Estratégia de acompanhamento de tendências combinada de EMA dupla e RSI

Autora:ChaoZhang, Data: 2024-01-18 15:51:06
Tags:

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Resumo

Esta estratégia combina o uso de indicadores duplos de EMA e RSI para identificar tendências de preços e tomar posições oportunas quando ocorrem inversões de tendência. Especificamente, a estratégia usa uma EMA de ciclo mais longo para julgar a direção da tendência principal, enquanto usa o indicador RSI para determinar condições de sobrecompra e sobrevenda de curto prazo.

Estratégia lógica

  1. Use uma EMA de 200 períodos para determinar a direção da tendência principal.

  2. Parâmetro do indicador RSI definido em 10 períodos.

  3. Quando a tendência principal estiver em alta (preço acima da linha EMA) e ocorrer um sinal de cruzamento do RSI abaixo de 40, vá longo.

  4. Quando a tendência principal for para baixo (preço abaixo da linha EMA) e o RSI cruzar acima do sinal de sobrecompra de 60, vá curto.

  5. Pegue o lucro para 2 vezes o stop loss para uma relação de risco-recompensa de 2:1.

Análise das vantagens

A maior vantagem desta estratégia é a combinação de indicadores de tendência e de reversão, o que permite entradas oportunas quando ocorrem retrações dentro das tendências, podendo, assim, ser obtido um melhor desempenho.

  1. Utilização de um sistema EMA duplo para determinar a direção da tendência primária para um acompanhamento eficaz da tendência.

  2. O indicador RSI identifica condições de sobrecompra/supervenda a curto prazo, facilitando o calendário de entrada.

  3. O indicador de stop loss definido através do ATR adapta-se à volatilidade do mercado para um melhor controlo do risco.

  4. Seguir rigorosamente os princípios da negociação de tendências reduz os negócios desnecessários e o risco do sistema.

Análise de riscos

Os principais riscos desta estratégia incluem:

  1. Os falsos sinais de negociação podem ocorrer quando a tendência enfraquece e os preços oscilam.

  2. Os mecanismos de stop loss definidos pelo ATR podem ser demasiado amplos ou demasiado estreitos em condições de mercado extremas.

  3. Uma frequência de sinal potencialmente elevada requer a correspondência da preferência pessoal de frequência de negociação.

  4. A adequação dos parâmetros do RSI deve ser monitorizada para uma otimização oportuna.

Orientações de otimização

As principais direcções de otimização incluem:

  1. Teste adicionando outros indicadores de tendência como o MACD para ajudar no julgamento da tendência.

  2. Teste combinando RSI com outros indicadores de reversão como KDJ, Bollinger Bands para melhores sinais.

  3. Introduzir algoritmos de aprendizagem automática para ajustes dinâmicos de parâmetros e para a tomada de lucros/perdas de parada adaptativa.

  4. Incorporar mais fatores como sentimentos, notícias para maior robustez do sistema.

Conclusão

Em geral, esta é uma estratégia de curto prazo muito típica que combina rastreamento de tendências e indicadores de reversão. Ele julga a tendência principal com EMA dupla e capta oportunidades de retração dentro das tendências usando as características de reversão do RSI. Em princípio, esta estratégia combina os pontos fortes de diferentes indicadores para efeitos complementares muito bons.


/*backtest
start: 2024-01-10 00:00:00
end: 2024-01-14 13:00:00
period: 5m
basePeriod: 1m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © kevinmck100

// @description
// This strategy is intended to be used as a base template for building new strategies.
//
// It incorporates the following features:
//
//      - Risk management:  Configurable X% loss per stop loss
//                          Configurable R:R ratio
//
//      - Trade entry:      Calculated position size based on risk tolerance
//
//      - Trade exit:       Stop Loss currently configurable ATR multiplier but can be replaced based on strategy
//                          Take Profit calculated from Stop Loss using R:R ratio
//
//      - Backtesting:      Configurable backtesting range by date
//
//      - Trade drawings:   TP/SL boxes drawn for all trades. Can be turned on and off
//                          Trade exit information labels. Can be turned on and off
//                          NOTE: Trade drawings will only be applicable when using overlay strategies
//
//      - Debugging:        Includes section with useful debugging techniques
//
// Strategy conditions:
//
//      - Trade entry:      LONG:   C1: Price is above EMA line
//                                  C2: RSI is crossing out of oversold area
//                          SHORT:  C1: Price is below EMA line
//                                  C2: RSI is crossing out of overbought area
//
//      - Trade exit:       Stop Loss:      Stop Loss ATR multiplier is hit
//                          Take Profit:    R:R multiplier * Stop Loss is hit
//
// The idea is to use RSI to catch pullbacks within the main trend. Note that
// this strategy is intended to be a simple base strategy for building upon.
// It was not designed to be traded in its current form.

