Backtest a stated trading rule on a crypto asset's daily USD closes (Coinbase Exchange) and compare it with buying and holding: SMA crossover, RSI mean reversion, DCA or buy-and-hold, 30-365 days, with fees. Returns total return, drawdown, Sharpe, win rate, exposure, every trade and the equity curve; the rules are published in every answer. Send {} for BTC, SMA 20/50, 180 days. A test of the past, not advice. Pay-per-call via x402.

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