多因子自适应震荡交易策略：基于平均线交叉与布林带振荡的风险收益比优化系统

/*backtest
start: 2025-07-11 00:00:00
end: 2025-08-06 00:00:00
period: 1m
basePeriod: 1m
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT","balance":5000000}]
*/

//@version=6
strategy("Cnagda Fixed Swing SL & RR 1:3", overlay=true, max_boxes_count=500, max_labels_count=500)
input_strategy = input.string("RSI", "Trade Logic", options=["RSI", "Scalp"])
swing_lookback = input.int(34, "Swing Lookback", minval=5)
rr_multiple = input.int(3, "Risk Reward Multiple", minval=1)

// --- Heikin Ashi Calculation ---
ha_close = (open + high + low + close) / 4
var float ha_open = na
if bar_index == 0
    ha_open := (open + close) / 2
else
    ha_open := (ha_open[1] + ha_close[1]) / 2
ha_high = math.max(high, math.max(ha_open, ha_close))
ha_low = math.min(low, math.min(ha_open, ha_close))

// --- MA/Signal Logic on Heikin Ashi ---
ma1 = ta.ema(ha_close, 34)
ma2 = ta.wma(ha_close, 34)
wma34 = ta.wma(ha_close, 34)
ema34 = ta.ema(ha_close, 34)
sma34 = ta.sma(ha_close, 34)
vwma34 = ta.vwma(ha_close, 34)
ma_sum = (not na(wma34) ? wma34 : 0) + (not na(vwma34) ? vwma34 : 0) + (not na(ema34) ? ema34 : 0) + (not na(sma34) ? sma34 : 0)
ma_avg = ma_sum / 4

// --- Scalp/Swing Logic ---
buySignal = ta.crossover(ma1, ma2)
sellSignal = ta.crossunder(ma1, ma2)
var string scalp_state = "NEUTRAL"
var float refHigh = na
var float refLow = na
if buySignal or sellSignal
    refHigh := ha_high
    refLow := ha_low
    scalp_state := "WAIT_ENTRY"
if (scalp_state == "WAIT_ENTRY" or scalp_state == "SELL") and not na(refHigh) and ha_close > refHigh
    scalp_state := "BUY"
if (scalp_state == "WAIT_ENTRY" or scalp_state == "BUY") and not na(refLow) and ha_close < refLow
    scalp_state := "SELL"
if scalp_state == "BUY" and ha_close < ma_avg
    scalp_state := "NEUTRAL"
    refHigh := na
    refLow := na
if scalp_state == "SELL" and ha_close > ma_avg
    scalp_state := "NEUTRAL"
    refHigh := na
    refLow := na

// --- RSI Logic ---
rsi_val = ta.rsi(ha_close, 14)
rsi_ema_3 = ta.ema(rsi_val, 3)
rsi_ema_10 = ta.ema(rsi_val, 10)
high_vol = volume > ta.sma(volume, 20) * 1.5
bar_is_high = high_vol
prev_bar_is_high = high_vol[1]
any_high_bar = bar_is_high or prev_bar_is_high
_base_rsi_cross_bull = ta.crossover(rsi_ema_3, rsi_ema_10) and any_high_bar
_base_rsi_cross_bear = ta.crossunder(rsi_ema_3, rsi_ema_10) and any_high_bar
rsi_cross_bull = _base_rsi_cross_bull and (ha_close < ma_avg)
rsi_cross_bear = _base_rsi_cross_bear and (ha_close > ma_avg)

// ENTRY LOGIC
var float rsi_signal_high = na
var float rsi_signal_low = na
var int rsi_signal_bar = na
var string rsi_entry_state = ""

if rsi_cross_bull
    rsi_signal_high := high
    rsi_signal_low := na
    rsi_signal_bar := bar_index
    rsi_entry_state := "WAIT ENTRY"
else if rsi_cross_bear
    rsi_signal_low := low
    rsi_signal_high := na
    rsi_signal_bar := bar_index
    rsi_entry_state := "WAIT ENTRY"
else if not na(rsi_signal_bar)
    if not na(rsi_signal_high)
        if close > rsi_signal_high and bar_index > rsi_signal_bar
            rsi_entry_state := "BUY"
            rsi_signal_high := na
            rsi_signal_bar := na
        else
            rsi_entry_state := "WAIT ENTRY"
    else if not na(rsi_signal_low)
        if close < rsi_signal_low and bar_index > rsi_signal_bar
            rsi_entry_state := "SELL"
            rsi_signal_low := na
            rsi_signal_bar := na
        else
            rsi_entry_state := "WAIT ENTRY"
    else
        rsi_entry_state := ""
else
    rsi_entry_state := ""

// --- Swing High/Low (Stoploss reference) ---
swingLow  = ta.pivotlow(ha_low, swing_lookback, swing_lookback)
swingHigh = ta.pivothigh(ha_high, swing_lookback, swing_lookback)

// -- Entry/Exit conditions --
long_condition  = input_strategy == "RSI" ? (rsi_entry_state == "BUY" and rsi_entry_state[1] != "BUY") : (scalp_state == "BUY" and scalp_state[1] != "BUY")
short_condition = input_strategy == "RSI" ? (rsi_entry_state == "SELL" and rsi_entry_state[1] != "SELL") : (scalp_state == "SELL" and scalp_state[1] != "SELL")
exit_long_condition  = input_strategy == "RSI" ? (rsi_entry_state == "SELL" and rsi_entry_state[1] != "SELL") : (scalp_state == "SELL" and scalp_state[1] != "SELL")
exit_short_condition = input_strategy == "RSI" ? (rsi_entry_state == "BUY" and rsi_entry_state[1] != "BUY") : (scalp_state == "BUY" and scalp_state[1] != "BUY")

// --- Final Entry & SL/Target (NO TRAIL) ---
var float sl_long = na
var float sl_short = na
var float tg_long = na
var float tg_short = na

if long_condition and not na(swingLow)
    sl_long := swingLow         // SL = last swing low after entry candle close
    entry_price = close
    risk = entry_price - sl_long
    tg_long := entry_price + (risk * rr_multiple)
    strategy.entry("Long", strategy.long)
    strategy.exit("Long_SL", from_entry="Long", stop=sl_long, limit=tg_long)

if short_condition and not na(swingHigh)
    sl_short := swingHigh      // SL = last swing high after entry candle close
    entry_price = close
    risk = sl_short - entry_price
    tg_short := entry_price - (risk * rr_multiple)
    strategy.entry("Short", strategy.short)
    strategy.exit("Short_SL", from_entry="Short", stop=sl_short, limit=tg_short)

if exit_long_condition
    strategy.close("Long")
if exit_short_condition
    strategy.close("Short")

// --- Visuals (optional, for clarity) ---
barcolor(long_condition ? color.green : short_condition ? color.red : na)
plot(ma_avg, "MA Avg", color=color.blue, linewidth=2)

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