基于快慢EMA交叉的5分钟趋势追踪策略


创建日期: 2023-11-16 15:36:36 最后修改: 2023-11-16 15:36:36
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基于快慢EMA交叉的5分钟趋势追踪策略

概述

该策略是基于5分钟时间框架的快慢EMA交叉系统,结合限价单和跟踪止损来自动捕捉趋势。该策略适用于中短线趋势交易,通过EMA过滤来判断整体趋势方向,再结合快慢EMA交叉来定位具体的入场时机。其优点是对趋势判断准确,能有效跟踪趋势;缺点是会出现部分假突破,容易被套住。

策略原理

  1. 使用快速EMA和慢速EMA,当快速EMA上穿慢速EMA时做多,下穿时做空
  2. 使用EMA宏观过滤器,只有当价格在EMA之上才可做多,在EMA之下才可做空,避免假突破
  3. 入场时使用限价单,确保价格达到期望位置后再入场
  4. 入场后使用动态跟踪止损,锁定利润,止损退出

具体来说:

  1. 根据快速EMA和慢速EMA的长度,分别计算出快慢EMA
  2. 如果启用EMA过滤器,只有当价格高于EMA才可以做多,低于EMA才可以做空
  3. 当快速EMA上穿慢速EMA时,做多;当快速EMA下穿慢速EMA时,做空
  4. 多单入场时下限单,空单入场时上限单
  5. 入场后启动跟踪止损,根据运行最高价来跟踪,进行止损和止盈

以上就是该策略的基本交易逻辑。

策略优势

  1. 使用EMA判断整体趋势方向,避免逆势交易
  2. 快慢EMA结合限价单,可以有效防止追高杀跌
  3. 动态跟踪止损,可以很好地锁定利润
  4. 风险控制到位,每单止损固定在2%左右
  5. 回撤较小,顺势捕捉趋势较好
  6. 策略简单清晰,容易理解和优化

策略风险

  1. 存在一定的趋势假突破风险,可能被套住
  2. EMA周期设置不当可能导致错过趋势
  3. 止损幅度设置过大,可能超出正常波动范围被止损
  4. 追踪止损过于激进,可能提前离场
  5. 止损和止盈比例设置不合理,可能错过更大行情

对策: 1. 优化EMA参数,找到最佳周期长度 2. 适当放宽止损幅度,防止过于频繁止损 3. 审慎设置追踪止损的开始点和跟踪幅度 4. 测试不同的止损止盈比例,找到最优参数

策略优化方向

  1. 优化EMA周期参数,找到最佳参数组合
  2. 尝试不同的EMA类型,如加权移动平均线
  3. 测试MACD等其他指标,看是否可以提高效果
  4. 尝试在更高级的时间框架进行EMA过滤
  5. 优化入场时的限价区间
  6. 优化止损止盈的点位和比例
  7. 尝试更复杂的追踪止损方式
  8. 加入趋势指标,判断趋势强弱
  9. 考虑加入更多滤波器,进一步避免假突破

总结

该策略整体来说是一个非常适合中短线趋势交易的策略,其快慢EMA交叉判断入场时机,限价单避免追高杀跌,动态跟踪止损锁定利润的流程非常清晰合理、易于操作。通过一定的参数优化,可以进一步提高策略的胜率和盈利能力。当然也需要注意防范EMA周期不当、止损过于频繁等风险。总体来说,该策略简单高效,非常适合用于量化趋势交易。

策略源码
/*backtest
start: 2022-11-09 00:00:00
end: 2023-11-15 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © jordanfray

//@version=5
strategy(title="5 Minute EMA Strategy", overlay=true, max_bars_back=500, default_qty_type=strategy.percent_of_equity, default_qty_value=100,initial_capital=100000, commission_type=strategy.commission.percent, commission_value=0.05, backtest_fill_limits_assumption=2)

// Indenting Classs
indent_1 = " "
indent_2 = "  "
indent_3 = "   "
indent_4 = "    "

// Group Titles
group_one_title = "EMA Settings"
group_two_title = "Entry Settings"
group_three_title = "Trade Filters"

// Input Tips

ocean_blue = color.new(#0C6090,0)
sky_blue = color.new(#00A5FF,0)
green = color.new(#2DBD85,0)
red = color.new(#E02A4A,0)
light_blue = color.new(#00A5FF,85)
light_green = color.new(#2DBD85,85)
light_red = color.new(#E02A4A,85)
light_yellow = color.new(#FFF900,85)
white = color.new(#ffffff,0)
light_gray = color.new(#000000,70)
transparent = color.new(#000000,100)

