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EMA and Supertrend Combination Quantitative Trading Strategy

Author: ChaoZhang, Date: 2024-06-17 16:52:17
Tags: EMA

Overview

This strategy combines the Exponential Moving Average (EMA) and the Supertrend indicator to generate buy and sell signals. A buy signal is generated when the price breaks above the 20-day EMA and the Supertrend indicator is in a bullish trend. A sell signal is generated when the price breaks below the 20-day EMA and the Supertrend indicator is in a bearish trend. The strategy aims to capture trending market conditions while using the EMA as a filtering condition to reduce false signals.

Strategy Principle

Calculate the 20-day EMA as a filtering condition for trend determination.
Calculate the Supertrend indicator, which plots upper and lower bands based on the Average True Range (ATR) and the bullish/bearish trend.
Generate buy and sell signals based on the trend direction of the Supertrend indicator and the relative position of the price to the 20-day EMA:
- A buy signal is generated when the price breaks above the 20-day EMA and the Supertrend indicator is in a bullish trend.
- A sell signal is generated when the price breaks below the 20-day EMA and the Supertrend indicator is in a bearish trend.
The strategy enters a long position on a buy signal and exits on a sell signal.

Strategy Advantages

By combining the EMA and the Supertrend indicator, the strategy can effectively capture trending market conditions while reducing false signals.
The Supertrend indicator is based on ATR, which allows it to dynamically adjust the distance between the upper and lower bands, adapting to different market volatilities.
Using the EMA as a filtering condition for trend determination ensures that positions are opened in the direction of the trend, increasing the win rate of the strategy.
The strategy logic is simple and straightforward, making it easy to understand and implement.

Strategy Risks

In a choppy market, the strategy may generate frequent buy and sell signals, leading to excessive trading and transaction cost erosion.
The strategy relies on the EMA and the Supertrend indicator, which may become ineffective or lag in certain market conditions.
The strategy does not consider risk management, such as stop-loss and position sizing, which may result in significant drawdowns during highly volatile market conditions.

Strategy Optimization Directions

Incorporate a stop-loss mechanism, such as setting a dynamic stop-loss based on ATR, to control the maximum loss per trade.
Optimize the parameters of the EMA and the Supertrend indicator, such as using parameter optimization methods to find the optimal parameter combination, enhancing the adaptability and stability of the strategy.
Introduce position sizing by dynamically adjusting the position size based on market volatility or account profit and loss, to manage overall risk.
Consider adding other filtering conditions, such as trading volume, volatility, etc., to further reduce false signals.

Summary

This strategy generates buy and sell signals by combining the 20-day EMA and the Supertrend indicator, aiming to capture trending market conditions. The strategy’s advantages lie in its simplicity and the combination of EMA and Supertrend indicator, which can effectively reduce false signals. However, in choppy markets, the strategy may trade frequently and lacks risk management measures. Future improvements can consider incorporating stop-loss, position sizing, and parameter optimization methods to enhance the strategy. Overall, this strategy provides a simple and effective approach to trend trading, but further optimization and refinement are needed for practical application.

/*backtest
start: 2023-06-11 00:00:00
end: 2024-06-16 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("20 EMA and Supertrend Strategy", overlay=true)

// Inputs
emaLength = input(20, title="EMA Length")
supertrendMultiplier = input.float(3.0, title="Supertrend Multiplier")
supertrendPeriod = input(10, title="Supertrend Period")

// EMA Calculation
ema = ta.ema(close, emaLength)

// Supertrend Calculation
Periods = supertrendPeriod
src = hl2
Multiplier = supertrendMultiplier
changeATR= input.bool(true, title="Change ATR Calculation Method?")
showsignals = input.bool(true, title="Show Buy/Sell Signals?")
highlighting = input.bool(true, title="Highlighter On/Off?")
atr2 = ta.sma(ta.tr, Periods)
atr = changeATR ? ta.atr(Periods) : atr2
up = src - (Multiplier * atr)
up1 = na(up[1]) ? up : up[1]
up := close[1] > up1 ? math.max(up, up1) : up
dn = src + (Multiplier * atr)
dn1 = na(dn[1]) ? dn : dn[1]
dn := close[1] < dn1 ? math.min(dn, dn1) : dn
trend = 1
trend := na(trend[1]) ? trend : trend[1]
trend := trend == -1 and close > dn1 ? 1 : trend == 1 and close < up1 ? -1 : trend
upPlot = plot(trend == 1 ? up : na, title="Up Trend", style=plot.style_linebr, linewidth=2, color=color.green)
buySignal = trend == 1 and trend[1] == -1
plotshape(series=buySignal ? up : na, title="UpTrend Begins", location=location.absolute, style=shape.circle, size=size.tiny, color=color.new(color.green, 0))
plotshape(series=buySignal and showsignals ? up : na, title="Buy", text="Buy", location=location.absolute, style=shape.labelup, size=size.tiny, color=color.new(color.green, 0), textcolor=color.white)
dnPlot = plot(trend == 1 ? na : dn, title="Down Trend", style=plot.style_linebr, linewidth=2, color=color.red)
sellSignal = trend == -1 and trend[1] == 1
plotshape(series=sellSignal ? dn : na, title="DownTrend Begins", location=location.absolute, style=shape.circle, size=size.tiny, color=color.new(color.red, 0))
plotshape(series=sellSignal and showsignals ? dn : na, title="Sell", text="Sell", location=location.absolute, style=shape.labeldown, size=size.tiny, color=color.new(color.red, 0), textcolor=color.white)
mPlot = plot(ohlc4, title="", style=plot.style_circles, linewidth=1)
longFillColor = highlighting ? (trend == 1 ? color.new(color.green, 90) : color.new(color.white, 0)) : color.new(color.white, 0)
shortFillColor = highlighting ? (trend == -1 ? color.new(color.red, 90) : color.new(color.white, 0)) : color.new(color.white, 0)
fill(mPlot, upPlot, title="UpTrend Highlighter", color=longFillColor)
fill(mPlot, dnPlot, title="DownTrend Highlighter", color=shortFillColor)
alertcondition(buySignal, title="SuperTrend Buy", message="SuperTrend Buy!")
alertcondition(sellSignal, title="SuperTrend Sell", message="SuperTrend Sell!")
changeCond = trend != trend[1]
alertcondition(changeCond, title="SuperTrend Direction Change", message="SuperTrend has changed direction!")

// Buy and Sell Signals based on EMA and Supertrend
buySignalEMA = ta.crossover(close, ema) and trend == 1
sellSignalEMA = ta.crossunder(close, ema) and trend == -1

// Plot EMA
plot(ema, color=color.blue, title="20 EMA")

// Plot Buy and Sell Signals
plotshape(series=buySignalEMA, location=location.belowbar, color=color.green, style=shape.labelup, title="Buy Signal", text="BUY")
plotshape(series=sellSignalEMA, location=location.abovebar, color=color.red, style=shape.labeldown, title="Sell Signal", text="SELL")

// Strategy Entries and Exits
if (buySignalEMA)
    strategy.entry("Buy", strategy.long)

if (sellSignalEMA)
    strategy.close("Buy")

template: strategy.tpl:40:21: executing "strategy.tpl" at <.api.GetStrategyListByName>: wrong number of args for GetStrategyListByName: want 7 got 6