# Research Finds Professional Market-Maker Pools Cut Solana Trading Costs While Passive Liquidity Providers Lose Ground

A September preprint reports cheaper SOL/USDC execution in quiet markets at proprietary automated market makers, with returns to public-pool depositors requiring separate accounting.

- Published: 2026-10-02T06:09:12.150Z
- Canonical: https://polylog.news/crypto/2026-10-02/research-finds-professional-market-maker-pools-cut-solana-tr
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/propamms-lower-solana-trade-costs-and-public-pool-returns-crash/), [DeFiLlama (chain TVL)](https://defillama.com/chains)

A September preprint examined proprietary automated market makers, known as PropAMMs, on Solana and found that they delivered cheaper execution for SOL/USDC trades in quiet market conditions than open public pools, while returns to passive…

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