धुरी बिंदुओं और ढलान पर आधारित वास्तविक समय ट्रेंडलाइन ट्रेडिंग

/*backtest
start: 2023-04-20 00:00:00
end: 2024-04-25 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy(" only Ajay ", overlay=true)

//------------------------------------------------------------------------------
//Settings
//------------------------------------------------------------------------------{
length = input.int(14, 'Swing Detection Lookback')
mult = input.float(1., 'Slope', minval = 0, step = .1)
calcMethod = input.string('Atr', 'Slope Calculation Method', options = ['Atr','Stdev','Linreg'])
backpaint = input(true, tooltip = 'Backpainting offset displayed elements in the past. Disable backpainting to see real time information returned by the indicator.')

//Style
upCss = input.color(color.teal, 'Up Trendline Color', group = 'Style')
dnCss = input.color(color.red, 'Down Trendline Color', group = 'Style')
showExt = input(true, 'Show Extended Lines')

//------------------------------------------------------------------------------}
//Calculations
//------------------------------------------------------------------------------{
var upper = 0.
var lower = 0.
var slope_ph = 0.
var slope_pl = 0.

var offset = backpaint ? length : 0

n = bar_index
src = close

ph = ta.pivothigh(length, length)
pl = ta.pivotlow(length, length)

//Slope Calculation Method
slope = switch calcMethod
    'Atr'    => ta.atr(length) / length * mult
    'Stdev'  => ta.stdev(src,length) / length * mult
    'Linreg' => math.abs(ta.sma(src * n, length) - ta.sma(src, length) * ta.sma(n, length)) / ta.variance(n, length) / 2 * mult

//Get slopes and calculate trendlines
slope_ph := ph ? slope : slope_ph
slope_pl := pl ? slope : slope_pl

upper := ph ? ph : upper - slope_ph
lower := pl ? pl : lower + slope_pl

var upos = 0
var dnos = 0
upos := ph ? 0 : close > upper - slope_ph * length ? 1 : upos
dnos := pl ? 0 : close < lower + slope_pl * length ? 1 : dnos

//------------------------------------------------------------------------------}
//Extended Lines
//------------------------------------------------------------------------------{
// var uptl  = line.new(na,na,na,na, color = upCss, style = line.style_dashed, extend = extend.right)
// var dntl  = line.new(na,na,na,na, color = dnCss, style = line.style_dashed, extend = extend.right)

// if ph and showExt
//     uptl.set_xy1(n-offset, backpaint ? ph : upper - slope_ph * length)
//     uptl.set_xy2(n-offset+1, backpaint ? ph - slope : upper - slope_ph * (length+1))

// if pl and showExt
//     dntl.set_xy1(n-offset, backpaint ? pl : lower + slope_pl * length)
//     dntl.set_xy2(n-offset+1, backpaint ? pl + slope : lower + slope_pl * (length+1))

//------------------------------------------------------------------------------}
//Plots
//------------------------------------------------------------------------------{
plot(backpaint ? upper : upper - slope_ph * length, 'Upper', color = ph ? na : upCss, offset = -offset)
plot(backpaint ? lower : lower + slope_pl * length, 'Lower', color = pl ? na : dnCss, offset = -offset)

//Breakouts
upBreakout = upos > upos[1]
dnBreakout = dnos > dnos[1]

if (upBreakout)
    strategy.entry("Up Breakout", strategy.long)

if (dnBreakout)
    strategy.entry("Down Breakout", strategy.short)

//------------------------------------------------------------------------------}
//Alerts
//------------------------------------------------------------------------------{
alertcondition(upos > upos[1], 'Upward Breakout', 'Price broke the down-trendline upward')
alertcondition(dnos > dnos[1], 'Downward Breakout', 'Price broke the up-trendline downward')

//------------------------------------------------------------------------------}