Momentum Strategy Based on Double Bottom Breakout Model

Author: ChaoZhang, Date: 2023-12-21 15:16:24
Tags:

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Overview

This strategy is based on the double bottom model using technical indicators. It looks for breakthrough signals when the market is in an oversold state and a double bottom pattern is formed near the bottom area. The strategy combines multiple indicators to judge the overbought and oversold state of the market and generates buy signals when a double bottom forms. This strategy is mainly suitable for medium- and short-term trading.

Strategy Principle

This strategy mainly judges whether prices are forming a double bottom around key support levels and whether the market is in an oversold state. Specifically, the strategy uses the following indicators for judgment:

  1. RSI Indicator: When the RSI indicator shows the market is oversold, it is considered a buy signal.

  2. RVI Indicator: When the RVI indicator shows the market is oversold, it is considered a buy signal.

  3. MFI Indicator: When the MFI indicator shows the market is oversold, it is considered a buy signal.

  4. SAR Indicator: When prices break above the SAR indicator, it is considered a buy signal.

  5. SMA500 Indicator: When prices break above the SMA500 indicator, it is considered a buy signal.

This strategy takes into account the judgments of the multiple indicators above and generates buy signals when a double bottom pattern forms around key support levels.

Advantages of the Strategy

This strategy has the following advantages:

  1. Combining multiple indicators to judge market status makes signals more reliable.

  2. Generating buy signals when double bottoms form has a relatively high probability of profit.

  3. Using indicator combinations to judge oversold and overbought states avoids missing buy opportunities.

  4. Integrating the double bottom breakout model with indicator strategies combines the advantages of trend following and mean reversion trading.

  5. The strategy has large parameter optimization space and parameters can be adjusted for different markets.

Risks of the Strategy

The strategy also has the following risks:

  1. The risk of false signals from indicators, resulting in losses from buying. This can be reduced through parameter optimization.

  2. The risk that double bottoms fail to break through. Stop losses can be set to reduce per trade loss.

  3. The difficulty of high-dimensional parameter optimization is large and requires massive historical data support. Stepwise algorithms can be adopted for gradual optimization.

  4. Reliance on historical data for testing results, actual performance will differ. Validation is needed across different markets.

Optimization Directions

The main optimization directions for this strategy include:

  1. Optimizing the weights of buy indicators to determine the optimal weight combination.

  2. Optimizing indicator parameters to determine the best parameter combination.

  3. Adding stop loss strategies to reduce per trade loss.

  4. Increasing position management modules for more steady profits.

  5. Incorporating machine learning algorithms to build adaptive parameter optimization mechanisms.

Conclusion

This strategy integrates the double bottom breakout model and oversold indicator judgments, generating buy signals when double bottoms form around key support levels. It has large optimization space to adjust weights, parameters, stop losses, positions etc. for more stable and reliable strategies. It has high practical value.


/*backtest
start: 2023-12-13 00:00:00
end: 2023-12-20 00:00:00
period: 1m
basePeriod: 1m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/


//@version=5

strategy("UP & DOWN -  BNB/USDT 15min", shorttitle="U&D - BNB 15min", overlay=true, calc_on_order_fills=true, calc_on_every_tick=true, initial_capital = 1000,pyramiding = 40,backtest_fill_limits_assumption = 1, process_orders_on_close=true, currency = currency.USD, default_qty_type = strategy.cash, default_qty_value = 25, commission_type = strategy.commission.percent, commission_value = 0.1)

// This startergy optimized to BNB 15 min standerd candlestic chart and buy & sell signals were based on technical analysis. 