//@version=5
INITIAL_CAPITAL = 1000
DEFAULT_COMMISSION = 0.02
MAX_DRAWINGS = 500
IS_OVERLAY = true

strategy("Risk Management Strategy Template", "Strategy Template", overlay = IS_OVERLAY, initial_capital = INITIAL_CAPITAL, currency = currency.NONE, max_labels_count = MAX_DRAWINGS, max_boxes_count = MAX_DRAWINGS, max_lines_count = MAX_DRAWINGS, default_qty_type = strategy.cash, commission_type = strategy.commission.percent, commission_value = DEFAULT_COMMISSION)

// =============================================================================
// INPUTS
// =============================================================================

// ------------------------ Replacable section - Start -------------------------
// ------------------
// Indicator Settings
// ------------------
emaLength           = input.int (200,   "EMA Length          ",             group = "Indicators: Settings",         inline = "IS1", minval = 1,                 tooltip = "EMA line to identify trend direction. Above EMA trend line is bullish. Below EMA trend line is bearish")
rsiLength           = input.int (10,    "RSI Length            ",           group = "Indicators: Settings",         inline = "IS2", minval = 1)

// ----------------------
// Trade Entry Conditions
// ----------------------
rsiOverbought       = input.int (60,    "RSI Overbought        ",           group = "Strategy: Conditions",         inline = "SC1", minval = 50, maxval = 100,  tooltip = "RSI overbought level used to identify pullbacks within the main trend. RSI crossing BELOW this level triggers a SHORT when in a DOWN trend")
rsiOversold         = input.int (40,    "RSI Oversold          ",           group = "Strategy: Conditions",         inline = "SC2", minval = 0,  maxval = 50,   tooltip = "RSI overbought level used to identify pullbacks within the main trend. RSI crossing ABOVE this level triggers a LONG when in an UP trend")

// ---------------------
// Trade Exit Conditions
// ---------------------
atrLength           = input.int  (14,   "Stop Loss ATR Length      ",       group = "Strategy: Exit Conditions",    inline = "EC1", minval = 0,                 tooltip = "Length of ATR used to calculate Stop Loss.")
slAtrMultiplier     = input.float(4,    "Stop Loss ATR Multiplier     ",    group = "Strategy: Exit Conditions",    inline = "EC2", minval = 0, step = 0.1,     tooltip = "Size of StopLoss is determined by multiplication of ATR value. Take Profit is derived from this also by multiplying the StopLoss value by the Risk:Reward multiplier.")
// ------------------------- Replacable section - End --------------------------

// ---------------
// Risk Management
// ---------------
riskReward          = input.float(2,    "Risk : Reward        1 :",         group = "Strategy: Risk Management",    inline = "RM1", minval = 0, step = 0.1,     tooltip = "Previous high or low (long/short dependant) is used to determine TP level. 'Risk : Reward' ratio is then used to calculate SL based of previous high/low level.\n\nIn short, the higher the R:R ratio, the smaller the SL since TP target is fixed by previous high/low price data.")
accountRiskPercent  = input.float(1,    "Portfolio Risk %         ",        group = "Strategy: Risk Management",    inline = "RM1", minval = 0, step = 0.1,     tooltip = "Percentage of portfolio you lose if trade hits SL.\n\nYou then stand to gain\n  Portfolio Risk % * Risk : Reward\nif trade hits TP.")

// ----------
// Date Range
// ----------
startYear           = input.int (2022,  "Start Date       ",                group = 'Strategy: Date Range',         inline = 'DR1', minval    = 1900, maxval = 2100)
startMonth          = input.int (1,     "",                                 group = 'Strategy: Date Range',         inline = 'DR1', options   = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])
startDate           = input.int (1,     "",                                 group = 'Strategy: Date Range',         inline = 'DR1', options   = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31])
endYear             = input.int (2100,  "End Date      ",                   group = 'Strategy: Date Range',         inline = 'DR2', minval    = 1900, maxval = 2100)
endMonth            = input.int (1,     "",                                 group = 'Strategy: Date Range',         inline = 'DR2', options   = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])
endDate             = input.int (1,     "",                                 group = 'Strategy: Date Range',         inline = 'DR2', options   = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31])