// Strategy Settings - EMA
fast_EMA_length = input.int(defval=20, minval=1, title="Fast Length", group=group_one_title)
fast_EMA_type = input.string(defval="EMA", options = ["EMA", "SMA", "RMA", "WMA"], title=indent_4+"Type", group=group_one_title)
fast_EMA_source = input.source(defval=close, title=indent_4+"Source", group=group_one_title)
fast_EMA = switch fast_EMA_type
    "EMA" => ta.ema(fast_EMA_source, fast_EMA_length)
    "SMA" => ta.sma(fast_EMA_source, fast_EMA_length)
    "RMA" => ta.rma(fast_EMA_source, fast_EMA_length)
    "WMA" => ta.wma(fast_EMA_source, fast_EMA_length)
    => na
plot(fast_EMA, title="Fast EMA", linewidth=1, color=green, editable=true)

slow_EMA_length = input.int(defval=100, minval=1, title="Slow Length", group=group_one_title)
slow_EMA_type = input.string(defval="EMA", options = ["EMA", "SMA", "RMA", "WMA"], title=indent_4+"Type", group=group_one_title)
slow_EMA_source = input.source(defval=close, title=indent_4+"Source", group=group_one_title)
slow_EMA = switch slow_EMA_type
    "EMA" => ta.ema(slow_EMA_source, slow_EMA_length)
    "SMA" => ta.sma(slow_EMA_source, slow_EMA_length)
    "RMA" => ta.rma(slow_EMA_source, slow_EMA_length)
    "WMA" => ta.wma(slow_EMA_source, slow_EMA_length)
    => na
plot(slow_EMA, title="Slow EMA", linewidth=1, color=sky_blue, editable=true)


// EMA Macro Filter
enable_EMA_filter = input.bool(defval=false, title="Use EMA Filter", group=group_three_title)
EMA_filter_timeframe = input.timeframe(defval="", title=indent_4+"Timeframe", group=group_three_title)
EMA_filter_length = input.int(defval=300, minval=1, step=10, title=indent_4+"Length", group=group_three_title)
EMA_filter_source = input.source(defval=hl2, title=indent_4+"Source", group=group_three_title)
ema_filter = ta.ema(EMA_filter_source, EMA_filter_length)
ema_filter_smoothed = request.security(syminfo.tickerid, EMA_filter_timeframe, ema_filter[barstate.isrealtime ? 1 : 0], gaps=barmerge.gaps_on)
plot(enable_EMA_filter ? ema_filter_smoothed: na, title="EMA Macro Filter", linewidth=2, color=white, editable=true)


// Entry Settings
stop_loss_val = input.float(defval=2.0, title="Stop Loss (%)", step=0.1, group=group_two_title)/100
take_profit_val = input.float(defval=2.0, title="Take Profit (%)", step=0.1, group=group_two_title)/100
long_entry_limit_lookback = input.int(defval=3, title="Long Entry Limit Lookback", minval=1, step=1, group=group_two_title)
short_entry_limit_lookback = input.int(defval=3, title="Short Entry Limit Lookback", minval=1, step=1, group=group_two_title)
limit_order_long_price = ta.lowest(low, long_entry_limit_lookback)
limit_order_short_price = ta.highest(high, short_entry_limit_lookback)
start_trailing_after = input.float(defval=1, title="Start Trailing After (%)", step=0.1, group=group_two_title)/100
trail_behind = input.float(defval=1, title="Trail Behind (%)", step=0.1, group=group_two_title)/100
long_start_trailing_val = strategy.position_avg_price + (strategy.position_avg_price * start_trailing_after)
short_start_trailing_val = strategy.position_avg_price - (strategy.position_avg_price * start_trailing_after)
long_trail_behind_val = close - (strategy.position_avg_price * (trail_behind/100))
short_trail_behind_val = close + (strategy.position_avg_price * (trail_behind/100))
currently_in_a_long_postion = strategy.position_size > 0
currently_in_a_short_postion = strategy.position_size < 0
long_profit_target = strategy.position_avg_price * (1 + take_profit_val)
long_stop_loss = strategy.position_avg_price * (1.0 - stop_loss_val)
short_profit_target = strategy.position_avg_price * (1 - take_profit_val)
short_stop_loss = strategy.position_avg_price * (1 + stop_loss_val)

bars_since_entry = bar_index - strategy.opentrades.entry_bar_index(strategy.opentrades - 1)
plot(bars_since_entry, editable=false, title="Bars Since Entry", color=green)

long_run_up = currently_in_a_long_postion and bars_since_entry > 0 ? ta.highest(high, bars_since_entry) : high
long_trailing_stop = currently_in_a_long_postion and bars_since_entry > 0 and long_run_up > long_start_trailing_val ? long_run_up - (long_run_up * trail_behind) : long_stop_loss
long_run_up_line = plot(long_run_up, style=plot.style_stepline, editable=false, color=currently_in_a_long_postion ? green : transparent)
long_trailing_stop_line = plot(long_trailing_stop, style=plot.style_stepline, editable=false, color=currently_in_a_long_postion ? long_trailing_stop > strategy.position_avg_price ? green : red : transparent)

short_run_up = currently_in_a_short_postion and bars_since_entry > 0 ? ta.lowest(low, bars_since_entry) : low
short_trailing_stop = currently_in_a_short_postion and bars_since_entry > 0 and short_run_up < short_start_trailing_val ? short_run_up + (short_run_up * trail_behind) : short_stop_loss
// short_run_up_line = plot(short_run_up, style=plot.style_stepline, editable=false, color=currently_in_a_short_postion ? green : transparent)
short_trailing_stop_line = plot(short_trailing_stop, style=plot.style_stepline, editable=false, color=currently_in_a_short_postion ? short_trailing_stop < strategy.position_avg_price ? green : red : transparent)


