This article explains in detail a quantitative trading strategy combining the Stoch indicator and EMA moving average. It generates trading signals based on Stoch values and uses EMA to filter out non-mainstream signals.
I. Strategy Logic
The main tools and logic are:
Calculate Stoch indicator with K and D values, where K reflects fast price changes and D is the smoothed signal.
Set overbought/oversold zones for the Stoch. Signals are based on relative values of K and D.
Compute EMA over a period to gauge the price mainstream trend.
Only take trades when Stoch signals agree with EMA direction.
Establish long/short positions on signals with stop loss and take profit.
Together, Stoch captures overbought/oversold opportunities and EMA filters out invalid signals, forming a robust strategy.
II. Advantages of the Strategy
The biggest advantage is the complementarity of indicators. Stoch judges O/S levels and EMA the mainstream trend, combining to reduce mistakes.
Also, adjustable K/D values allow optimization across different products.
Finally, the stop loss/take profit clearly defines risk/reward for prudent money management.
III. Potential Weaknesses
However, some potential issues are:
Firstly, both Stoch and EMA can lag, causing missed optimal entries.
Secondly, tight stops may prematurely trigger many invalidations.
Lastly, extensive parameter optimization is required to avoid overfitting.
IV. Summary
In summary, this article has explained a quantitative strategy combining Stoch and EMA. It identifies overbought/oversold reversal chances, with EMA filtering out invalid signals. With proper tuning, this strategy can achieve steady profits but needs to manage the mentioned risks.
/*backtest
start: 2023-08-15 00:00:00
end: 2023-08-26 00:00:00
period: 1h
basePeriod: 15m
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/
//@version=5
strategy(title="EMA Stoch Strategy For ProfitView", overlay=true, calc_on_every_tick=true, process_orders_on_close=true, default_qty_type=strategy.percent_of_equity, default_qty_value=100, commission_type=strategy.commission.percent, commission_value=0.1, initial_capital=1000)
// take profit e stop loss
TakeProfitPercent = input.float(defval = 0.0, title="Take Profit (%) [0 = Disabled]",minval = 0, step=.25,group='TP / SL')
StopLossPercent = input.float(defval = 0.0, title="Stop Loss (%) [0 = Disabled]",minval = 0, step=.25,group='TP / SL')
// Stoch
smoothK = input.int(1, title="K Smoothing", minval=1,group='Stochastic')
periodD = input.int(3, title="D Smoothing", minval=1,group='Stochastic')
lenghtRSI= input.int(14, "RSI Length", minval=1)
lenghtStoch = input.int(14, "Stochastic Length", minval=1)
src = input(close, title="RSI Source")
rsi1 = ta.rsi(src, lenghtRSI)
k = ta.sma(ta.stoch(rsi1, rsi1, rsi1, lenghtStoch), smoothK)
d = ta.sma(k, periodD)
plot(k, title="K", color=#2962FF)
plot(d, title="D", color=#FF6D00)
// bgcolor(color=color.from_gradient(k, 0, 100, color.new(#2962FF, 100), color.new(#2962FF, 95)), title="K BG")
// bgcolor(color=color.from_gradient(d, 0, 100, color.new(#FF6D00, 100), color.new(#FF6D00, 95)), title="D BG")
// ema
src1= input(close,title='Source EMA ',group='EMA')
len1= input(200,title='Length EMA ',group='EMA')
ema1= ta.ema(src1,len1)
plot(ema1,title='EMA',color= color.blue ,linewidth=2)
// signals
LongVal= input(20,title='Stoch below/cross this value for Long signals',group='Signal Options')
scegliLong= input.string('Stoch Below Value', options= ['Stoch Below Value' , 'K&D Cross Below Value' , 'Stoch CrossUp the Value'] , title='Long Signal Type')
long1= scegliLong == 'Stoch Below Value' ? k < LongVal and d < LongVal and close > ema1 : na
long2= scegliLong == 'K&D Cross Below Value' ? ta.cross(k,d) and k < LongVal and d < LongVal and close > ema1 : na
long3= scegliLong == 'Stoch CrossUp the Value' ? ta.crossover(k,LongVal) and close > ema1 : na
