ianzeng123
Overview
This strategy leverages dual Exponential Moving Averages (EMAs) to identify high-probability reversal opportunities when price gets rejected from EMA bands. Unlike simple EMA crossover strategies, it looks for price rejection from EMA bands that create strong momentum moves. The strategy uses 12-period and 21-period EMAs to construct trading zones, combined with candlestick patterns, trend consistency verification, and precise risk management system to capture market momentum.
Strategy Principles
The core principle of this strategy is to identify entry signals by recognizing when price rejects from EMA bands. It uses 12-period and 21-period EMAs to create upper and lower trading bands, determining market trend direction based on the relative position of the EMAs.
When EMA12 > EMA21, the market is in a bullish environment (green bands), and we look for long opportunities. Long conditions include: price wicking down to touch EMA bands, forming a strong bullish candle (body greater than lower wick), minimizing the upper wick (less than 2% of candle range), closing above both EMAs, the previous candle not closing below the lower band, and maintaining bullish trend consistency for several consecutive candles.
When EMA12 < EMA21, the market is in a bearish environment (red bands), and we look for short opportunities. Short conditions include: price wicking up to touch EMA bands, forming a strong bearish candle (body greater than upper wick), minimizing the lower wick (less than 2% of candle range), closing below both EMAs, the previous candle not closing above the upper band, and maintaining bearish trend consistency for several consecutive candles.
The strategy incorporates a risk management system with a fixed risk-reward ratio, defaulted to 3:1, with stop loss set at the previous candle’s high/low and take profit automatically calculated based on the risk-reward ratio.
Strategy Advantages
This strategy offers several significant advantages:
High win-rate potential: By capturing strong momentum moves after rejection from EMA bands, the strategy identifies trading opportunities with high probability of success.
Clear entry and exit rules: The strategy provides explicit trading conditions, reducing the impact of subjective judgment and emotional decisions.
Excellent risk management: Utilizing a fixed risk-reward ratio and automatic stop-loss and take-profit settings ensures controlled risk for each trade.
Trend-following edge: The strategy only trades in the direction of the dominant trend, avoiding the high risk of counter-trend operations.
Multiple timeframe compatibility: This strategy can operate effectively across various timeframes, offering flexible trading options.
Comprehensive alert system: Built-in detailed trade signal notifications ensure no trading opportunity is missed.
Visual assistance: Through background color changes and label prompts, trading signals and condition status are intuitively displayed.
Strategy Risks
Despite its sophisticated design, the strategy has the following potential risks:
Ranging market risk: In sideways or choppy markets, EMA bands may become tight, generating frequent but low-quality signals leading to consecutive stop losses.
Gap risk during volatile events: After significant news or events, markets may gap beyond stop loss levels, causing losses exceeding expectations.
Parameter over-optimization: Excessive optimization of strategy parameters may lead to curve fitting, causing the strategy to perform poorly in live trading.
Trend identification delay: As lagging indicators, EMAs may respond slowly at trend reversal points, causing missed optimal entries or delayed exits.
Stop-loss triggering risk: Market noise may trigger stop losses before price returns to the expected direction, causing unnecessary losses.
Solutions include: pausing trading during ranging markets; using volatility filters to avoid low-quality signals; combining other indicators for trend confirmation; regular backtesting and parameter optimization; considering trailing stops.
Strategy Optimization Directions
The strategy can be optimized in the following directions:
Dynamic risk management: Automatically adjust risk-reward ratio and position size based on market volatility, reducing risk exposure in highly volatile environments.
Advanced filter implementation: Incorporate ATR (Average True Range) indicator to filter signals during low volatility periods; add volume confirmation to verify the validity of price rejections.
Multiple timeframe analysis: Integrate trend direction from higher timeframes as additional filtering conditions, only entering trades when trends align across multiple timeframes.
Machine learning optimization: Utilize machine learning algorithms to dynamically adjust parameters, adapting to optimal parameter combinations for different market environments.
Trailing stop implementation: Implement trailing stop mechanisms after reaching certain profit levels, securing partial profits while allowing trends to develop.
Partial profit strategy: Implement a scaled profit-taking strategy, gradually reducing positions at different target prices to optimize overall risk-reward performance.
These optimization directions can enhance the strategy’s robustness, adaptability, and long-term profitability.
