
Strategi ini adalah sistem perdagangan yang mengesan trend berdasarkan Bollinger Bands dan Bollinger Bands. Strategi ini mengenal pasti isyarat perdagangan dengan mengenal pasti tiga Bollinger Bands yang berturut-turut, dan digabungkan dengan kedudukan harga penutupan dalam entiti Bollinger Bands. Sistem ini menggunakan nisbah risiko keuntungan 1: 1 yang tetap untuk menguruskan hentian dan hentian setiap perdagangan.
Logik teras strategi adalah berdasarkan elemen utama berikut:
Ini adalah strategi pengesanan trend yang berstruktur, logik dan jelas. Dengan mekanisme pengesahan pelbagai bentuk Bollinger Bands Breakout dan Thread, risiko isyarat palsu dikurangkan secara berkesan. Tetapan nisbah keuntungan risiko tetap menyederhanakan pengurusan perdagangan, tetapi juga mengehadkan fleksibiliti strategi.
/*backtest
start: 2024-02-20 00:00:00
end: 2025-02-17 08:00:00
period: 12h
basePeriod: 12h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=6
strategy("Bollinger Band Strategy (Close Near High/Low Relative to Half Range)", overlay=true, default_qty_type=strategy.percent_of_equity, default_qty_value=200, pyramiding=0)
// Bollinger Bands
length = input.int(20, "BB Length")
mult = input.float(2.0, "BB StdDev")
basis = ta.sma(close, length)
upper_band = basis + mult * ta.stdev(close, length)
lower_band = basis - mult * ta.stdev(close, length)
// Plot Bollinger Bands
plot(upper_band, "Upper Band", color.blue)
plot(lower_band, "Lower Band", color.red)
// Buy Condition:
// 1. Last 3 candles close above upper band AND close > open for all 3 candles
// 2. Close is in the top half of the candle's range (close > (high + low) / 2)
buyCondition = close[2] > upper_band[2] and close[1] > upper_band[1] and close > upper_band and close[2] > open[2] and close[2] > (high[2] + low[2]) / 2 and close[1] > open[1] and close[1] > (high[1] + low[1]) / 2 and close > open and close > (high + low) / 2
// Sell Condition:
// 1. Last 3 candles close below lower band AND close < open for all 3 candles
// 2. Close is in the bottom half of the candle's range (close < (high + low) / 2)
sellCondition = close[2] < lower_band[2] and close[1] < lower_band[1] and close < lower_band and close[2] < open[2] and close[2] < (high[2] + low[2]) / 2 and close[1] < open[1] and close[1] < (high[1] + low[1]) / 2 and close < open and close < (high + low) / 2
// Initialize variables
var float stop_loss = na
var float target_price = na
// Buy Logic
if buyCondition and strategy.position_size == 0
stop_loss := low[2] // Low of the earliest candle in the 3-candle sequence
target_price := close + (close - stop_loss) // Risk-to-reward 1:1
strategy.entry("Buy", strategy.long)
strategy.exit("Exit Buy", "Buy", stop=stop_loss, limit=target_price)
label.new(bar_index, low, "▲", color=color.green, style=label.style_label_up, yloc=yloc.belowbar)
// Sell Logic
if sellCondition and strategy.position_size == 0
stop_loss := high[2] // High of the earliest candle in the 3-candle sequence
target_price := close - (stop_loss - close) // Risk-to-reward 1:1
strategy.entry("Sell", strategy.short)
strategy.exit("Exit Sell", "Sell", stop=stop_loss, limit=target_price)
label.new(bar_index, high, "▼", color=color.red, style=label.style_label_down, yloc=yloc.abovebar)
// Plotting
plot(upper_band, "Upper Band", color.blue)
plot(lower_band, "Lower Band", color.red)
plot(strategy.position_size > 0 ? stop_loss : na, "Buy SL", color.red, 2, plot.style_linebr)
plot(strategy.position_size > 0 ? target_price : na, "Buy Target", color.green, 2, plot.style_linebr)
plot(strategy.position_size < 0 ? stop_loss : na, "Sell SL", color.red, 2, plot.style_linebr)
plot(strategy.position_size < 0 ? target_price : na, "Sell Target", color.green, 2, plot.style_linebr)