Phidias Propfirm: Phidias Propfirm Premium accounts use a rising profit split: 75% on the first payout, then 80%, 85% and 90%, and 100% from the fifth payout. The firm's help center doesn't show a start date.
Confirmed by the firm
Source: helpcenter.phidiaspropfirm.com/help/regles-compte-premium + phidiaspropfirm.com. Confirmed on the firm's own site, help center, X account or email on Nov 5, 2026.