Conclusion
The Dual Exponential Moving Average Band Momentum Rejection Trading System is a comprehensive trading system that combines technical analysis, candlestick pattern recognition, and strict risk management. It captures explosive momentum market opportunities by identifying high-probability reversal points when price rejects from EMA bands. The core strengths of this strategy lie in its clear trading rules, fixed risk-reward framework, and trend consistency requirements, making it suitable for various market environments and timeframes.
Despite some potential risks, traders can further enhance the strategy’s robustness and profitability by implementing the suggested optimization measures. This strategy is particularly suitable for traders seeking a systematic, disciplined, and risk-controlled trading approach, benefiting both short-term and medium to long-term investors.
/*backtest
start: 2025-05-26 00:00:00
end: 2025-06-02 00:00:00
period: 5m
basePeriod: 5m
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT"}]
*/
//@version=5
strategy("Enhanced EMA Band Rejection Strategy", overlay=true, initial_capital=10000, default_qty_type=strategy.percent_of_equity, default_qty_value=10)
// Input parameters
ema12_length = input.int(12, title="EMA 12 Length")
ema21_length = input.int(21, title="EMA 21 Length")
max_wick_percent = input.float(2.0, title="Max Wick % at High/Low", minval=0.0, maxval=10.0)
risk_reward_ratio = input.float(3.0, title="Risk/Reward Ratio (R)", minval=1.0, maxval=10.0)
trend_consistency_bars = input.int(5, title="Trend Consistency Required (Bars)", minval=1, maxval=20)
// Notification Settings
enable_notifications = input.bool(true, title="Enable Notifications", group="Notifications")
notify_on_entry = input.bool(true, title="Notify on Trade Entry", group="Notifications")
notify_on_exit = input.bool(true, title="Notify on Trade Exit", group="Notifications")
notify_on_setup = input.bool(false, title="Notify on Potential Setup (Pre-Entry)", group="Notifications")
notify_on_failed_conditions = input.bool(false, title="Notify on Failed Conditions", group="Notifications")
// Calculate EMAs
ema12 = ta.ema(close, ema12_length)
ema21 = ta.ema(close, ema21_length)
// Determine upper and lower EMA bands
ema_upper = math.max(ema12, ema21)
ema_lower = math.min(ema12, ema21)
// Plot EMAs
plot(ema12, color=color.blue, linewidth=2, title="EMA 12")
plot(ema21, color=color.red, linewidth=2, title="EMA 21")
// Calculate candle components
body_size = math.abs(close - open)
upper_wick = high - math.max(open, close)
lower_wick = math.min(open, close) - low
candle_range = high - low
// Calculate wick percentages
upper_wick_percent = candle_range > 0 ? (upper_wick / candle_range) * 100 : 0
lower_wick_percent = candle_range > 0 ? (lower_wick / candle_range) * 100 : 0
// Determine EMA trend direction
ema_bullish = ema12 > ema21 // Green bands - bullish trend
ema_bearish = ema12 < ema21 // Red bands - bearish trend
// Check trend consistency for required number of bars
bullish_consistency_check = true
bearish_consistency_check = true
for i = 0 to trend_consistency_bars - 1
ema12_past = ta.ema(close[i], ema12_length)
ema21_past = ta.ema(close[i], ema21_length)
if ema12_past <= ema21_past
bullish_consistency_check := false
if ema12_past >= ema21_past
bearish_consistency_check := false
// Final trend conditions with consistency requirement
ema_bullish_consistent = ema_bullish and bullish_consistency_check
ema_bearish_consistent = ema_bearish and bearish_consistency_check
// NEW RULE: Previous candle close position relative to bands
prev_close_above_upper_band = close[1] > ema_upper[1]
prev_close_below_lower_band = close[1] < ema_lower[1]
prev_close_within_bands = close[1] >= ema_lower[1] and close[1] <= ema_upper[1]
// Long setup conditions (only when EMAs are bullish/green consistently)
long_wick_condition = low <= ema_lower or (low <= ema_upper and low >= ema_lower)
long_body_condition = body_size >= lower_wick
long_wick_percent_condition = upper_wick_percent <= max_wick_percent
long_bullish_candle = close > open
long_trend_condition = ema_bullish_consistent // Only long when bands are consistently green
long_close_above_bands = close > ema_upper // NEW: Close must be above both EMAs
// Previous candle must not have closed below the lower band
