No prior observation