ATR-এর উপর ভিত্তি করে একাধিক প্রবণতা অনুসরণ কৌশল এবং স্টপ-প্রফিট এবং স্টপ-লস অপ্টিমাইজেশান সিস্টেম

/*backtest
start: 2019-12-23 08:00:00
end: 2024-11-11 00:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("Custom Buy BID Strategy", overlay=true, shorttitle="Buy BID by MR.STOCKVN")

// Cài đặt chỉ báo
Periods = input.int(title="ATR Period", defval=10)
src = input.source(hl2, title="Source")
Multiplier = input.float(title="ATR Multiplier", step=0.1, defval=3.0)
changeATR = input.bool(title="Change ATR Calculation Method?", defval=true)
showsignals = input.bool(title="Show Buy Signals?", defval=false)
highlighting = input.bool(title="Highlighter On/Off?", defval=true)
barcoloring = input.bool(title="Bar Coloring On/Off?", defval=true)

// Tính toán ATR
atr2 = ta.sma(ta.tr, Periods)
atr = changeATR ? ta.atr(Periods) : atr2

// Tính toán mức giá mua bán dựa trên ATR
up = src - (Multiplier * atr)
up1 = nz(up[1], up)
up := close[1] > up1 ? math.max(up, up1) : up

dn = src + (Multiplier * atr)
dn1 = nz(dn[1], dn)
dn := close[1] < dn1 ? math.min(dn, dn1) : dn

trend = 1
trend := nz(trend[1], trend)
trend := trend == -1 and close > dn1 ? 1 : trend == 1 and close < up1 ? -1 : trend

// Vẽ xu hướng
upPlot = plot(trend == 1 ? up : na, title="Up Trend", style=plot.style_line, linewidth=2, color=color.green)
buySignal = trend == 1 and trend[1] == -1

// Hiển thị tín hiệu mua
plotshape(buySignal ? up : na, title="UpTrend Begins", location=location.absolute, style=shape.circle, size=size.tiny, color=color.green, transp=0)
plotshape(buySignal and showsignals ? up : na, title="Buy", text="Buy", location=location.absolute, style=shape.labelup, size=size.tiny, color=color.green, textcolor=color.white, transp=0)

// Cài đặt màu cho thanh nến
mPlot = plot(ohlc4, title="", style=plot.style_circles, linewidth=0)
longFillColor = highlighting ? (trend == 1 ? color.green : color.white) : color.white
fill(mPlot, upPlot, title="UpTrend Highlighter", color=longFillColor)

// Điều kiện thời gian giao dịch
FromMonth = input.int(defval=9, title="From Month", minval=1, maxval=12)
FromDay = input.int(defval=1, title="From Day", minval=1, maxval=31)
FromYear = input.int(defval=2018, title="From Year", minval=999)
ToMonth = input.int(defval=1, title="To Month", minval=1, maxval=12)
ToDay = input.int(defval=1, title="To Day", minval=1, maxval=31)
ToYear = input.int(defval=9999, title="To Year", minval=999)
start = timestamp(FromYear, FromMonth, FromDay, 00, 00)
finish = timestamp(ToYear, ToMonth, ToDay, 23, 59)

// Cửa sổ thời gian giao dịch
window() => (time >= start and time <= finish)

// Điều kiện vào lệnh Buy
longCondition = buySignal
if (longCondition)
    strategy.entry("BUY", strategy.long, when=window())

// Điều kiện chốt lời và cắt lỗ có thể điều chỉnh
takeProfitPercent = input.float(5, title="Take Profit (%)") / 100
stopLossPercent = input.float(2, title="Stop Loss (%)") / 100

// Tính toán giá trị chốt lời và cắt lỗ dựa trên giá vào lệnh
if (strategy.position_size > 0)
    strategy.exit("Take Profit", "BUY", limit=strategy.position_avg_price * (1 + takeProfitPercent), stop=strategy.position_avg_price * (1 - stopLossPercent))

// Màu nến theo xu hướng
buy1 = ta.barssince(buySignal)
color1 = buy1[1] < na ? color.green : na
barcolor(barcoloring ? color1 : na)