我一直在尝试让 pine 脚本工作，但我有点卡住了。
我想测试的策略是：如果RSI低于60，价格高于200SMA，MACD交叉刚刚发生；买。实施 3% 的止损。如果利润为 3%，则卖出一半股票，并在剩余的一半上实施 2% 的追踪止损。
有什么想法吗？我无法正常完成交易。
//@version=4
strategy('MACDTester')
// Generate MACD Values
[macd_line, signal_line, hist_line] = macd(close, 12, 26, 9)
plot(hist_line, color=color.red, style=plot.style_histogram)
plot(macd_line, color=color.blue)
plot(signal_line, color=color.orange)
// Generate RSI Values
rsiSource = input(title="RSI Source", type=input.source, defval=close)
rsiLength = input(title="RSI Length", type=input.integer, defval=14)
rsi_value = rsi(rsiSource, rsiLength)
is_bull_trend = close > ema(close, 200)
buy_signal = is_bull_trend and crossover(macd_line, signal_line) and rsi_value <= 60
// Plot Buy Signals
plotshape(series=buy_signal, title="Long", style=shape.arrowup, location=location.bottom, color=color.green, size=size.small)
profit_exit_price = strategy.position_avg_price * (1 + .03)
stop_loss_price = strategy.position_avg_price * (1 - .05)
strategy.entry("buy", strategy.long, 1000.0, when=buy_signal)
if (strategy.position_size > 0)
strategy.exit("Stop Loss/TP","Simple SMA Entry", stop=stop_loss_price, limit=profit_exit_price)
// Implement 3% Profit Taking on half the shares
// Trailing Stop Loss for the remaining shares
// if price is at or below stop_loss_price then sell