// ----------------
// Drawing Settings
// ----------------
showTpSlBoxes       = input.bool(false,  "Show TP / SL Boxes",               group = "Strategy: Drawings",           inline = "D1",  tooltip = "Show or hide TP and SL position boxes.\n\nNote: TradingView limits the maximum number of boxes that can be displayed to 500 so they may not appear for all price data under test.")
showLabels          = input.bool(false, "Show Trade Exit Labels",           group = "Strategy: Drawings",           inline = "D2",  tooltip = "Useful labels to identify Profit/Loss and cumulative portfolio capital after each trade closes.\n\nAlso note that TradingView limits the max number of 'boxes' that can be displayed on a chart (max 500). This means when you lookback far enough on the chart you will not see the TP/SL boxes. However you can check this option to identify where trades exited.")

// =============================================================================
// INDICATORS
// =============================================================================

// ------------------------ Replacable section - Start -------------------------
// ---
// EMA
// ---
ema = ta.ema(close, emaLength)
plot(ema, "EMA Trend Line", color.white)

// ---
// RSI
// ---
rsi = ta.rsi(close, rsiLength)
// ------------------------- Replacable section - End --------------------------


// =============================================================================
// STRATEGY LOGIC
// =============================================================================

// ---------
// FUNCTIONS
// ---------

percentAsPoints(pcnt) =>
    math.round(pcnt / 100 * close / syminfo.mintick)
    
calcStopLossPrice(pointsOffset, isLong) =>
    priceOffset = pointsOffset * syminfo.mintick
    if isLong
        close - priceOffset
    else 
        close + priceOffset

calcProfitTrgtPrice(pointsOffset, isLong) =>
    calcStopLossPrice(-pointsOffset, isLong)
    
        
printLabel(barIndex, msg) => label.new(barIndex, close, msg)

printTpSlHitBox(left, right, slHit, tpHit, entryPrice, slPrice, tpPrice) => 
    if showTpSlBoxes
        box.new (left = left,   top = entryPrice,   right = right,  bottom = slPrice,   bgcolor = slHit ? color.new(color.red, 60)   : color.new(color.gray, 90), border_width = 0)
        box.new (left = left,   top = entryPrice,   right = right,  bottom = tpPrice,   bgcolor = tpHit ? color.new(color.green, 60) : color.new(color.gray, 90), border_width = 0)
        line.new(x1 = left,     y1 = entryPrice,    x2 = right,     y2 = entryPrice,    color = color.new(color.yellow, 20))
        line.new(x1 = left,     y1 = slPrice,       x2 = right,     y2 = slPrice,       color = color.new(color.red, 20))
        line.new(x1 = left,     y1 = tpPrice,       x2 = right,     y2 = tpPrice,       color = color.new(color.green, 20))
        
printTpSlNotHitBox(left, right, entryPrice, slPrice, tpPrice) => 
    if showTpSlBoxes
        box.new (left = left,   top = entryPrice,   right = right,  bottom = slPrice,   bgcolor = color.new(color.gray, 90), border_width = 0)
        box.new (left = left,   top = entryPrice,   right = right,  bottom = tpPrice,   bgcolor = color.new(color.gray, 90), border_width = 0)
        line.new(x1 = left,     y1 = entryPrice,    x2 = right,     y2 = entryPrice,    color = color.new(color.yellow, 20))
        line.new(x1 = left,     y1 = slPrice,       x2 = right,     y2 = slPrice,       color = color.new(color.red, 20))
        line.new(x1 = left,     y1 = tpPrice,       x2 = right,     y2 = tpPrice,       color = color.new(color.green, 20))
        
printTradeExitLabel(x, y, posSize, entryPrice, pnl) => 
    if showLabels
        labelStr = "Position Size: " + str.tostring(math.abs(posSize), "#.##") + "\nPNL: " + str.tostring(pnl, "#.##") + "\nCapital: " + str.tostring(strategy.equity, "#.##") + "\nEntry Price: " + str.tostring(entryPrice, "#.##")
        label.new(x = x, y = y, text = labelStr, color = pnl > 0 ? color.new(color.green, 60) : color.new(color.red, 60), textcolor = color.white, style = label.style_label_down)

// ----------
// CONDITIONS
// ----------

inDateRange         = time >= timestamp(syminfo.timezone, startYear, startMonth, startDate, 0, 0) and time < timestamp(syminfo.timezone, endYear, endMonth, endDate, 0, 0)

// ------------------------ Replacable section - Start -------------------------
// Condition 1: Price above EMA indicates bullish trend, price below EMA indicates bearish trend
bullEma             = close > ema
bearEma             = close < ema