UP_DOWN = input.string( title='Trade in', options=['Only on Up Trends', 'Uptrend and down trend'], defval='Uptrend and down trend')  
var profit_cal = input.float( defval = 3.7, title = "Expected profit %", minval = 0.2, step = 0.1)

//Backtest dates
fromMonth = input.int(defval = 10,title = "From Month", minval = 1, maxval = 12, group = 'Time Period Values')
fromDay   = input.int(defval = 1,    title = "From Day", minval = 1, maxval = 31, group = 'Time Period Values')
fromYear  = input.int(defval = 2021, title = "From Year", minval = 1970, group = 'Time Period Values')
thruMonth = input.int(defval = 1,    title = "Thru Month", minval = 1, maxval = 12, group = 'Time Period Values')
thruDay   = input.int(defval = 1,    title = "Thru Day", minval = 1, maxval = 31, group = 'Time Period Values')
thruYear  = input.int(defval = 2112, title = "Thru Year", minval = 1970, group = 'Time Period Values')

//showDate  = input(defval = true, title = "Show Date Range", group = 'Time Period Values')

start     = timestamp(fromYear, fromMonth, fromDay, 00, 00)        // backtest start window
finish    = timestamp(thruYear, thruMonth, thruDay, 23, 59)        // backtest finish window
window()  => true
    
// inputs
//Inputs of SAR Indicator
sar1 = input.float(defval=0.0002, title='SAR value 1',step=0.0001, group = 'SAR Values')
sar2 = input.float(defval=0.0004, title='SAR value 2',step=0.0001, group = 'SAR Values')
sar3 = input.float(defval=0.1, title='SAR value 3',step=0.1, group = 'SAR Values')
src_close = input(close, "SAR Source - close", group = 'SAR Values')
src_open = input(open, "SAR Source - open", group = 'SAR Values')
bool sar_visible = input(false, "Show SAR",group = 'SAR Values' )
// Inputs of Super trend indicator
ST_T = input.int(defval=16, title = 'Supertrend - Trend', step =1, group = 'Super Trend')
ST_D = input.int(defval=7, title = 'Supertrend - Direction', step =1, group = 'Super Trend')
ST_SMA = input.int(defval=1, title = 'Supertrend - SMA', step = 1, group = 'Super Trend')
bool ST_visible = input(false, "Show Super Trend",group = 'Super Trend' )
//Inputs of SMA500 indicator
src_sma500 = input(high, 'SMA500 - Source', group = 'SMA500')
lb_sma500 = input.int(defval = 143, title = 'SMA500 - Look back period', step=10, group = 'SMA500')
bool sma500_visible = input(false, "Show SMA500",group = 'SMA500' )


// Calculations
// SMA500 Indicator
SMA500 = ta.sma(src_sma500,lb_sma500)
SMA700 = ta.sma(close,700)
SMA_Open = ta.sma(open,9)
//SMA9 Indicator
SMA9 = ta.sma((high+low)/2,5)
risingSMA9 = ta.rising(SMA9,1)
fallingSMA9 = ta.falling(SMA9,1)
color  plotcolor1 = color.black
if risingSMA9
    plotcolor1 := color.green

// SAR Indicator
sar = ta.sar(sar1, sar2, sar3)
sma2_close = ta.sma(src_close,1)
sma2_open = ta.sma(src_open,1)

//Supertrend
[supertrend, direction] = ta.supertrend(ST_T, ST_D)
up_trend = ta.sma(direction < 0 ? supertrend : na,ST_SMA)
down_trend = ta.sma(direction < 0? na : supertrend, ST_SMA)

// Color change
color  plotcolor2 = color.green
if open>down_trend or close>down_trend
    plotcolor2 := color.lime
if open<down_trend or close<down_trend
    plotcolor2 := color.red
    
color plotcolor3 = color.green
if open>up_trend or close>up_trend
    plotcolor3 := color.yellow
if open<up_trend or close<up_trend
    plotcolor3 := color.red

color plotcolor4 = color.black
if (open>sar or close>sar) 
    plotcolor4 := color.white
if (open<sar or close<sar)
    plotcolor4 := color.red
    
color plotcolor5 = color.black
if (open>SMA500 or close>SMA500) 
    plotcolor5 := color.green
if (open<SMA500 or close<SMA500) 
    plotcolor5 := color.red

color plotcolor6 = color.green
rising_taalma = ta.rising (ta.alma(open,10,.99,1),1)
falling_taalma = ta.falling (ta.alma(open,10,.99,1),1)

if rising_taalma
    plotcolor6 := color.green
if falling_taalma
    plotcolor6 := color.red
    
