QuantPilot

You do not need the agent to write QuantScript. A working strategy is short; the rules that trip people up are few.

StrategyParams = { "symbol": "BTC/USDC", "timeframe": "1h", "rsi_length": 14, "rsi_oversold": 30, "base_quantity": 0.01, } conn = Connection.get(Connection.HYPERLIQUID, id="mock_hyperliquid") spot = conn.get_market(Market.SPOT) def Run(): symbol = StrategyParams["symbol"] candles = spot.get_candles(symbol, timeframe=StrategyParams["timeframe"], limit=200) rsi = ta.rsi(candles, length=StrategyParams["rsi_length"]) if rsi[0] &lt; Decimal(str(StrategyParams["rsi_oversold"])) and not state.get("in_trade", False): spot.place_order(symbol, side=Order.BUY, type=Order.MARKET, quantity=Decimal(str(StrategyParams["base_quantity"]))) state["in_trade"] = True log.info("bought at RSI " + rsi[0].string())

Paste this into a new strategy, validate, backtest. It buys once when RSI drops below 30 and never sells. A starting point, not advice.

Only assignments and <code>def</code> at the top level. Settings, connection, markets, helper functions. All logic (<code>if</code>, <code>for</code>, calls) goes inside <code>Run()</code> or a helper.

<code>Run()</code> exists and takes no parameters. The engine calls it every tick.

Index a series before you compare it. <code>rsi[0] &gt; Decimal("50")</code>, never <code>rsi &gt; 50</code>. Index <code>0</code> is the newest value, <code>-1</code> the oldest.

Money is <code>Decimal</code>, built from strings. <code>Decimal("0.01")</code>, or <code>Decimal(str(StrategyParams["x"]))</code> for a setting. Never <code>float</code>.

Remember across ticks with <code>state</code>, read it with <code>.get</code>. Plain variables inside <code>Run()</code> are gone when the tick ends; <code>state</code> survives ticks and restarts. <code>state["k"]</code> raises if the key is missing, <code>state.get("k", default)</code> does not.

1. Only assignments and <code>def</code> at the top level. Settings, connection, markets, helper functions. All logic (<code>if</code>, <code>for</code>, calls) goes inside <code>Run()</code> or a helper.
2. <code>Run()</code> exists and takes no parameters. The engine calls it every tick.
3. Index a series before you compare it. <code>rsi[0] &gt; Decimal("50")</code>, never <code>rsi &gt; 50</code>. Index <code>0</code> is the newest value, <code>-1</code> the oldest.
4. Money is <code>Decimal</code>, built from strings. <code>Decimal("0.01")</code>, or <code>Decimal(str(StrategyParams["x"]))</code> for a setting. Never <code>float</code>.
5. Remember across ticks with <code>state</code>, read it with <code>.get</code>. Plain variables inside <code>Run()</code> are gone when the tick ends; <code>state</code> survives ticks and restarts. <code>state["k"]</code> raises if the key is missing, <code>state.get("k", default)</code> does not.

Everything else (order casing, <code>stale</code>, what raises where) is in When a strategy does not work and in the reference.

Validation runs before every save and backtest and rejects a script with a broken rule, an unknown symbol or timeframe, or a v1 API name, with the line number and a message.

Backtests fund <code>mock_hyperliquid</code> with a simulated USDC wallet, replay 1-minute bars, match your orders against them, and record every order, log line and notification.

Paper and live trading run the same script; live, balances and positions come from the exchange's real-time streams (Hyperliquid today).

- Validation runs before every save and backtest and rejects a script with a broken rule, an unknown symbol or timeframe, or a v1 API name, with the line number and a message.
- Backtests fund <code>mock_hyperliquid</code> with a simulated USDC wallet, replay 1-minute bars, match your orders against them, and record every order, log line and notification.
- Paper and live trading run the same script; live, balances and positions come from the exchange's real-time streams (Hyperliquid today).

A 20-line QuantScript skeleton you can paste and backtest, plus the five rules that catch most people out when writing a strategy by hand.

Write a strategy from scratch

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