Fractional Shares
Broker-supported ownership of less than one share, letting dollar-based orders invest an exact amount ('$500 of VOO') regardless of share price. Support varies by broker and by order type — many brokers restrict fractional trading to market orders, which matters when a strategy rests limit orders.
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Build it from blocks (or type it in English), backtest it on 5.5 years of minute data in seconds, tweak any parameter, then paper trade it on live data. No card, no broker needed to start.
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Backtests are hypothetical, computed by DeployQuant's engine on minute-resolution consolidated US market data (2021-01-04 to 2026-07-17, $10,000 starting capital, no margin, fees and slippage not modeled) and do not guarantee future results. Nothing on this page is investment advice. Live trading involves risk of loss.