// buy and sell conditions for uptrend

longCondition1 = (open >= down_trend or high>= down_trend or ta.crossover(open,down_trend)or ta.crossover(high,down_trend))
longCondition2 = (open >= up_trend or high>= up_trend or ta.crossover(open,up_trend)or ta.crossover(high,up_trend))
longCondition3 = (open >= SMA500 or high>= SMA500 or ta.crossover(open,SMA500)or ta.crossover(high,SMA500))
longCondition4 = (open >= sar or high>= sar or ta.crossover(open,sar)or ta.crossover(high,sar))
longCondition5 = rising_taalma

shortCondition1 = (close < down_trend or low< down_trend or ta.crossunder(close,down_trend)or ta.crossunder(low,down_trend))
shortCondition2 = (close < up_trend or low< up_trend or ta.crossunder(close,up_trend)or ta.crossunder(low,up_trend))
shortCondition3 = (close < SMA500 or low< SMA500 or ta.crossunder(close,SMA500)or ta.crossunder(low,SMA500))
shortCondition4 = (close < sar or low< sar or ta.crossunder(close,sar)or ta.crossunder(low,sar))
shortCondition5 = falling_taalma

comp_buy1 = longCondition1 and longCondition2 and longCondition3 and longCondition4 and longCondition5
op_buy1 = shortCondition3 and longCondition1 and longCondition2 and longCondition4
op_buy2 = shortCondition1 and shortCondition2 and longCondition3 and longCondition4 and longCondition5

comp_sell1 = shortCondition1 and shortCondition2 and shortCondition3 and shortCondition4 and shortCondition5
op_sell1 = shortCondition3 and shortCondition4 and longCondition1 and longCondition2
op_sell2 = shortCondition4 and longCondition1 and longCondition2 and longCondition3
op_sell3 = longCondition2 and shortCondition1 and shortCondition4 and shortCondition3
op_sell4 = longCondition2 and shortCondition1 and shortCondition4

var b1 = 0
var b2 = 0
var b3 = 0

if comp_buy1 == true and comp_buy1[1] == false 
    b1 := 1
else
    b1 := 0
    

if op_buy1 == true and op_buy1[1] == false 
    b2 := 1
else
    b2 := 0


if op_buy2 == true and op_buy2[1] == false 
    b3 := 1
else
    b3 := 0

// DCA method based on indicators

//RSI Indicator
len_rsi_10 = input.int(10,  title="Length", group = "RSI Indicator - 10", minval=1, maxval = 10, step = 1)
src_rsi_10 = input(ohlc4, "Source", group = "RSI Indicator - 10")
up_rsi_10 = ta.rma(math.max(ta.change(src_rsi_10), 0), len_rsi_10)
down_rsi_10 = ta.rma(-math.min(ta.change(src_rsi_10), 0), len_rsi_10)
rsi_10 = down_rsi_10 == 0 ? 100 : up_rsi_10 == 0 ? 0 : 100 - (100 / (1 + up_rsi_10 / down_rsi_10))

var p_rsi = 0

if rsi_10>= 0 and rsi_10<10
    p_rsi := 0
else if rsi_10>= 10 and rsi_10<20
    p_rsi := 10
else if rsi_10>= 20 and rsi_10<30
    p_rsi := 20
else if rsi_10>= 30 and rsi_10<40
    p_rsi := 30
else if rsi_10>= 40 and rsi_10<50
    p_rsi := 40
else if rsi_10>= 50 and rsi_10<60
    p_rsi := 50
else if rsi_10>= 60 and rsi_10<70
    p_rsi := 60
else if rsi_10>= 70 and rsi_10<80
    p_rsi := 70
else if rsi_10>= 80 and rsi_10<90
    p_rsi := 80
else if rsi_10>= 90 and rsi_10<100
    p_rsi := 90