shortVal= input(80,title='Stoch above/cross this value for Short signals',group='Signal Options')
scegliShort= input.string('Stoch Above Value', options= ['Stoch Above Value' , 'K&D Cross Above Value' , 'Stoch CrossDown the Value'] , title='Short Signal Type' )
short1= scegliShort == 'Stoch Above Value' ? k > shortVal and d > shortVal and close < ema1 : na
short2= scegliShort == 'K&D Cross Above Value' ? ta.cross(k,d) and k > shortVal and d > shortVal and close < ema1 : na
short3= scegliShort == 'Stoch CrossDown the Value' ? ta.crossunder(k,shortVal) and close < ema1 : na
// Strategy Backtest Limiting Algorithm/
i_startTime = input(defval = timestamp("01 Jan 2014 00:00 +0000"), title = "Backtesting Start Time", inline="timestart", group='Backtesting')
i_endTime = input(defval = timestamp("01 Jan 2100 23:59 +0000"), title = "Backtesting End Time", inline="timeend", group='Backtesting')
timeCond = true
pv_ex = input.string("deribit-testnet", title="Exchange", group='PV Settings')
pv_sym = input.string("btc-perpetual", title="Symbol", group='PV Settings')
pv_acc = input.string("", title="Account", group='PV Settings')
pv_alert_long = input.string("", title="PV Alert Name Longs", group='PV Settings')
pv_alert_short = input.string("", title="PV Alert Name Shorts", group='PV Settings')
pv_alert_cancel = input.string("", title="PV Alert Name TP/SL", group='PV Settings')
profit_abs = (close * (TakeProfitPercent / 100))
stop_abs = (close * (StopLossPercent / 100))
ProfitTarget = TakeProfitPercent > 0 ? profit_abs / syminfo.mintick : na
LossTarget = StopLossPercent > 0 ? stop_abs / syminfo.mintick : na
// Make sure we are within the bar range, Set up entries and exit conditions
var entryprice = 0.0
var profitprice = 0.0
var stopprice = 0.0
exsym = pv_ex == "" ? "" : "ex=" + pv_ex + ","
exsym := pv_sym == "" ? exsym : exsym + "sym=" + pv_sym
if ((long1 or long2 or long3) and timeCond and strategy.position_size <= 0)
strategy.entry("Long", strategy.long, when=barstate.isconfirmed)
entryprice := close
profitprice := entryprice+profit_abs
stopprice := entryprice-stop_abs
tpsl_str = TakeProfitPercent > 0 ? ",mytp=" + str.tostring(profitprice) : ""
tpsl_str := StopLossPercent > 0 ? tpsl_str + ",mysl=" + str.tostring(stopprice) : tpsl_str
alert(pv_alert_long + "(" + exsym + ",acc=" + pv_acc + tpsl_str + ")", alert.freq_once_per_bar_close)
if ((short1 or short2 or short3) and timeCond and strategy.position_size >= 0)
strategy.entry("Short", strategy.short, when=barstate.isconfirmed)
entryprice := close
profitprice := entryprice-profit_abs
stopprice := entryprice+stop_abs
tpsl_str = TakeProfitPercent > 0 ? ",mytp=" + str.tostring(profitprice) : ""
tpsl_str := StopLossPercent > 0 ? tpsl_str + ",mysl=" + str.tostring(stopprice) : tpsl_str
alert(pv_alert_short + "(" + exsym + ",acc=" + pv_acc + tpsl_str + ")", alert.freq_once_per_bar_close)
tpsl_hit_long = (strategy.position_size[1] > 0 and ((TakeProfitPercent > 0 and high > profitprice[1]) or (StopLossPercent > 0 and low < stopprice[1])))
tpsl_hit_short = (strategy.position_size[1] < 0 and ((TakeProfitPercent > 0 and low < profitprice[1]) or (StopLossPercent > 0 and high > stopprice[1])))
if (tpsl_hit_long or tpsl_hit_short)
alert(pv_alert_cancel + "(" + exsym + ",acc=" + pv_acc + ")", alert.freq_once_per_bar)
strategy.exit("Exit Long (TP/SL)", from_entry = "Long" , profit = ProfitTarget, loss = LossTarget)
strategy.exit("Exit Short (TP/SL)", from_entry = "Short", profit = ProfitTarget, loss = LossTarget)
plot(entryprice, title="Entry Price", color=strategy.opentrades > 0 ? color.gray : color.new(color.gray, 100))
plot(profitprice, title="Profit Price", color=strategy.opentrades > 0 and TakeProfitPercent > 0 ? color.green : color.new(color.green, 100))
plot(stopprice, title="Stop Price", color=strategy.opentrades > 0 and StopLossPercent > 0? color.red : color.new(color.red, 100))