ChaoZhang
概述
该策略结合RSI指标和加权移动平均线,实现趋势跟踪交易。当RSI高于60时看涨,当RSI低于40时看空,同时要求移动平均线满足趋势条件。采用40周期的RSI作为趋势跟踪指标。加权移动平均线通过不同权重降低短期波动的影响。策略同时设置止损和移动止盈来控制风险。
策略原理
该策略首先计算RSI和加权移动平均线。RSI长度为20周期,加权移动平均线长度为20,权重设置较大以减少短期波动的影响。当RSI大于60并且加权移动平均线的变化率小于-1%时,执行做多操作;当RSI小于40并且加权移动平均线的变化率大于1%时,执行做空操作。
做多做空后,会同时设置止损单和移动止盈单。止损距离当前价格3倍ATR;移动止盈初激活价格距离当前价格4倍ATR,之后以3%的幅度进行移动。当价格触及止损或移动止盈激活价时,会关闭对应的头寸。
该策略还加入资金管理规则,通过固定比例法调整头寸。每当盈利或亏损达到固定金额时,就增加或减少固定数量的交易量。
优势分析
- 使用RSI指标进行趋势判断,能够有效跟踪趋势
- 加权移动平均线通过不同权重降低短期波动的影响,避免被套
- 采用移动止盈,让利润最大化
- 固定比例法资金管理有效控制风险
该策略整体优势在于能够跟踪趋势,同时采取止损和移动止盈措施来控制风险,从而在强势行情中获得较好收益。
风险分析
- RSI指标发出错误信号可能导致不必要的交易
- 突破止损或移动止盈价格时会被迫止损,无法持续跟踪趋势
- 资金管理规则可能过于激进,带来较大亏损
该策略主要风险在于RSI指标的可靠性以及止损移动止盈设置是否合理。如果参数设置不当,可能导致不必要平仓或超出承受能力的亏损。此外,突破止损或止盈价格时也可能被迫止损,失去继续跟踪趋势的机会。
可以考虑优化RSI参数,或改用其他指标辅助判断。调整止损移动止盈参数以适应不同品种和波动情况。最后要审慎设置资金管理规则,不能过于激进以避免超出风险承受能力。
优化方向
- 尝试其他指标结合RSI进行信号确认,如KD、MACD等
- 根据不同品种特点和波动范围优化止损移动止盈参数
- 尝试其他资金管理方法,如固定量交易、 Kelly公式等
- 添加开仓条件,如突破布林线、RSI背离等
- 考虑加入离场价格,在强势趋势中追加仓位
该策略可以从多个方面进行优化。首先是寻找能够辅助或确认RSI指标的其他技术指标,提高信号可靠性。其次,根据具体品种特点优化止损移动止盈参数非常关键。可以测试不同参数在历史数据上的收益效果。资金管理也可以调整为其他类型方法。最后,开仓和加仓条件都可以进一步优化,在趋势较强时适当追加仓位。
总结
该RSI趋势跟踪策略整体思路清晰,核心在于使用RSI判断趋势方向,并辅助以加权移动平均线提高判断准确性。策略优势在于能够跟踪趋势并最大限度锁定利润,同时也设置了止损和资金管理来控制风险。但RSI指标可靠性较低以及参数设置都存在可优化空间。我们可以从优化信号指标、止损移动止盈参数以及资金管理方法等方面入手,使策略更适合不同品种并获得更佳效果。
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Overview
This strategy combines the RSI indicator and weighted moving average for trend following trading. It goes long when RSI is above 60 and goes short when RSI is below 40, with the moving average verifying the trend condition. The 40-period RSI acts as a trend following indicator. The weighted moving average uses different weights to reduce the impact of short-term fluctuations. The strategy also employs stop loss and trailing take profit to control risks.
Strategy Logic
The strategy firstly calculates the RSI and weighted moving average. The RSI length is 20 periods and the weighted MA length is 20 with higher weights that reduce the impact of short-term volatility. It goes long when RSI is above 60 and weighted MA rate of change is below -1%. It goes short when RSI is below 40 and weighted MA rate of change is above 1%.
After opening long or short, stop loss and trailing take profit orders are placed simultaneously. The stop loss is set at 3 ATR from the current price. The initial trailing take profit activation is 4 ATR away, and trails in 3% increments. When price hits either stop loss or trailing take profit activation, the position will be closed.
The strategy also incorporates money management rules based on the fixed fractional position sizing approach. Whenever PNL hits a fixed amount, the order size is increased or decreased by a fixed amount.
Advantage Analysis
- RSI indicator can effectively track trends
- Weighted MA reduces the impact of short-term fluctuations, avoiding whipsaws
- Trailing take profit allows profits to be maximized
- Fixed fraction position sizing controls risk effectively
The overall edge is the ability to follow trends, while taking stop loss and trailing take profit measures to control risks, thus capturing significant gains in strong trends.
