
Strategi ini ialah sistem penjejakan arah aliran adaptif berdasarkan penapisan penunjuk teknikal berbilang. Ia menggabungkan berbilang penunjuk teknikal seperti purata bergerak eksponen (EMA), purata bergerak mudah (SMA) dan perbezaan penumpuan purata bergerak (MACD), dan melaraskan parameter secara dinamik untuk menyesuaikan diri dengan persekitaran pasaran yang berbeza untuk mencapai tangkapan arah aliran dan kawalan risiko yang cekap. Strategi ini menggunakan mekanisme penapisan berlapis dan meningkatkan kebolehpercayaan isyarat dagangan dengan ketara melalui kerjasama berbilang penunjuk teknikal yang diselaraskan.
Logik teras strategi adalah berdasarkan mekanisme penapisan tiga lapisan:
Penjanaan isyarat dagangan memerlukan pemenuhan semua syarat penapis: perubahan arah aliran, pengesahan arah SMA dan sokongan garis isyarat MACD. Strategi ini juga termasuk sistem pengurusan kedudukan dinamik berdasarkan ekuiti akaun, yang secara automatik melaraskan saiz kedudukan melalui faktor leverage.
Strategi ini mencapai kesan penjejakan arah aliran yang lebih dipercayai melalui mekanisme penapisan berbilang lapisan dan pelarasan parameter dinamik. Walaupun terdapat risiko lag dan pergantungan parameter tertentu, prestasi yang stabil masih boleh dicapai dalam urus niaga sebenar melalui pengoptimuman parameter yang munasabah dan langkah kawalan risiko. Adalah disyorkan agar peniaga menjalankan pengesahan ujian balik sepenuhnya sebelum penggunaan masa nyata dan melaraskan tetapan parameter mengikut toleransi risiko peribadi mereka.
/*backtest
start: 2024-12-29 00:00:00
end: 2025-01-05 00:00:00
period: 45m
basePeriod: 45m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=6
strategy("Adaptive Trend Flow Strategy with Filters for SPX", overlay=true, max_labels_count=500,
initial_capital=1000, commission_type=strategy.commission.cash_per_order, commission_value=0.01, slippage=2,
margin_long=20, margin_short=20, default_qty_type=strategy.percent_of_equity, default_qty_value=100)
// User-defined inputs for trend logic
atr = input.int(14, "Main Length", minval=2, group = "Find more strategies like this on pineindicators.com")
length = input.int(2, "Main Length", minval=2)
smooth_len = input.int(2, "Smoothing Length", minval=2)
sensitivity = input.float(2.0, "Sensitivity", step=0.1)
// User-defined inputs for SMA filter
use_sma_filter = input.bool(true, "Enable SMA Filter?")
sma_length = input.int(4, "SMA Length", minval=1)
// User-defined inputs for MACD filter
use_macd_filter = input.bool(true, "Enable MACD Filter?")
macd_fast_length = input.int(2, "MACD Fast Length", minval=1)
macd_slow_length = input.int(7, "MACD Slow Length", minval=1)
macd_signal_length = input.int(2, "MACD Signal Length", minval=1)
// User-defined inputs for leverage
leverage_factor = input.float(4.5, "Leverage Factor", minval=1.0, step=0.1)
id = input("besttrader123", title= "Your TradingView username", group = "Automate this strategy with plugpine.com")
key = input("nc739ja84gf", title= "Unique identifier (UID)")
ticker = input("SPX", title= "Ticker/symbol of your broker")
bullcolor = #0097a7
bearcolor = #ff195f
showbars = input.bool(true, "Color Bars?")
showbg = input.bool(true, "Background Color?")
showsignals = input.bool(true, "Show Signals?")
// Trend calculation functions
calculate_trend_levels() =>
typical = hlc3
fast_ema = ta.ema(typical, length)
slow_ema = ta.ema(typical, length * 2)
basis = (fast_ema + slow_ema) / 2
vol = ta.stdev(typical, length)
smooth_vol = ta.ema(vol, smooth_len)
upper = basis + (smooth_vol * sensitivity)
lower = basis - (smooth_vol * sensitivity)
[basis, upper, lower]
get_trend_state(upper, lower, basis) =>
var float prev_level = na
var int trend = 0
if na(prev_level)
trend := close > basis ? 1 : -1
prev_level := trend == 1 ? lower : upper
if trend == 1
if close < lower
trend := -1
prev_level := upper
else
prev_level := lower
else
if close > upper
trend := 1
prev_level := lower
else
prev_level := upper
[trend, prev_level]
[basis, upper, lower] = calculate_trend_levels()
[trend, level] = get_trend_state(upper, lower, basis)
// SMA filter
sma_value = ta.sma(close, sma_length)
sma_condition = use_sma_filter ? close > sma_value : true
// MACD filter
[macd_line, signal_line, _] = ta.macd(close, macd_fast_length, macd_slow_length, macd_signal_length)
macd_condition = use_macd_filter ? macd_line > signal_line : true
// Signal detection with filters
long_signal = trend == 1 and trend[1] == -1 and sma_condition and macd_condition
short_signal = trend == -1 and trend[1] == 1
// Plotting visuals
p2 = plot(basis, color=trend == 1 ? bullcolor : bearcolor, linewidth=2)
p1 = plot(level, color=close > level ? bullcolor : bearcolor, linewidth=2, style=plot.style_linebr)
// if showsignals and ta.crossover(close, level)
// label.new(bar_index, level, "▲", color=bullcolor, textcolor=chart.bg_color, style=label.style_label_upper_right)
// if showsignals and ta.crossunder(close, level)
// label.new(bar_index, level, "▼", color=bearcolor, textcolor=chart.fg_color, style=label.style_label_lower_right)
qty = strategy.equity / close * leverage_factor
// Automated alerts
if long_signal
alert('{"AccountID": "' + id + '","Key": "' + key + '", "symbol": "' + ticker + '", "action": "long", "volume": ' + str.tostring(qty) + '}', alert.freq_once_per_bar)
if short_signal
alert('{"AccountID": "' + id + '","Key": "' + key + '", "symbol": "' + ticker + '", "action": "closelong"}', alert.freq_once_per_bar)
// Strategy entries and exits
if long_signal
strategy.entry("Long", strategy.long, qty=qty)
if short_signal
strategy.close("Long")
// Optional SMA and MACD plot
plot(use_sma_filter ? sma_value : na, color=color.new(color.blue, 80), title="SMA")
plot(use_macd_filter ? macd_line : na, color=color.new(color.orange, 80), title="MACD Line")
plot(use_macd_filter ? signal_line : na, color=color.new(color.red, 80), title="Signal Line")