تحليل الحجم

//@version=6
strategy("Volume Analysis", overlay=true)
obv = ta.obv(close, volume)
obvEma = ta.ema(obv, 21)
trend = ta.ema(close, 50)
longSignal = ta.crossover(obv, obvEma) and close > trend
exitSignal = ta.crossunder(obv, obvEma) or close < trend
if longSignal
  strategy.entry("Long", strategy.long)
if exitSignal
  strategy.close("Long")
plot(obv, "OBV", color=color.aqua)
plot(obvEma, "OBV EMA", color=color.orange)

def obv = OnBalanceVolume();
def obvAvg = ExpAverage(obv, 21);
def trend = ExpAverage(close, 50);
def buySignal = obv crosses above obvAvg and close > trend;
def sellSignal = obv crosses below obvAvg or close < trend;
AddOrder(OrderType.BUY_AUTO, buySignal, close, 1, Color.GREEN, Color.GREEN, "Volume Buy");
AddOrder(OrderType.SELL_AUTO, sellSignal, close, 1, Color.RED, Color.RED, "Volume Exit");
plot OBVLine = obv;
OBVLine.SetDefaultColor(Color.CYAN);
plot OBVAvg = obvAvg;
OBVAvg.SetDefaultColor(Color.ORANGE);