
Đây là một chiến lược giao dịch định lượng dựa trên hình thức Three Line Strike và Engulfing Pattern. Chiến lược này nắm bắt các điểm thay đổi xu hướng thị trường bằng cách xác định ba hình thức K-line liên tiếp, kết hợp với nhiều chỉ số kỹ thuật để đưa ra quyết định giao dịch. Chiến lược này thiết kế hệ thống nhận dạng tín hiệu và cơ chế kiểm soát rủi ro hoàn chỉnh và cung cấp các thiết lập tham số có thể tùy chỉnh cao.
Lập luận cốt lõi của chiến lược dựa trên hai hình dạng K-line chính:
Chiến lược này nắm bắt được các bước ngoặt quan trọng của thị trường thông qua phương pháp phân tích kỹ thuật có hệ thống, có nền tảng lý thuyết và giá trị thực tế mạnh mẽ. Bằng cách tối ưu hóa tham số và kiểm soát rủi ro, nó có thể là một phần quan trọng của một hệ thống giao dịch vững chắc. Thiết kế mô đun của chiến lược cũng cung cấp nền tảng tốt cho việc tối ưu hóa hơn nữa.
This is a quantitative trading strategy based on Three Line Strike and Engulfing patterns. The strategy captures market turning points by identifying breakthrough reversal candlesticks following three consecutive candles, combining multiple technical indicators for trading decisions. It features a complete signal detection system and risk control mechanism, with highly customizable parameter settings.
The core logic is based on two main candlestick patterns:
The strategy captures important market turning points through systematic technical analysis, with strong theoretical foundation and practical value. Through parameter optimization and risk control refinement, it can serve as an important component of a robust trading system. The modular design also provides a good foundation for further optimization.
/*backtest
start: 2024-03-09 18:40:00
end: 2025-02-19 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Binance","currency":"ETH_USDT"}]
*/
// Copyright ...
// Based on the TMA Overlay by Arty, converted to a simple strategy example.
// Pine Script v5
//@version=5
strategy(title='3 Line Strike [TTF] - Strategy',
shorttitle='3LS Strategy [TTF]',
overlay=true,
initial_capital=100000,
default_qty_type=strategy.percent_of_equity,
default_qty_value=100,
pyramiding=0)
// -----------------------------------------------------------------------------
// INPUTS
// -----------------------------------------------------------------------------
//
// ### 3 Line Strike
//
showBear3LS = input.bool(title='Show Bearish 3 Line Strike', defval=true, group='3 Line Strike',
tooltip="Bearish 3 Line Strike (3LS-Bear) = 3 green candles followed by a large red candle (engulfing).")
showBull3LS = input.bool(title='Show Bullish 3 Line Strike', defval=true, group='3 Line Strike',
tooltip="Bullish 3 Line Strike (3LS-Bull) = 3 red candles followed by a large green candle (engulfing).")
showMemeChars = input.bool(title="Plot 3 Line Strike meme symbols", defval=false, group="3 Line Strike")
//
//### Engulfing Candles
//
showBearEngulfing= input.bool(title='Show Bearish Big Candles', defval=false, group='Big Candles')
showBullEngulfing= input.bool(title='Show Bullish Big Candles', defval=false, group='Big Candles')
//
//### Alerts
//
void = input.bool(title="(Info) Alerts are based on detected signals.", defval=true)
// -----------------------------------------------------------------------------
// HELPER FUNCTIONS
// -----------------------------------------------------------------------------
// Function: Get the 'color' of the candle: -1 = red, 0 = doji, +1 = green
getCandleColorIndex(barIndex) =>
int ret = na
if (close[barIndex] > open[barIndex])
ret := 1
else if (close[barIndex] < open[barIndex])
ret := -1
else
ret := 0
ret
// Function: Check if the candle is engulfing (based on the body size of the candles)
isEngulfing(checkBearish) =>
// Size of the previous candle
sizePrevCandle = close[1] - open[1]
// Size of the current candle
sizeCurrentCandle = close - open
isCurrentLargerThanPrevious = math.abs(sizeCurrentCandle) > math.abs(sizePrevCandle)
// Bearish / Bullish division
if checkBearish
// Bearish engulfing: previous green, current larger red
isGreenToRed = (getCandleColorIndex(0) < 0) and (getCandleColorIndex(1) > 0)
isCurrentLargerThanPrevious and isGreenToRed
else
// Bullish engulfing: previous red, current larger green
isRedToGreen = (getCandleColorIndex(0) > 0) and (getCandleColorIndex(1) < 0)
isCurrentLargerThanPrevious and isRedToGreen
// Simplified calls for bullish/bearish engulfing
isBearishEngulfing() => isEngulfing(true)
isBullishEngulfing() => isEngulfing(false)
// Function: 3 consecutive candles of one color followed by the opposite engulfing candle
// 3 Line Strike - Bearish
is3LSBear() =>
// Three consecutive green candles?