Risk Analysis
- False signals from RSI may cause unnecessary trades
- Forced to stop out when price breaches stop or trailing take profit levels, unable to keep following trends
- Aggressive money management rules may lead to large losses
The main risks come from the reliability of RSI signals and the stop loss/trailing take profit settings. Incorrect parameters may result in unnecessary closing of trades or losses beyond risk appetite. Breaking stop loss/take profit may also force unwarranted stop outs, losing the chance to continue trend trading.
Solutions include optimizing RSI parameters or adding other indicators for signal confirmation. Adjust stop/trailing take profit levels based on different products and volatility conditions. Also be prudent with money management rules to avoid excessive risks.
Optimization Directions
- Test other indicators together with RSI for signal confirmation, e.g. KD, MACD etc
- Optimize stop loss and trailing take profit parameters based on product characteristics and volatility range
- Try other money management techniques like fixed size trading, Kelly formula etc
- Add entry conditions like Bollinger breakouts, RSI divergences etc
- Consider adding positions on strong trends
There are many aspects to optimize. First is identifying other indicators to supplement RSI signals. Next critical step is optimizing stop loss/trailing take profit parameters based on historical performance. Money management can also switch to other types. Finally, entry, add-on conditions can be enhanced to pyramiding positions in strong trends.
Summary
The RSI trend following strategy has clear logic, using RSI for trend direction and weighted MA for confirmation. Its strength lies in trend trading, maximizing profits with stops/money management controlling risks. But RSI reliability and parameter optimization need improvement. We can look into enhancing signal indicators, stop/trailing parameters, money management methods etc to make the strategy more robust across different products.
[/trans]
/*backtest
start: 2023-01-01 00:00:00
end: 2023-06-24 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/
// © gsanson66
//This code is based on RSI and a backed weighted MA
//@version=5
strategy("RSI + MA BACKTESTING", overlay=true, initial_capital=1000, default_qty_type=strategy.fixed, commission_type=strategy.commission.percent, commission_value=0.18)
//------------------------FUNCTIONS---------------------------//
//@function which calculate a retro weighted moving average to minimize the impact of short term reversal
rwma(source, length) =>
sum = 0.0
denominator = 0.0
weight = 0.0
weight_x = 100/(4+(length-4)*1.30)
weight_y = 1.30*weight_x
for i=0 to length - 1
if i <= 3
weight := weight_x
else
weight := weight_y
sum := sum + source[i] * weight
denominator := denominator + weight
rwma = sum/denominator
//@function which permits the user to choose a moving average type
ma(source, length, type) =>
switch type
"SMA" => ta.sma(source, length)
"RWMA" => rwma(source, length)
//@function Displays text passed to `txt` when called.
debugLabel(txt, color) =>
label.new(bar_index, high, text = txt, color=color, style = label.style_label_lower_right, textcolor = color.black, size = size.small)
//@function which looks if the close date of the current bar falls inside the date range
inBacktestPeriod(start, end) => (time >= start) and (time <= end)
//--------------------------------USER INPUTS-------------------------------//
//Technical parameters
rsiLengthInput = input.int(20, minval=1, title="RSI Length", group="RSI Settings")
maTypeInput = input.string("RWMA", title="MA Type", options=["SMA", "RWMA"], group="MA Settings", inline="1")
maLenghtInput = input.int(20, minval=1, title="MA Length", group="MA Settings", inline="1")
rsiLongSignalValue = input.int(60, minval=1, maxval=99, title="RSI Long Signal", group="Strategy parameters", inline="3")
rsiShortSignalValue = input.int(40, minval=1, maxval=99, title="RSI Short Signal", group="Strategy parameters", inline="3")
rocMovAverLongSignalValue = input.float(-1, maxval=0, title="ROC MA Long Signal", group="Strategy parameters", inline="4")
rocMovAverShortSignalValue = input.float(1, minval=0, title="ROC MA Short Signal", group="Strategy parameters", inline="4")
//TP Activation and Trailing TP
takeProfitActivationInput = input.float(4, minval=1.0, title="TP activation in multiple of ATR", group="Strategy parameters")
trailingStopInput = input.float(3, minval=0, title="Trailing TP in percentage", group="Strategy parameters")
//Money Management
fixedRatio = input.int(defval=400, minval=1, title="Fixed Ratio Value ($)", group="Money Management")
increasingOrderAmount = input.int(defval=200, minval=1, title="Increasing Order Amount ($)", group="Money Management")
//Backtesting period
startDate = input(title="Start Date", defval=timestamp("1 Jan 2018 00:00:00"), group="Backtesting Period")
endDate = input(title="End Date", defval=timestamp("1 July 2024 00:00:00"), group="Backtesting Period")
strategy.initial_capital = 50000