long_prev_close_condition = not prev_close_below_lower_band
long_setup = long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and long_trend_condition and long_close_above_bands and long_prev_close_condition
// Short setup conditions (only when EMAs are bearish/red consistently)
short_wick_condition = high >= ema_upper or (high >= ema_lower and high <= ema_upper)
short_body_condition = body_size >= upper_wick
short_wick_percent_condition = lower_wick_percent <= max_wick_percent
short_bearish_candle = close < open
short_trend_condition = ema_bearish_consistent // Only short when bands are consistently red
short_close_below_bands = close < ema_lower // NEW: Close must be below both EMAs
// Previous candle must not have closed above the upper band
short_prev_close_condition = not prev_close_above_upper_band
short_setup = short_wick_condition and short_body_condition and short_wick_percent_condition and short_bearish_candle and short_trend_condition and short_close_below_bands and short_prev_close_condition
// Entry conditions
var float long_sl = na
var float short_sl = na
var float long_tp = na
var float short_tp = na
if long_setup and strategy.position_size == 0
strategy.entry("Long", strategy.long)
long_sl := low
risk_amount = close - long_sl
long_tp := close + (risk_amount * risk_reward_ratio)
label.new(bar_index, low, "LONG", style=label.style_label_up, color=color.green, size=size.small)
// Entry Notification
if enable_notifications and notify_on_entry
alert("🟢 LONG ENTRY SIGNAL\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Price: " + str.tostring(close, "#.####") + "\n" +
"Stop Loss: " + str.tostring(long_sl, "#.####") + "\n" +
"Take Profit: " + str.tostring(long_tp, "#.####") + "\n" +
"Risk/Reward: " + str.tostring(risk_reward_ratio, "#.##") + "R\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
if short_setup and strategy.position_size == 0
strategy.entry("Short", strategy.short)
short_sl := high
risk_amount = short_sl - close
short_tp := close - (risk_amount * risk_reward_ratio)
label.new(bar_index, high, "SHORT", style=label.style_label_down, color=color.red, size=size.small)
// Entry Notification
if enable_notifications and notify_on_entry
alert("🔴 SHORT ENTRY SIGNAL\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Price: " + str.tostring(close, "#.####") + "\n" +
"Stop Loss: " + str.tostring(short_sl, "#.####") + "\n" +
"Take Profit: " + str.tostring(short_tp, "#.####") + "\n" +
"Risk/Reward: " + str.tostring(risk_reward_ratio, "#.##") + "R\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
// Exit conditions with fixed R:R
if strategy.position_size > 0
// Long position - fixed stop loss and take profit
strategy.exit("Long Exit", "Long", stop=long_sl, limit=long_tp)
// Exit Notifications
if enable_notifications and notify_on_exit
if close <= long_sl
alert("🛑 LONG STOP LOSS HIT\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Exit Price: " + str.tostring(close, "#.####") + "\n" +
"Loss: " + str.tostring(close - strategy.position_avg_price, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
if close >= long_tp
alert("🎯 LONG TAKE PROFIT HIT\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Exit Price: " + str.tostring(close, "#.####") + "\n" +
"Profit: " + str.tostring(close - strategy.position_avg_price, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
if strategy.position_size < 0
// Short position - fixed stop loss and take profit
strategy.exit("Short Exit", "Short", stop=short_sl, limit=short_tp)
// Exit Notifications
if enable_notifications and notify_on_exit
if close >= short_sl
alert("🛑 SHORT STOP LOSS HIT\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Exit Price: " + str.tostring(close, "#.####") + "\n" +
"Loss: " + str.tostring(strategy.position_avg_price - close, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
if close <= short_tp
alert("🎯 SHORT TAKE PROFIT HIT\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Exit Price: " + str.tostring(close, "#.####") + "\n" +
"Profit: " + str.tostring(strategy.position_avg_price - close, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
// Plot stop levels and take profit levels
plot(strategy.position_size > 0 ? long_sl : na, color=color.red, linewidth=2, style=plot.style_line, title="Long SL")
