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Contract OI history

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Apr 16, 2027 EXPIRATION

AMPG $5.00 Put

AMPG270416P00005000

Latest saved OI64Oct 20, 2026
Last change-8vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPG $5.00 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. 79390 2026-10-08: 79 OI2026-10-09: 79 OI2026-10-13: 72 OI2026-10-14: 72 OI2026-10-16: 72 OI2026-10-20: 64 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, 2026Viewing64-8
Oct 16, 2026720
Oct 14, 2026720
Oct 13, 202672-7
Oct 09, 2026790
Oct 08, 202679No prior observation