交叉突破型双均线系统策略

/*backtest
start: 2024-03-26 00:00:00
end: 2025-03-25 00:00:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT"}]
*/

//@version=5
strategy("TrophyFighter 32 EMA HL", overlay=true)

// 32 EMA for high and low
ema_high_32 = ta.ema(high, 32)
ema_low_32 = ta.ema(low, 32)

// Detect crossover and crossunder
cross_above_high_ema = ta.crossover(close, ema_high_32)
cross_below_low_ema = ta.crossunder(close, ema_low_32)

// Identify no-touch candles
no_touch_green = close > open and low > ema_high_32
no_touch_red = close < open and high < ema_low_32

// Track the high and low of no-touch candles
var float first_green_high = na
var float first_red_low = na
var bool waiting_for_long = false
var bool waiting_for_short = false
var bool in_long_trade = false  // Whether a long trade is active
var bool in_short_trade = false  // Whether a short trade is active
var bool first_no_touch_green_shown = false  // First green diamond shown
var bool first_no_touch_red_shown = false    // First red diamond shown

if (cross_above_high_ema and not in_long_trade and not in_short_trade)
    first_green_high := na
    waiting_for_long := true
    first_no_touch_green_shown := false  // Reset

if (cross_below_low_ema and not in_long_trade and not in_short_trade)
    first_red_low := na
    waiting_for_short := true
    first_no_touch_red_shown := false  // Reset

if (no_touch_green and waiting_for_long and ta.valuewhen(cross_above_high_ema, bar_index, 0) > ta.valuewhen(no_touch_green, bar_index, 1))
    first_green_high := high
    first_no_touch_green_shown := true  // Set first green diamond

if (no_touch_red and waiting_for_short and ta.valuewhen(cross_below_low_ema, bar_index, 0) > ta.valuewhen(no_touch_red, bar_index, 1))
    first_red_low := low
    first_no_touch_red_shown := true  // Set first red diamond

// Identify breakout (on the previous candle) - using na() function
long_breakout_check = high > ta.valuewhen(not na(first_green_high), first_green_high, 0) and not na(first_green_high) and waiting_for_long
short_breakout_check = low < ta.valuewhen(not na(first_red_low), first_red_low, 0) and not na(first_red_low) and waiting_for_short

// Buy and sell conditions (on the next same-colored candle)
long_condition = long_breakout_check[1] and close > open and not in_long_trade and not in_short_trade  // Next green candle
short_condition = short_breakout_check[1] and close < open and not in_long_trade and not in_short_trade  // Next red candle

// Breakout check (only on the signal candle)
long_breakout = long_condition  // Blue square only for signal
short_breakout = short_condition  // White square only for signal

// Signal for the first no-touch candle
first_no_touch_green = no_touch_green and not first_no_touch_green_shown and waiting_for_long and ta.valuewhen(cross_above_high_ema, bar_index, 0) > ta.valuewhen(no_touch_green, bar_index, 1)
first_no_touch_red = no_touch_red and not first_no_touch_red_shown and waiting_for_short and ta.valuewhen(cross_below_low_ema, bar_index, 0) > ta.valuewhen(no_touch_red, bar_index, 1)

// When a trade starts
if (long_condition)
    waiting_for_long := false
    in_long_trade := true  // Start long trade

if (short_condition)
    waiting_for_short := false
    in_short_trade := true  // Start short trade

// New exit rules
long_exit = close < ema_low_32 and in_long_trade  // Price drops below EMA low
short_exit = close > ema_high_32 and in_short_trade  // Price rises above EMA high

// Reset when trade closes
if (long_exit)
    in_long_trade := false

if (short_exit)
    in_short_trade := false

// Plot EMA and levels (cross style)
plot(ema_high_32, color=color.green, title="EMA High 32")
plot(ema_low_32, color=color.red, title="EMA Low 32")
plot(first_green_high, color=color.yellow, style=plot.style_cross, linewidth=1, title="First Green High")
plot(first_red_low, color=color.orange, style=plot.style_cross, linewidth=1, title="First Red Low")

// Debugging signals
plotshape(cross_above_high_ema, title="Cross Above EMA", location=location.belowbar, color=color.yellow, style=shape.circle, size=size.tiny)
plotshape(cross_below_low_ema, title="Cross Below EMA", location=location.abovebar, color=color.orange, style=shape.circle, size=size.tiny)
plotshape(first_no_touch_green, title="No Touch Green", location=location.belowbar, color=color.lime, style=shape.diamond, size=size.tiny)
plotshape(first_no_touch_red, title="No Touch Red", location=location.abovebar, color=color.purple, style=shape.diamond, size=size.tiny)
plotshape(long_breakout, title="Long Breakout", location=location.belowbar, color=color.blue, style=shape.square, size=size.tiny)
plotshape(short_breakout, title="Short Breakout", location=location.abovebar, color=color.white, style=shape.square, size=size.tiny)
plotshape(long_condition, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.triangleup, size=size.small)
plotshape(short_condition, title="Sell Signal", location=location.abovebar, color=color.red, style=shape.triangledown, size=size.small)

// Execute trades
if (long_condition)
    strategy.entry("Long", strategy.long)
if (short_condition)
    strategy.entry("Short", strategy.short)
if (long_exit)
    strategy.close("Long", comment="Long Exit")
if (short_exit)
    strategy.close("Short", comment="Short Exit")

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