plot(strategy.position_size < 0 ? short_sl : na, color=color.red, linewidth=2, style=plot.style_line, title="Short SL")
plot(strategy.position_size > 0 ? long_tp : na, color=color.green, linewidth=2, style=plot.style_line, title="Long TP")
plot(strategy.position_size < 0 ? short_tp : na, color=color.green, linewidth=2, style=plot.style_line, title="Short TP")
// Additional Notification Logic
// Potential Setup Notifications (when most conditions are met but not all)
long_potential_setup = long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and long_trend_condition and long_prev_close_condition and not long_close_above_bands
short_potential_setup = short_wick_condition and short_body_condition and short_wick_percent_condition and short_bearish_candle and short_trend_condition and short_prev_close_condition and not short_close_below_bands
if enable_notifications and notify_on_setup and strategy.position_size == 0
if long_potential_setup
alert("⚠️ POTENTIAL LONG SETUP\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Price: " + str.tostring(close, "#.####") + "\n" +
"Status: Close needs to be above " + str.tostring(ema_upper, "#.####") + "\n" +
"Current Close: " + str.tostring(close, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
if short_potential_setup
alert("⚠️ POTENTIAL SHORT SETUP\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Price: " + str.tostring(close, "#.####") + "\n" +
"Status: Close needs to be below " + str.tostring(ema_lower, "#.####") + "\n" +
"Current Close: " + str.tostring(close, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
// Failed Conditions Notifications (for debugging)
if enable_notifications and notify_on_failed_conditions and strategy.position_size == 0
if long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and not long_trend_condition
alert("❌ LONG SETUP FAILED\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Reason: " + (not ema_bullish ? "EMA trend bearish" : "EMA trend not consistent") + "\n" +
"EMA12: " + str.tostring(ema12, "#.####") + "\n" +
"EMA21: " + str.tostring(ema21, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
if short_wick_condition and short_body_condition and short_wick_percent_condition and short_bearish_candle and not short_trend_condition
alert("❌ SHORT SETUP FAILED\n" +
"Symbol: " + syminfo.ticker + "\n" +
"Reason: " + (not ema_bearish ? "EMA trend bullish" : "EMA trend not consistent") + "\n" +
"EMA12: " + str.tostring(ema12, "#.####") + "\n" +
"EMA21: " + str.tostring(ema21, "#.####") + "\n" +
"Time: " + str.tostring(time), alert.freq_once_per_bar)
bgcolor(long_setup ? color.new(color.green, 90) : na, title="Long Setup")
bgcolor(short_setup ? color.new(color.red, 90) : na, title="Short Setup")
// Show when previous close condition fails
bgcolor(long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and long_trend_condition and prev_close_below_lower_band ? color.new(color.orange, 95) : na, title="Long Rejected by Prev Close")
bgcolor(short_wick_condition and short_body_condition and short_wick_percent_condition and short_bearish_candle and short_trend_condition and prev_close_above_upper_band ? color.new(color.orange, 95) : na, title="Short Rejected by Prev Close")
// Detailed debugging for failed conditions
long_all_conditions_except_prev = long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and long_trend_condition and long_close_above_bands
bgcolor(long_all_conditions_except_prev and prev_close_below_lower_band ? color.new(color.purple, 90) : na, title="Long Failed: Prev Close Below Band")
bgcolor(long_wick_condition and not long_body_condition ? color.new(color.yellow, 90) : na, title="Long Failed: Body Too Small")
bgcolor(long_wick_condition and long_body_condition and not long_wick_percent_condition ? color.new(color.blue, 90) : na, title="Long Failed: Upper Wick Too Big")
bgcolor(long_wick_condition and long_body_condition and long_wick_percent_condition and not long_bullish_candle ? color.new(color.gray, 90) : na, title="Long Failed: Not Bullish Candle")
bgcolor(long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and ema_bullish and not ema_bullish_consistent ? color.new(color.fuchsia, 90) : na, title="Long Failed: Trend Not Consistent")
bgcolor(long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and not ema_bullish ? color.new(color.maroon, 90) : na, title="Long Failed: EMA Trend Bearish")