// Condition 2: RSI crossing back from overbought/oversold indicates pullback within trend
bullRsi             = ta.crossover  (rsi, rsiOversold)
bearRsi             = ta.crossunder (rsi, rsiOverbought)

// Combine all entry conditions
goLong              = inDateRange and bullEma and bullRsi
goShort             = inDateRange and bearEma and bearRsi
// ------------------------- Replacable section - End --------------------------

// Trade entry and exit variables
var tradeEntryBar   = bar_index
var profitPoints    = 0.
var lossPoints      = 0.
var slPrice         = 0.
var tpPrice         = 0.
var inLong          = false
var inShort         = false

// Entry decisions
openLong            = (goLong and not inLong)
openShort           = (goShort and not inShort)
flippingSides       = (goLong and inShort) or (goShort and inLong)
enteringTrade       = openLong or openShort
inTrade             = inLong or inShort

// ------------------------ Replacable section - Start -------------------------
// Exit calculations
atr                 = ta.atr(atrLength)
slAmount            = atr * slAtrMultiplier
slPercent           = math.abs((1 - (close - slAmount) / close) * 100)
tpPercent           = slPercent * riskReward
// ------------------------- Replacable section - End --------------------------

// Risk calculations
riskAmt             = strategy.equity * accountRiskPercent / 100
entryQty            = math.abs(riskAmt / slPercent * 100)  / close

if openLong
    if strategy.position_size < 0
        printTpSlNotHitBox(tradeEntryBar + 1, bar_index + 1, strategy.position_avg_price, slPrice, tpPrice)
        printTradeExitLabel(bar_index + 1, math.max(tpPrice, slPrice), strategy.position_size, strategy.position_avg_price, strategy.openprofit)
    strategy.entry("Long", strategy.long, qty = entryQty, alert_message = "Long Entry")
    enteringTrade   := true
    inLong          := true
    inShort         := false

if openShort
    if strategy.position_size > 0
        printTpSlNotHitBox(tradeEntryBar + 1, bar_index + 1, strategy.position_avg_price, slPrice, tpPrice)
        printTradeExitLabel(bar_index + 1, math.max(tpPrice, slPrice), strategy.position_size, strategy.position_avg_price, strategy.openprofit)
    strategy.entry("Short", strategy.short, qty = entryQty, alert_message = "Short Entry")
    enteringTrade   := true
    inShort         := true
    inLong          := false

if enteringTrade
    profitPoints    := percentAsPoints(tpPercent)
    lossPoints      := percentAsPoints(slPercent)
    slPrice         := calcStopLossPrice(lossPoints, openLong)
    tpPrice         := calcProfitTrgtPrice(profitPoints, openLong)
    tradeEntryBar   := bar_index

strategy.exit("TP/SL", profit = profitPoints, loss = lossPoints, comment_profit = "TP Hit", comment_loss = "SL Hit", alert_profit = "TP Hit Alert", alert_loss = "SL Hit Alert")

// =============================================================================
// DRAWINGS
// =============================================================================

// -----------
// TP/SL Boxes
// -----------

slHit           = (inShort and high >= slPrice) or (inLong  and low <= slPrice)
tpHit           = (inLong  and high >= tpPrice) or (inShort and low <= tpPrice)
exitTriggered   = slHit or tpHit
entryPrice      = strategy.closedtrades.entry_price (strategy.closedtrades - 1)
pnl             = strategy.closedtrades.profit      (strategy.closedtrades - 1)
posSize         = strategy.closedtrades.size        (strategy.closedtrades - 1)

// Print boxes for trades closed at profit or loss
if (inTrade and exitTriggered) 
    inShort    := false
    inLong     := false 
    printTpSlHitBox(tradeEntryBar + 1, bar_index, slHit, tpHit, entryPrice, slPrice, tpPrice)
    printTradeExitLabel(bar_index, math.max(tpPrice, slPrice), posSize, entryPrice, pnl)

// Print TP/SL box for current open trade
if barstate.islastconfirmedhistory and strategy.position_size != 0
    printTpSlNotHitBox(tradeEntryBar + 1, bar_index + 1, strategy.position_avg_price, slPrice, tpPrice)
    
// =============================================================================
// DEBUGGING
// =============================================================================

// Data window plots
plotchar(slPrice,    "Stop Loss Price",     "")
plotchar(tpPrice,    "Take Profit Price",   "")

// Label plots
plotDebugLabels = false
if plotDebugLabels
    if bar_index == tradeEntryBar 
        printLabel(bar_index, "Position size: " + str.tostring(entryQty * close, "#.##"))


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