len_rsi_50 = input.int(50, title="Length", group = "RSI Indicator - 50", minval=11, maxval = 50, step = 1)
src_rsi_50 = input(high, "Source", group = "RSI Indicator - 50")
up_rsi_50 = ta.rma(math.max(ta.change(src_rsi_50), 0), len_rsi_50)
down_rsi_50 = ta.rma(-math.min(ta.change(src_rsi_50), 0), len_rsi_50)
rsi_50 = down_rsi_50 == 0 ? 100 : up_rsi_50 == 0 ? 0 : 100 - (100 / (1 + up_rsi_50 / down_rsi_50))

var p_rsi_50 = 0

if rsi_50>= 0 and rsi_50<10
    p_rsi_50 := 0
else if rsi_50>= 10 and rsi_50<20
    p_rsi_50 := 10
else if rsi_50>= 20 and rsi_50<30
    p_rsi_50 := 20
else if rsi_50>= 30 and rsi_50<40
    p_rsi_50 := 30
else if rsi_50>= 40 and rsi_50<50
    p_rsi_50 := 40
else if rsi_50>= 50 and rsi_50<60
    p_rsi_50 := 50
else if rsi_50>= 60 and rsi_50<70
    p_rsi_50 := 60
else if rsi_50>= 70 and rsi_50<80
    p_rsi_50 := 70
else if rsi_50>= 80 and rsi_50<90
    p_rsi_50 := 80
else if rsi_50>= 90 and rsi_50<100
    p_rsi_50 := 90

len_rsi_100 = input.int(100, title="Length", group = "RSI Indicator - 100", minval=51, maxval = 200, step = 10)
src_rsi_100 = input(ohlc4, "Source", group = "RSI Indicator - 100")
up_rsi_100 = ta.rma(math.max(ta.change(src_rsi_100), 0), len_rsi_100)
down_rsi_100 = ta.rma(-math.min(ta.change(src_rsi_100), 0), len_rsi_100)
rsi_100 = down_rsi_100 == 0 ? 100 : up_rsi_100 == 0 ? 0 : 100 - (100 / (1 + up_rsi_100 / down_rsi_100))

var p_rsi_100 = 0

if rsi_100>= 0 and rsi_100<10
    p_rsi_100 := 0
else if rsi_100>= 10 and rsi_100<20
    p_rsi_100 := 10
else if rsi_100>= 20 and rsi_100<30
    p_rsi_100 := 20
else if rsi_100>= 30 and rsi_100<40
    p_rsi_100 := 30
else if rsi_100>= 40 and rsi_100<50
    p_rsi_100 := 40
else if rsi_100>= 50 and rsi_100<60
    p_rsi_100 := 50
else if rsi_100>= 60 and rsi_100<70
    p_rsi_100 := 60
else if rsi_100>= 70 and rsi_100<80
    p_rsi_100 := 70
else if rsi_100>= 80 and rsi_100<90
    p_rsi_100 := 80
else if rsi_100>= 90 and rsi_100<100
    p_rsi_100 := 90

// Relative Volatility Indicator
length_rvi_10 = input.int(defval = 10, minval=1, maxval = 10, step = 1, title="Length - RVI", group = "RVI Indicator - 10")
len_rvi_10 = input.int(defval = 10, minval=1, maxval = 10, step = 1, title="Length - EMA", group = "RVI Indicator - 10")
src_rvi_10 = input(high, title = "Source", group = "RVI Indicator - 10")
stddev_rvi_10 = ta.stdev(src_rvi_10, length_rvi_10)
upper_rvi_10 = ta.ema(ta.change(src_rvi_10) <= 0 ? 0 : stddev_rvi_10, len_rvi_10)
lower_rvi_10 = ta.ema(ta.change(src_rvi_10) > 0 ? 0 : stddev_rvi_10, len_rvi_10)
rvi_10 = upper_rvi_10 / (upper_rvi_10 + lower_rvi_10) * 100