//------------------------------VARIABLES INITIALISATION-----------------------------//
float rsi = ta.rsi(close, rsiLengthInput)
float ma = ma(close, maLenghtInput, maTypeInput)
float roc_ma = ((ma/ma[maLenghtInput]) - 1)*100
float atr = ta.atr(20)
var float trailingStopOffset = na
var float trailingStopActivation = na
var float trailingStop = na
var float stopLoss = na
var bool long = na
var bool short = na
var bool bufferTrailingStopDrawing = na
float theoreticalStopPrice = na
bool inRange = na
equity = strategy.equity - strategy.openprofit
var float capital_ref = strategy.initial_capital
var float cashOrder = strategy.initial_capital * 0.95
//------------------------------CHECKING SOME CONDITIONS ON EACH SCRIPT EXECUTION-------------------------------//
//Checking if the date belong to the range
inRange := true
//Checking performances of the strategy
if equity > capital_ref + fixedRatio
spread = (equity - capital_ref)/fixedRatio
nb_level = int(spread)
increasingOrder = nb_level * increasingOrderAmount
cashOrder := cashOrder + increasingOrder
capital_ref := capital_ref + nb_level*fixedRatio
if equity < capital_ref - fixedRatio
spread = (capital_ref - equity)/fixedRatio
nb_level = int(spread)
decreasingOrder = nb_level * increasingOrderAmount
cashOrder := cashOrder - decreasingOrder
capital_ref := capital_ref - nb_level*fixedRatio
//Checking if we close all trades in case where we exit the backtesting period
if strategy.position_size!=0 and not inRange
debugLabel("END OF BACKTESTING PERIOD : we close the trade", color=color.rgb(116, 116, 116))
strategy.close_all()
bufferTrailingStopDrawing := false
stopLoss := na
trailingStopActivation := na
trailingStop := na
short := false
long := false
//------------------------------STOP LOSS AND TRAILING STOP ACTIVATION----------------------------//
// We handle the stop loss and trailing stop activation
if (low <= stopLoss or high >= trailingStopActivation) and long
if high >= trailingStopActivation
bufferTrailingStopDrawing := true
else if low <= stopLoss
long := false
stopLoss := na
trailingStopActivation := na
if (low <= trailingStopActivation or high >= stopLoss) and short
if low <= trailingStopActivation
bufferTrailingStopDrawing := true
else if high >= stopLoss
short := false
stopLoss := na
trailingStopActivation := na
//-------------------------------------TRAILING STOP--------------------------------------//
// If the traling stop is activated, we manage its plotting with the bufferTrailingStopDrawing
if bufferTrailingStopDrawing and long
theoreticalStopPrice := high - trailingStopOffset * syminfo.mintick
if na(trailingStop)
trailingStop := theoreticalStopPrice
else if theoreticalStopPrice > trailingStop
trailingStop := theoreticalStopPrice
else if low <= trailingStop
trailingStop := na
bufferTrailingStopDrawing := false
long := false
if bufferTrailingStopDrawing and short
theoreticalStopPrice := low + trailingStopOffset * syminfo.mintick
if na(trailingStop)
trailingStop := theoreticalStopPrice
else if theoreticalStopPrice < trailingStop
trailingStop := theoreticalStopPrice
else if high >= trailingStop
trailingStop := na
bufferTrailingStopDrawing := false
short := false
//---------------------------------LONG CONDITION--------------------------//
if rsi >= 60 and roc_ma <= rocMovAverLongSignalValue and inRange and not long
if short
bufferTrailingStopDrawing := false
stopLoss := na
trailingStopActivation := na
trailingStop := na
short := false
trailingStopActivation := close + takeProfitActivationInput*atr
trailingStopOffset := (trailingStopActivation * trailingStopInput/100) / syminfo.mintick
stopLoss := close - 3*atr
long := true
qty = cashOrder/close
strategy.entry("Long", strategy.long, qty)
strategy.exit("Exit Long", "Long", stop = stopLoss, trail_price = trailingStopActivation,
trail_offset = trailingStopOffset)
//--------------------------------SHORT CONDITION-------------------------------//
if rsi <= 40 and roc_ma >= rocMovAverShortSignalValue and inRange and not short
if long
bufferTrailingStopDrawing := false
stopLoss := na
trailingStopActivation := na
trailingStop := na
long := false
trailingStopActivation := close - takeProfitActivationInput*atr
trailingStopOffset := (trailingStopActivation * trailingStopInput/100) / syminfo.mintick
stopLoss := close + 3*atr
short := true
qty = cashOrder/close
strategy.entry("Short", strategy.short, qty)
strategy.exit("Exit Short", "Short", stop = stopLoss, trail_price = trailingStopActivation,
trail_offset = trailingStopOffset)
//--------------------------------PLOTTING ELEMENT---------------------------------//
// Plotting of element in the graph
plotchar(rsi, "RSI", "", location.top, color.rgb(0, 214, 243))
plot(ma, "MA", color.rgb(219, 219, 18))
plotchar(roc_ma, "ROC MA", "", location.top, color=color.orange)
// Visualizer trailing stop and stop loss movement
plot(stopLoss, "SL", color.red, 3, plot.style_linebr)
plot(trailingStopActivation, "Trigger Trail", color.green, 3, plot.style_linebr)
plot(trailingStop, "Trailing Stop", color.blue, 3, plot.style_linebr)