SMA Strategy
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © melihtuna

//@version=4
strategy("SMA Strategy", overlay=true, default_qty_type=strategy.percent_of_equity, default_qty_value=100, initial_capital=10000, currency=currency.USD, commission_value=0.1, commission_type=strategy.commission.percent)

smaB1 = input(title="smaB1",defval=377)
smaB2 = input(title="smaB2",defval=200)
smaS1 = input(title="smaS1",defval=377)
smaS2 = input(title="smaS2",defval=200)
smawidth = 2

plot(sma(close, smaB1), color = #EFB819, linewidth=smawidth, title='smaB1')
plot(sma(close, smaB2), color = #FF23FD, linewidth=smawidth, title='smaB2')
plot(sma(close, smaS1), color = #000000, linewidth=smawidth, title='smaS1')
plot(sma(close, smaS2), color = #c48dba, linewidth=smawidth, title='smaS2')

// === INPUT BACKTEST RANGE ===
FromMonth = input(defval = 1, title = "From Month", minval = 1, maxval = 12)
FromDay   = input(defval = 1, title = "From Day", minval = 1, maxval = 31)
FromYear  = input(defval = 2020, title = "From Year", minval = 2017)
ToMonth   = input(defval = 1, title = "To Month", minval = 1, maxval = 12)
ToDay     = input(defval = 1, title = "To Day", minval = 1, maxval = 31)
ToYear    = input(defval = 9999, title = "To Year", minval = 2017)

// === FUNCTION EXAMPLE ===
start     = timestamp(FromYear, FromMonth, FromDay, 00, 00)  
finish    = timestamp(ToYear, ToMonth, ToDay, 23, 59)        
window()  => time >= start and time <= finish ? true : false 

longCondition = crossover(sma(close, smaB1),sma(close, smaB2))

if (window() and longCondition)
    strategy.entry("BUY", strategy.long)

shortCondition = crossover(sma(close, smaS2),sma(close, smaS1))

if (window() and shortCondition)
    strategy.entry("SELL", strategy.short)
    
    
    