A new study comparing Solana liquidity venues reveals a sharp performance split between professional operator pools (propAMMs) and public automated market makers (AMMs).

According to research covering September 2025 through August 2026, propAMMs recorded an execution cost proxy of just 0.26 basis points during quiet market conditions, compared to 2.59 basis points for public AMMs.

For traders, lower costs mean better price execution when swapping assets like SOL and USDC. However, the dynamics look very different for liquidity providers. The paper highlights two-second gross maker markouts of +0.37 basis points for propAMMs versus −0.22 basis points for public AMMs, showing that passive depositors in public pools remain more exposed to adverse selection.

While propAMMs clearly offer tighter pricing and better protection against stale quotes, low execution costs alone don't guarantee a strong investment case for passive pool depositors supplying the underlying inventory.

Which liquidity model do you prefer when trading on Solana, and do you think public AMMs will adapt to better protect passive LPs?

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