SolFi

SolFi is a proprietary automated market maker on Solana. Unlike open liquidity pools it does not let retail users provide liquidity: one market maker supplies capital through a vault, quotes are emitted by an on-chain program, and there is no front end.

The market maker encodes its strategy in the program, updating quotes from oracle prices and a pricing curve at a compute cost far below a normal swap, so quotes refresh at high frequency and win ordering priority. Order flow arrives mostly from aggregators that compare venues and route trades in. Users interact only with the program, so no pool shares are diluted. Quotes embed spread, inventory skew and a clip cap, and in extreme conditions the program narrows executable size to control inventory exposure. Research data shows such proprietary venues take over half of SOL and stablecoin pair volume, with SolFi among the larger ones.