For Builders

The builder owns the product. Proportion provides the funded layer.

For a builder, the funded account is the most capital-intensive part of a prop firm. Proportion allocates it from the vault, enforces its floor and settles it. Evaluation, brand, marketing and trader selection stay your product. You interact with the protocol through its contracts. Your traders trade through the exchange proxy, a proxy in front of Hyperliquid’s exchange endpoint that any Hyperliquid-compatible frontend can use and that answers faster than the public endpoint. The vault allocates the capital. You pay B + P at activation, and whatever part of B the trader does not lose comes back. Where that money comes from is your business: in a prop firm it is usually the fees from challenges that did not pass, or any other revenue.

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What Proportion gives you

An SDK call creates an isolated on-chain account with capital, a floor and automatic risk enforcement. The account belongs to the trader within the protocol’s rules. Boundary: everything before activation is handled by the builder; everything after activation is enforced by the protocol.

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Who counts as the builder

Whoever paid B + P. Funding yourself uses the same call with your own address as the trader, so one wallet is both builder and trader. Your profit share and, on a forfeiting close, your share of the forfeited profit are both recorded against that address.

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Where your revenue comes from

The subscription is not builder revenue: it splits between the vault and the protocol. Unused buffer does come back, but that is your own capital returning rather than income.

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Sections