bgcolor(long_wick_condition and long_body_condition and long_wick_percent_condition and long_bullish_candle and long_trend_condition and not long_close_above_bands ? color.new(color.lime, 90) : na, title="Long Failed: Close Not Above Bands")
// Similar debugging for shorts
short_all_conditions_except_prev = short_wick_condition and short_body_condition and short_wick_percent_condition and short_bearish_candle and short_trend_condition and short_close_below_bands
bgcolor(short_all_conditions_except_prev and prev_close_above_upper_band ? color.new(color.purple, 90) : na, title="Short Failed: Prev Close Above Band")
bgcolor(short_wick_condition and short_body_condition and short_wick_percent_condition and short_bearish_candle and short_trend_condition and not short_close_below_bands ? color.new(color.aqua, 90) : na, title="Short Failed: Close Not Below Bands")
// Enhanced table for debugging
if barstate.islast
var table debug_table = table.new(position.top_right, 2, 19, bgcolor=color.white, border_width=1)
table.cell(debug_table, 0, 0, "Condition", text_color=color.black, bgcolor=color.gray)
table.cell(debug_table, 1, 0, "Value", text_color=color.black, bgcolor=color.gray)
table.cell(debug_table, 0, 1, "Body Size", text_color=color.black)
table.cell(debug_table, 1, 1, str.tostring(body_size, "#.##"), text_color=color.black)
table.cell(debug_table, 0, 2, "Upper Wick", text_color=color.black)
table.cell(debug_table, 1, 2, str.tostring(upper_wick, "#.##"), text_color=color.black)
table.cell(debug_table, 0, 3, "Lower Wick", text_color=color.black)
table.cell(debug_table, 1, 3, str.tostring(lower_wick, "#.##"), text_color=color.black)
table.cell(debug_table, 0, 4, "Upper Wick %", text_color=color.black)
table.cell(debug_table, 1, 4, str.tostring(upper_wick_percent, "#.##") + "%", text_color=color.black)
table.cell(debug_table, 0, 5, "Lower Wick %", text_color=color.black)
table.cell(debug_table, 1, 5, str.tostring(lower_wick_percent, "#.##") + "%", text_color=color.black)
table.cell(debug_table, 0, 6, "EMA Upper", text_color=color.black)
table.cell(debug_table, 1, 6, str.tostring(ema_upper, "#.##"), text_color=color.black)
table.cell(debug_table, 0, 7, "EMA Lower", text_color=color.black)
table.cell(debug_table, 1, 7, str.tostring(ema_lower, "#.##"), text_color=color.black)
table.cell(debug_table, 0, 8, "R:R Ratio", text_color=color.black)
table.cell(debug_table, 1, 8, str.tostring(risk_reward_ratio, "#.##") + "R", text_color=color.black)
table.cell(debug_table, 0, 9, "Position", text_color=color.black)
table.cell(debug_table, 1, 9, strategy.position_size > 0 ? "LONG" : strategy.position_size < 0 ? "SHORT" : "NONE", text_color=color.black)
// NEW DEBUG INFO
table.cell(debug_table, 0, 10, "Prev Close", text_color=color.black)
table.cell(debug_table, 1, 10, str.tostring(close[1], "#.##"), text_color=color.black)
table.cell(debug_table, 0, 11, "Prev Above Upper", text_color=color.black)
table.cell(debug_table, 1, 11, prev_close_above_upper_band ? "YES" : "NO", text_color=color.black)
table.cell(debug_table, 0, 12, "Prev Below Lower", text_color=color.black)
table.cell(debug_table, 1, 12, prev_close_below_lower_band ? "YES" : "NO", text_color=color.black)
table.cell(debug_table, 0, 13, "Prev Within Bands", text_color=color.black)
table.cell(debug_table, 1, 13, prev_close_within_bands ? "YES" : "NO", text_color=color.black)
// NEW: Trend consistency info
table.cell(debug_table, 0, 14, "Bullish Consistent", text_color=color.black)
table.cell(debug_table, 1, 14, ema_bullish_consistent ? "YES" : "NO", text_color=color.black)
table.cell(debug_table, 0, 15, "Bearish Consistent", text_color=color.black)
table.cell(debug_table, 1, 15, ema_bearish_consistent ? "YES" : "NO", text_color=color.black)
table.cell(debug_table, 0, 16, "Consistency Bars", text_color=color.black)
table.cell(debug_table, 1, 16, str.tostring(trend_consistency_bars), text_color=color.black)
// NEW: Close position relative to bands
table.cell(debug_table, 0, 17, "Close Above Upper", text_color=color.black)
table.cell(debug_table, 1, 17, close > ema_upper ? "YES" : "NO", text_color=color.black)
table.cell(debug_table, 0, 18, "Close Below Lower", text_color=color.black)
table.cell(debug_table, 1, 18, close < ema_lower ? "YES" : "NO", text_color=color.black)