var p_rvi_10 = 0

if rvi_10 >= 0 and rvi_10 <10
    p_rvi_10 := 0
else if rvi_10 >= 10 and rvi_10 <20
    p_rvi_10 := 10
else if rvi_10 >= 20 and rvi_10 <30
    p_rvi_10 := 20
else if rvi_10 >= 30 and rvi_10 <40
    p_rvi_10 := 30
else if rvi_10 >= 40 and rvi_10 <50
    p_rvi_10 := 40
else if rvi_10 >= 50 and rvi_10 <60
    p_rvi_10 := 50
else if rvi_10 >= 60 and rvi_10 <70
    p_rvi_10 := 60
else if rvi_10 >= 70 and rvi_10 <80
    p_rvi_10 := 70
else if rvi_10 >= 80 and rvi_10 <90
    p_rvi_10 := 80
else if rvi_10 >= 90 and rvi_10 <100
    p_rvi_10 := 90

length_rvi_50 = input.int(defval = 50, minval=11, maxval = 50, step = 1, title="Length - RVI", group = "RVI Indicator - 50")
len_rvi_50 = input.int(defval = 50, minval=11, maxval = 50, step = 1, title="Length - EMA", group = "RVI Indicator - 50")
src_rvi_50 = input(close, title = "source", group = "RVI Indicator - 50")
stddev_rvi_50 = ta.stdev(src_rvi_50, length_rvi_50)
upper_rvi_50 = ta.ema(ta.change(src_rvi_50) <= 0 ? 0 : stddev_rvi_50, len_rvi_50)
lower_rvi_50 = ta.ema(ta.change(src_rvi_50) > 0 ? 0 : stddev_rvi_50, len_rvi_50)
rvi_50 = upper_rvi_50 / (upper_rvi_50 + lower_rvi_50) * 100

var p_rvi_50 = 0

if rvi_50 >= 0 and rvi_50 <10
    p_rvi_50 := 0
else if rvi_50 >= 10 and rvi_50 <20
    p_rvi_50 := 10
else if rvi_50 >= 20 and rvi_50 <30
    p_rvi_50 := 20
else if rvi_50 >= 30 and rvi_50 <40
    p_rvi_50 := 30
else if rvi_50 >= 40 and rvi_50 <50
    p_rvi_50 := 40
else if rvi_50 >= 50 and rvi_50 <60
    p_rvi_50 := 50
else if rvi_50 >= 60 and rvi_50 <70
    p_rvi_50 := 60
else if rvi_50 >= 70 and rvi_50 <80
    p_rvi_50 := 70
else if rvi_50 >= 80 and rvi_50 <90
    p_rvi_50 := 80
else if rvi_50 >= 90 and rvi_50 <100
    p_rvi_50 := 90


length_rvi_100 = input.int(defval = 100, minval=51, maxval = 200, step = 10, title="Length - RVI", group = "RVI Indicator - 100")
len_rvi_100 = input.int(defval = 100, minval=51, maxval = 200, step = 10, title="Length - EMA", group = "RVI Indicator - 100")
src_rvi_100 = input(close, title = "Source", group = "RVI Indicator - 100")
stddev_rvi_100 = ta.stdev(src_rvi_100, length_rvi_100)
upper_rvi_100 = ta.ema(ta.change(src_rvi_100) <= 0 ? 0 : stddev_rvi_100, len_rvi_100)
lower_rvi_100 = ta.ema(ta.change(src_rvi_100) > 0 ? 0 : stddev_rvi_100, len_rvi_100)
rvi_100 = upper_rvi_100 / (upper_rvi_100 + lower_rvi_100) * 100


var p_rvi_100 = 0

if rvi_100 >= 0 and rvi_100 <10
    p_rvi_100 := 0
else if rvi_100 >= 10 and rvi_100 <20
    p_rvi_100 := 10
else if rvi_100 >= 20 and rvi_100 <30
    p_rvi_100 := 20
else if rvi_100 >= 30 and rvi_100 <40
    p_rvi_100 := 30
else if rvi_100 >= 40 and rvi_100 <50
    p_rvi_100 := 40
else if rvi_100 >= 50 and rvi_100 <60
    p_rvi_100 := 50
else if rvi_100 >= 60 and rvi_100 <70
    p_rvi_100 := 60
else if rvi_100 >= 70 and rvi_100 <80
    p_rvi_100 := 70
else if rvi_100 >= 80 and rvi_100 <90
    p_rvi_100 := 80
else if rvi_100 >= 90 and rvi_100 <100
    p_rvi_100 := 90

