Strategi ini melaksanakan perdagangan corak harga dengan mengenal pasti corak candlestick. Ia mencari corak pinbar terdekat dan pergi panjang atau pendek berdasarkan isyarat. Pedagang boleh menetapkan mengambil keuntungan dan stop loss kelipatan.
Tentukan sama ada lilin semasa memenuhi keperluan pinbar - badan di separuh bawah, dekat dan terbuka berhampiran rendah. Isyarat panjang adalah sebaliknya - badan di separuh atas, dekat / terbuka berhampiran tinggi. Cari lilin isyarat terakhir dan mengira ketinggian badannya. Tetapkan mengambil keuntungan kepada N kali ketinggian, dan hentikan kerugian kepada M kali ketinggian (M < N).
Selepas masuk, mula mengikuti hentian. terus bergerak mengambil keuntungan ke arah keuntungan sambil mengekalkan hentian kerugian, sehingga salah satu dipukul.
Risiko boleh dikurangkan melalui pengoptimuman parameter, menambah penunjuk dan lain-lain.
Strategi ini mengenal pasti peluang melalui pengiktirafan corak dengan hasil backtest yang baik. Hentian yang munasabah mengawal risiko perdagangan. Penyempurnaan lanjut seperti pengoptimuman parameter dapat menjadikannya sistem yang mudah dan praktikal.
/*backtest
start: 2023-09-10 00:00:00
end: 2023-09-17 00:00:00
period: 5m
basePeriod: 1m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=5
//
// Pinbar strategy script by samgozman (https://github.com/samgozman)
//
// Detailed instruction how to use this script: https://github.com/samgozman/pinbar-strategy-tradingview
//
// If you liked the script and want to support me: https://paypal.me/sgozman
//
// ++++++++++ Warning: The script is provided for educational purposes only. ++++++++++ //
strategy('Pinbar strategy', default_qty_type=strategy.percent_of_equity, default_qty_value=100, initial_capital=10000)
profitMultiplier = input.float(2.0, "Profit multiplier", minval=0.1, step=0.1, group="Profit options", tooltip="X times signal candle size from high")
lossMultiplier = input.float(1.0, "Loss multiplier", minval=0.1, step=0.1, group="Profit options", tooltip="X times signal candle size from low")
isTrailingStop = input.bool(true, "Use trailing stops?", group="Trading options", tooltip="Highly recommended!")
isCloseOnOppositSignal = input.bool(false, "Close trade if opposit signal occures?", group="Trading options", tooltip="Close long on short signal")
isLongEligible = input.bool(true, "Enter long trades?", group="Trading options")
isShortEligible = input.bool(true, "Enter short trades?", group="Trading options")
useDateFilter = input.bool(true, title="Begin Backtest at Start Date", group="Backtest Time Period")
backtestStartDate = input(timestamp("1 Jan 2021"), title="Start Date", group="Backtest Time Period")
// Predefined time trading zone for back testing
inTradeWindow = true
// HELPER FUNCTIONS //
// calculate candle size for N bars back. Use 0 for current
calcCandle(int periods) =>
math.abs(high[periods] - low[periods])
// if body is below 50% and close/open below 30%
isBearishPinbar(float candle) =>
lower30 = low + candle * 0.30
bottomHalf1 = close < hl2
bottomHalf2 = open < hl2
lowerRegion1 = close < lower30
lowerRegion2 = open < lower30
con1 = bottomHalf1 and bottomHalf2
con2 = lowerRegion1 and lowerRegion2
con3 = high > high[1]
con1 and con2 and con3
// if body is above 50% and close/open above 30%
isBullishPinbar(float candle) =>
upper30 = high - candle * 0.30
topHalf1 = close > hl2
topHalf2 = open > hl2
upperRegion1 = close > upper30
upperRegion2 = open > upper30
con1 = topHalf1 and topHalf2
con2 = upperRegion1 and upperRegion2
con3 = low < low[1]
con1 and con2 and con3
barsSinceLastEntry() =>
strategy.opentrades > 0 ? bar_index - strategy.opentrades.entry_bar_index(strategy.opentrades - 1) : na
// Calculate trading signals
currentCandle = calcCandle(0)
longSignal = isBullishPinbar(currentCandle) and inTradeWindow
shortSignal = isBearishPinbar(currentCandle) and inTradeWindow
// ENTER THE TRADE //
if longSignal and isLongEligible
strategy.entry("buy", strategy.long, when = strategy.position_size == 0)
if shortSignal and isShortEligible
strategy.entry("sell", strategy.short, when = strategy.position_size == 0)
// CALCULATE STOPS //
barsSinceEntry = barsSinceLastEntry()
candleFromEntry = calcCandle(barsSinceEntry)
// long
long_take_limit = strategy.position_avg_price + (candleFromEntry*profitMultiplier)
long_target_percent_profit = long_take_limit / strategy.position_avg_price - 1
long_target_percent_loss = (long_target_percent_profit / profitMultiplier) * lossMultiplier
long_stop_limit = low[barsSinceEntry] * (1 - long_target_percent_loss)
//short
short_take_limit = strategy.position_avg_price - (candleFromEntry*profitMultiplier)
short_target_percent_profit = strategy.position_avg_price / short_take_limit - 1
short_target_percent_loss = (short_target_percent_profit / profitMultiplier) * lossMultiplier
short_stop_limit = high[barsSinceEntry] * (1 + short_target_percent_loss)
// EXIT THE TRADE //
if strategy.position_size > 0 or strategy.position_size < 0
if isTrailingStop
strategy.exit(id="exit", from_entry="buy", trail_price = long_take_limit, stop=long_stop_limit)
strategy.exit(id="exit", from_entry="sell", trail_price = short_take_limit, stop=short_stop_limit)
else
strategy.exit(id="exit", from_entry="buy", limit = long_take_limit, stop=long_stop_limit)
strategy.exit(id="exit", from_entry="sell", limit = short_take_limit, stop=short_stop_limit)
if isCloseOnOppositSignal
strategy.close("buy", when = shortSignal)
strategy.close("sell", when = longSignal)
// PLOT SIGNALS //
plotshape(longSignal, style=shape.arrowup, color=color.new(color.green, 0), size=size.large, location=location.belowbar)
plotshape(shortSignal, style=shape.arrowdown, color=color.new(color.red, 0), size=size.large, location=location.abovebar)