// Trade Conditions
fast_EMA_cross_down_slow_EMA = ta.crossunder(fast_EMA,slow_EMA)
fast_EMA_cross_up_slow_EMA = ta.crossover(fast_EMA,slow_EMA)
plotshape(fast_EMA_cross_down_slow_EMA ? close : na, title="Short Entry Symbol", color=red, style=shape.triangledown, location=location.belowbar)
plotshape(fast_EMA_cross_up_slow_EMA ? close : na, title="Long Entry Symbol", color=green, style=shape.triangleup, location=location.abovebar)
fast_EMA_is_above_slow_EMA = fast_EMA > slow_EMA
fast_EMA_is_below_slow_EMA = fast_EMA < slow_EMA
ema_macro_filter_longs_only = fast_EMA > ema_filter_smoothed and slow_EMA > ema_filter_smoothed
ema_macro_filter_shorts_only = fast_EMA < ema_filter_smoothed and slow_EMA < ema_filter_smoothed

long_position_take_profit = ta.cross(close, long_trailing_stop) or close > long_profit_target
short_position_take_profit = ta.cross(close, short_trailing_stop) or close > short_profit_target

long_conditions_met = enable_EMA_filter ? ema_macro_filter_longs_only and fast_EMA_cross_up_slow_EMA and fast_EMA_is_above_slow_EMA and not currently_in_a_short_postion : fast_EMA_cross_up_slow_EMA and not currently_in_a_short_postion
short_conditions_met = enable_EMA_filter ? ema_macro_filter_shorts_only and fast_EMA_cross_down_slow_EMA and fast_EMA_is_below_slow_EMA and not currently_in_a_long_postion : fast_EMA_cross_down_slow_EMA and fast_EMA_is_below_slow_EMA and not currently_in_a_long_postion

// Long Entry
strategy.entry(id="Long", direction=strategy.long, limit=limit_order_long_price, when=long_conditions_met)
strategy.cancel(id="Cancel Long", when=ta.crossover(fast_EMA,slow_EMA))
strategy.exit(id="Close Long", from_entry="Long", stop=long_trailing_stop, limit=long_profit_target, when=long_position_take_profit)

// Short Entry 
strategy.entry(id="Short", direction=strategy.short, limit=limit_order_short_price, when=short_conditions_met)
strategy.cancel(id="Cancel Short", when=ta.crossunder(fast_EMA,slow_EMA))
strategy.exit(id="Close Short", from_entry="Short", stop=short_trailing_stop, limit=short_profit_target, when=short_position_take_profit)

entry = plot(strategy.position_avg_price, editable=false, title="Entry", style=plot.style_stepline, color=currently_in_a_long_postion or currently_in_a_short_postion ? color.blue : transparent, linewidth=1)
fill(entry,long_trailing_stop_line, editable=false, color=currently_in_a_long_postion ? long_trailing_stop > strategy.position_avg_price ? light_green : light_red : transparent)
fill(entry,short_trailing_stop_line, editable=false, color=currently_in_a_short_postion ? short_trailing_stop < strategy.position_avg_price ? light_green : light_red : transparent)
//ltp = plot(currently_in_a_long_postion ? long_profit_target : na, style=plot.style_stepline, title="Take Profit", color=currently_in_a_long_postion ? green : transparent, linewidth=1)
//lsl = plot(currently_in_a_long_postion ? long_stop_loss : na, style=plot.style_stepline, title="Take Profit", color=currently_in_a_long_postion ? red : transparent, linewidth=1)
//fill(entry,ltp, color= currently_in_a_long_postion ? light_green : light_red)
//fill(entry,lsl, color= currently_in_a_long_postion ? light_red : light_green)

//stp = plot(currently_in_a_short_postion ? short_profit_target : na, style=plot.style_stepline, title="Take Profit", color=currently_in_a_short_postion ? green : transparent, linewidth=1)
//ssl = plot(currently_in_a_short_postion ? short_stop_loss : na, style=plot.style_stepline, title="Take Profit", color=currently_in_a_short_postion ? red : transparent, linewidth=1)
//fill(entry,stp, color= currently_in_a_short_postion ? light_green : light_red)
//fill(entry,ssl, color= currently_in_a_short_postion ? light_red : light_green)