
Strategi ini menggunakan titik-titik pendorong (PivotHigh dan PivotLow) untuk mengenal pasti ketinggian dan ketinggian harga yang berfluktuasi, dan berdasarkan itu untuk melukis garis trend ke atas dan ke bawah. Skilok garis trend dikira oleh kaedah seperti ATR (Rang sebenar rata-rata), perbezaan standard atau regresi linear, dan dikalikan dengan satu faktor regresi. Strategi ini akan menghasilkan isyarat beli atau jual apabila harga menembusi garis trend.
Strategi ini menggunakan titik sokongan dan lereng garisan trend untuk membina sistem perdagangan garisan trend dalam masa nyata. Dengan menangkap peristiwa penembusan garisan trend, strategi ini dapat berdagang pada peringkat awal pembentukan trend. Walaupun strategi ini mempunyai kelebihan tertentu, masih perlu berhati-hati terhadap risikonya di pasaran yang bergolak, dan meningkatkan lagi kestabilan dan keuntungan strategi dengan memperkenalkan lebih banyak maklumat, penapisan isyarat yang dioptimumkan, dan pengurusan kedudukan.
/*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')
//------------------------------------------------------------------------------}