// Money flow index
len_mfi_10 = input.int(defval = 10, minval=1, maxval = 10, step = 1, title="Length - MFI", group = "MFI Indicator - 10")
src_mfi_10 = input(high, title = "source", group = "MFI Indicator - 10")
mf_10 = ta.mfi(src_mfi_10, len_mfi_10)

var p_mfi_10 = 0

if mf_10>= 0 and mf_10<10
    p_mfi_10 := 0
else if mf_10>= 10 and mf_10<20
    p_mfi_10 := 10
else if mf_10>= 20 and mf_10<30
    p_mfi_10 := 20
else if mf_10>= 30 and mf_10<40
    p_mfi_10 := 30
else if mf_10>= 40 and mf_10<50
    p_mfi_10 := 40
else if mf_10>= 50 and mf_10<60
    p_mfi_10 := 50
else if mf_10>= 60 and mf_10<70
    p_mfi_10 := 60
else if mf_10>= 70 and mf_10<80
    p_mfi_10 := 70
else if mf_10>= 80 and mf_10<90
    p_mfi_10 := 80
else if mf_10>= 90 and mf_10<100
    p_mfi_10 := 90

len_mfi_50 = input.int(defval = 50, minval=11, maxval = 50, step = 1, title="Length - MFI", group = "MFI Indicator - 50")
src_mfi_50 = input(high, title = "source", group = "MFI Indicator - 50")
mf_50 = ta.mfi(src_mfi_50, len_mfi_50)

var p_mfi_50 = 0

if mf_50>= 0 and mf_50<10
    p_mfi_50 := 0
else if mf_50>= 10 and mf_50<20
    p_mfi_50 := 10
else if mf_50>= 20 and mf_50<30
    p_mfi_50 := 20
else if mf_50>= 30 and mf_50<40
    p_mfi_50 := 30
else if mf_50>= 40 and mf_50<50
    p_mfi_50 := 40
else if mf_50>= 50 and mf_50<60
    p_mfi_50 := 50
else if mf_50>= 60 and mf_50<70
    p_mfi_50 := 60
else if mf_50>= 70 and mf_50<80
    p_mfi_50 := 70
else if mf_50>= 80 and mf_50<90
    p_mfi_50 := 80
else if mf_50>= 90 and mf_50<100
    p_mfi_50 := 90

len_mfi_100 = input.int(defval = 100, minval=51, maxval = 200, step = 10, title="Length - MFI", group = "MFI Indicator - 100")
src_mfi_100 = input(high, title = "source", group = "MFI Indicator - 100")
mf_100 = ta.mfi(src_mfi_100, len_mfi_100)

var p_mfi_100 = 0

if mf_100>= 0 and mf_100<10
    p_mfi_100 := 0
else if mf_100>= 10 and mf_100<20
    p_mfi_100 := 10
else if mf_100>= 20 and mf_100<30
    p_mfi_100 := 20
else if mf_100>= 30 and mf_100<40
    p_mfi_100 := 30
else if mf_100>= 40 and mf_100<50
    p_mfi_100 := 40
else if mf_100>= 50 and mf_100<60
    p_mfi_100 := 50
else if mf_100>= 60 and mf_100<70
    p_mfi_100 := 60
else if mf_100>= 70 and mf_100<80
    p_mfi_100 := 70
else if mf_100>= 80 and mf_100<90
    p_mfi_100 := 80
else if mf_100>= 90 and mf_100<100
    p_mfi_100 := 90

//Balance of power indicator
bop = ((((close - open) / (high - low))*100)+50)
bop_sma_100 = ta.sma(bop,100)


// Buy and Sell lavels based on Indicators
l_val_rsi = input.int (defval = 40, title = "Lower value of RSI", maxval = 100, minval = 0, step = 10, group = 'Indicator Values')
l_val_rvi = input.int (defval = 40, title = "Lower value of RVI", maxval = 100, minval = 0, step = 10, group = 'Indicator Values')
l_val_mfi = input.int (defval = 40, title = "Lower value of MFI", maxval = 100, minval = 0, step = 10, group = 'Indicator Values')

