Highest points, for short

• __ out (reaches a peak)
• Completely uses up, as a credit card, with "out"
• High points
• Baer and Factor
• Upper limits
• Levels off, with "out"
• __ out: uses up, as credit
• Tops (out)

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: max )