is3LineSetup = (getCandleColorIndex(1) > 0) and (getCandleColorIndex(2) > 0) and (getCandleColorIndex(3) > 0)
// Followed by Bearish engulfing
is3LineSetup and isBearishEngulfing()
// 3 Line Strike - Bullish
is3LSBull() =>
// Three consecutive red candles?
is3LineSetup = (getCandleColorIndex(1) < 0) and (getCandleColorIndex(2) < 0) and (getCandleColorIndex(3) < 0)
// Followed by Bullish engulfing
is3LineSetup and isBullishEngulfing()
// -----------------------------------------------------------------------------
// SIGNALS
// -----------------------------------------------------------------------------
// ### 3 Line Strike
is3LSBearSig = is3LSBear()
is3LSBullSig = is3LSBull()
// Meme icons vs. standard shapes
plotchar(showBull3LS and showMemeChars ? is3LSBullSig : na, char="🍆", color=color.rgb(0, 255, 0, 0),
location=location.belowbar, size=size.tiny, text='3LS-Bull', title='3 Line Strike Up (Meme Icon)', editable=false)
plotchar(showBear3LS and showMemeChars ? is3LSBearSig : na, char="🍑", color=color.rgb(255, 0, 0, 0),
location=location.abovebar, size=size.tiny, text='3LS-Bear', title='3 Line Strike Down (Meme Icon)', editable=false)
plotshape(showBull3LS and not showMemeChars ? is3LSBullSig : na, style=shape.triangleup,
color=color.green, location=location.belowbar, size=size.small, text='3LS-Bull', title='3 Line Strike Up')
plotshape(showBear3LS and not showMemeChars ? is3LSBearSig : na, style=shape.triangledown,
color=color.red, location=location.abovebar, size=size.small, text='3LS-Bear', title='3 Line Strike Down')
// ### Engulfing Candles
isBullEngulfingSig = isBullishEngulfing()
isBearEngulfingSig = isBearishEngulfing()
plotshape(showBullEngulfing ? isBullEngulfingSig : na, style=shape.triangleup,
location=location.belowbar, color=color.new(color.green,0), size=size.tiny, title='Big Candle Up')
plotshape(showBearEngulfing ? isBearEngulfingSig : na, style=shape.triangledown,
location=location.abovebar, color=color.new(color.red,0), size=size.tiny, title='Big Candle Down')
// -----------------------------------------------------------------------------
// ALERTS
// -----------------------------------------------------------------------------
// 3LS - "Old" alertcondition + "New" alert() (based on what people use)
alertcondition(showBull3LS and is3LSBullSig, title='Bullish 3 Line Strike',
message='{{exchange}}:{{ticker}} {{interval}} - Bullish 3 Line Strike')
alertcondition(showBear3LS and is3LSBearSig, title='Bearish 3 Line Strike',
message='{{exchange}}:{{ticker}} {{interval}} - Bearish 3 Line Strike')
if (showBull3LS and is3LSBullSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bullish 3 Line Strike'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
if (showBear3LS and is3LSBearSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bearish 3 Line Strike'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
// Engulfing - "Old" alertcondition + "New" alert()
alertcondition(showBullEngulfing and isBullEngulfingSig, title='Bullish Engulfing',
message='{{exchange}}:{{ticker}} {{interval}} - Bullish candle engulfing previous candle')
alertcondition(showBearEngulfing and isBearEngulfingSig, title='Bearish Engulfing',
message='{{exchange}}:{{ticker}} {{interval}} - Bearish candle engulfing previous candle')
if (showBullEngulfing and isBullEngulfingSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bullish candle engulfing previous candle'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
if (showBearEngulfing and isBearEngulfingSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bearish candle engulfing previous candle'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
// -----------------------------------------------------------------------------
// STRATEGY ENTRY ORDERS
// -----------------------------------------------------------------------------
//
// Logic for entering trades. If display is enabled and a signal is detected, a trade will be entered.
//
// 3 Line Strike
if (showBull3LS and is3LSBullSig)
strategy.entry("3LS_Bull", strategy.long, comment="3LS Bullish")
if (showBear3LS and is3LSBearSig)
strategy.entry("3LS_Bear", strategy.short, comment="3LS Bearish")
// Engulfing
if (showBullEngulfing and isBullEngulfingSig)
strategy.entry("BullEngulf", strategy.long, comment="Bullish Engulfing")
if (showBearEngulfing and isBearEngulfingSig)
strategy.entry("BearEngulf", strategy.short, comment="Bearish Engulfing")
//
// End of script