//h_val_rsi = input.int (defval = 60, title = "Higher value of RSI", maxval = 100, minval = 0, step = 10, group = 'Indicator Values')
//h_val_rvi = input.int (defval = 50, title = "Higher value of RVI", maxval = 100, minval = 0, step = 10, group = 'Indicator Values')
//h_val_mfi = input.int (defval = 50, title = "Higher value of MFI", maxval = 100, minval = 0, step = 10, group = 'Indicator Values')

buy_rsi = p_rsi_100 <= l_val_rsi and p_rsi_50<p_rsi_100 and p_rsi<=p_rsi_50
buy_rvi = p_rvi_100 <= l_val_rvi and p_rvi_50<=p_rvi_100 and p_rvi_10<=p_rvi_50
buy_mfi = p_mfi_100 <= l_val_mfi and p_mfi_50<=p_mfi_100 and p_mfi_10<=p_mfi_50

buy_compound = buy_rsi and buy_rvi and buy_mfi ? 100 : 0

var float  buy_compound_f = na
if (buy_compound[1] == 100 and buy_compound == 0) //and open > close
    buy_compound_f := 1
else 
    buy_compound_f := na

ma_9 = ta.ema(close,2)
co_l1 = strategy.position_avg_price*0.95
co_l2 = strategy.position_avg_price*0.90
co_l3 = strategy.position_avg_price*0.85
co_l4 = strategy.position_avg_price*0.80

//Take profit in Market bottoms
profit_f = 1.0 + (profit_cal/100)


// Trading 
var final_option = UP_DOWN == 'Uptrend and down trend' ? 1 : 2

if final_option == 1
    if  ((buy_compound_f ==1 or ta.crossover(ma_9, co_l1) or ta.crossover(ma_9, co_l2) or ta.crossover(ma_9, co_l3) or ta.crossover(ma_9, co_l4)) and window())
        strategy.entry("long", strategy.long,comment = "BUY")
    else if ( comp_sell1 and window()) and strategy.position_avg_price * profit_f < close
        strategy.close("long", qty_percent = 100, comment = "SELL")
else if final_option == 2
    if (b1 or b2 or b3) and window()
        strategy.entry("long", strategy.long, comment = "BUY")
    else if (comp_sell1 or op_sell1 or op_sell2 or op_sell3 or op_sell4 ) and window() 
        strategy.close("long", qty_percent = 100, comment = "SELL")



bool PM_visible = input(false, "Show Profit marjin and average price", group = 'Safty Margins')
bool SM_visible = input(false, "Show Safty Grids", group = 'Safty Margins' )


//Graphs

plot(PM_visible or final_option == 1 ? strategy.position_avg_price : na, color = color.green, title = "Average Cost", style = plot.style_circles)
plot(PM_visible or final_option == 1 ? strategy.position_avg_price* profit_f :na, color = color.aqua, title = "Expected Profit", style = plot.style_circles)
plot(SM_visible ? strategy.position_avg_price*0.95 : na, color = color.gray, title = "SAFTY MARGIN - 95%", linewidth = 1, style = plot.style_circles)
plot(SM_visible ? strategy.position_avg_price*0.90 : na, color = color.gray, title = "SAFTY MARGIN - 90%", linewidth = 1, style = plot.style_circles)
plot(SM_visible ? strategy.position_avg_price*0.85 : na, color = color.gray, title = "SAFTY MARGIN - 85%", linewidth = 1, style = plot.style_circles)
plot(SM_visible ? strategy.position_avg_price*0.80 : na, color = color.gray, title = "SAFTY MARGIN - 80%", linewidth = 1, style = plot.style_circles)

plot(ST_visible or final_option == 2 ? down_trend:na, "Down trend", color = plotcolor2,  linewidth=2)
plot(ST_visible or final_option == 2 ? up_trend: na , "Up direction", color = plotcolor3, linewidth=2)
plot(sar_visible or final_option == 2 ? sar:na, title='SAR', color=plotcolor4, linewidth=2)
plot(sma500_visible or final_option == 2 ? SMA500:na,title='SMA500', color=plotcolor5, linewidth=3)




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