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Contract OI history

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Jan 15, 2027 EXPIRATION

AMPG $7.50 Put

AMPG270115P00007500

Latest saved OI331Oct 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. 3571780 2026-10-08: 357 OI2026-10-09: 357 OI2026-10-13: 351 OI2026-10-14: 351 OI2026-10-16: 331 OI2026-10-20: 331 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, 2026Viewing3310
Oct 16, 2026331-20
Oct 14, 20263510
Oct 13, 2026351-6
Oct 09, 20263570
Oct 08, 2026357No prior observation