Arnaud Legoux Moving Average Cross (ALMA)

Author: Zer3192, Date: 2022-08-27 17:00:46
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```/*backtest
start: 2021-05-08 00:00:00
end: 2022-05-07 23:59:00
period: 4h
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/
// © Sarahann999
// Calculations for TP/SL based off: https://kodify.net/tradingview/orders/percentage-profit/
//@version=5
strategy("ALMA Cross", overlay=true)

//User Inputs
src= (close)
long_entry = input(true, title='Long Entry')
short_entry = input(true, title='Short Entry')

//Fast Settings
ALMA1 = input(60, "ALMA Lenghth 1", group= "ALMA Fast Length Settings")
alma_offset = input.float(defval=0.85, title='Arnaud Legoux (ALMA) - Offset Value', minval=0, step=0.01)
alma_sigma = input.int(defval=6, title='Arnaud Legoux (ALMA) - Sigma Value', minval=0)
Alma1 = ta.alma(src, ALMA1, alma_offset, alma_sigma)

//Slow Settings
ALMA2 = input(120, "ALMA Length 2", group = "ALMA Slow Length Settings")
alma_offset2 = input.float(defval=0.85, title='Arnaud Legoux (ALMA) - Offset Value', minval=0, step=0.01)
alma_sigma2 = input.int(defval=6, title='Arnaud Legoux (ALMA) - Sigma Value', minval=0)
Alma2 = ta.alma(src, ALMA2, alma_offset2, alma_sigma2)

//Volume
var cumVol = 0.
cumVol += nz(volume)
if barstate.islast and cumVol == 0
runtime.error("No volume is provided by the data vendor.")
shortlen = input.int(5, minval=1, title = "Short Length", group= "Volume Settings")
longlen = input.int(10, minval=1, title = "Long Length")
short = ta.ema(volume, shortlen)
long = ta.ema(volume, longlen)
osc = 100 * (short - long) / long

//Define Cross Conditions
buy = ta.crossover(Alma1, Alma2)
sell = ta.crossunder(Alma1, Alma2)

//Calculate Take Profit Percentage
longProfitPerc = input.float(title="Long Take Profit", group='Take Profit Percentage',
minval=0.0, step=0.1, defval=2) / 100
shortProfitPerc = input.float(title="Short Take Profit",
minval=0.0, step=0.1, defval=2) / 100

// Figure out take profit price 1
longExitPrice  = strategy.position_avg_price * (1 + longProfitPerc)
shortExitPrice = strategy.position_avg_price * (1 - shortProfitPerc)

// Make inputs that set the stop %  1
longStopPerc = input.float(title="Long Stop Loss", group='Stop Percentage',
minval=0.0, step=0.1, defval=2.5) / 100
shortStopPerc = input.float(title="Short Stop Loss",
minval=0.0, step=0.1, defval=2.5) / 100

// Figure Out Stop Price
longStopPrice  = strategy.position_avg_price * (1 - longStopPerc)
shortStopPrice = strategy.position_avg_price * (1 + shortStopPerc)

//Define Conditions
buySignal = buy and osc > 0
and strategy.position_size == 0

//sellSignal
sellSignal = sell and osc > 0
and strategy.position_size == 0

// Submit entry orders
if buySignal and long_entry
strategy.entry(id="Long", direction=strategy.long, alert_message="Enter Long")
alert(message="BUY Trade Entry Alert", freq=alert.freq_once_per_bar)

if sellSignal and short_entry
strategy.entry(id="Short", direction=strategy.short, alert_message="Enter Short")
alert(message="SELL Trade Entry Alert", freq=alert.freq_once_per_bar)

// Submit exit orders based on take profit price
if (strategy.position_size > 0)
strategy.exit(id="Long TP/SL", limit=longExitPrice, stop=longStopPrice, alert_message="Long Exit 1 at {{close}}")
if (strategy.position_size < 0)
strategy.exit(id="Short TP/SL", limit=shortExitPrice, stop=shortStopPrice, alert_message="Short Exit 1 at {{close}}")

//Draw
plot(Alma1,"Alma Fast", color=color.purple, style=plot.style_circles)
plot(Alma2,"Alma Slow", color=#acb5c2, style=plot.style_circles)
```

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