Chiến lược dừng lỗ theo xu hướng dựa trên chỉ báo RSI

/*backtest
start: 2023-11-11 00:00:00
end: 2023-12-11 00:00:00
period: 1h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

// Scalping strategy
// © Lukescream and Ninorigo
// (original version by Lukescream - lastest versions by Ninorigo) - v1.3
//

//@version=4
strategy(title="Scalping using RSI 2 indicator", shorttitle="RSI 2 Strategy", overlay=true, pyramiding=0, process_orders_on_close=false)

var bool ConditionEntryL = false
var bool ConditionEntryS = false


//***********
// Costants
//***********
def_start_date = timestamp("01 Jan 2021 07:30 +0000")
def_end_date   = timestamp("01 Dec 2024 07:30 +0000")

def_rsi_length = 2
def_overbought_value = 90
def_oversold_value   = 10

def_slow_ma_length = 200
def_fast_ma_length = 50
def_ma_choice      = "EMA"

def_tick   = 0.5
def_filter = true

def_trailing_stop = 1


//***********
// Change the optional parameters
//***********
start_time  = input(title="Start date", defval=def_start_date, type=input.time)
end_time    = input(title="End date", defval=def_end_date, type=input.time)
// RSI
src         = input(title="Source", defval=close, type=input.source)
rsi_length  = input(title="RSI Length", defval=def_rsi_length, minval=1, type=input.integer)
overbought_threshold = input(title="Overbought threshold", defval=def_overbought_value, type=input.float)
oversold_threshold   = input(title="Oversold threshold", defval=def_oversold_value, type=input.float)
// Moving average
slow_ma_length = input(title="Slow MA length", defval=def_slow_ma_length, type=input.integer)
fast_ma_length = input(title="Fast MA length", defval=def_fast_ma_length, type=input.integer)
ma_choice = input(title="MA choice", defval="EMA", options=["SMA", "EMA"])
// Input ticker
tick   = input(title="Ticker size", defval=def_tick, type=input.float)
filter = input(title="Trend Filter", defval=def_filter, type=input.bool)
// Trailing stop (%)
ts_rate = input(title="Trailing Stop %", defval=def_trailing_stop, type=input.float)


//***********
// RSI
//***********
// Calculate RSI
up   = rma(max(change(src), 0), rsi_length)
down = rma(-min(change(src), 0), rsi_length)
rsi = (down == 0 ? 100 : (up == 0 ? 0 : 100-100/(1+up/down)))


//***********
// Moving averages
//***********
slow_ma = (ma_choice == "SMA" ? sma(close, slow_ma_length) : ema(close, slow_ma_length))
fast_ma = (ma_choice == "SMA" ? sma(close, fast_ma_length) : ema(close, fast_ma_length))
// Show the moving averages
plot(slow_ma, color=color.white,  title="Slow MA")
plot(fast_ma, color=color.yellow, title="Fast MA")


//***********
// Strategy
//***********
if true
    // Determine the entry conditions (only market entry and market exit conditions)
    // Long position
    ConditionEntryL := (filter == true ? (fast_ma > slow_ma and close > slow_ma and rsi < oversold_threshold) : (fast_ma > slow_ma and rsi < oversold_threshold))
    // Short position
    ConditionEntryS := (filter == true ? (fast_ma < slow_ma and close < slow_ma and rsi > overbought_threshold) : (fast_ma < slow_ma and rsi > overbought_threshold))
   
    // Calculate the trailing stop
    ts_calc = close * (1/tick) * ts_rate * 0.01

    // Submit the entry orders and the exit orders
    // Long position
    if ConditionEntryL
        strategy.entry("RSI Long", strategy.long)
    // Exit from a long position
    strategy.exit("Exit Long", "RSI Long", trail_points=0, trail_offset=ts_calc)

    // Short position 
    if ConditionEntryS
        strategy.entry("RSI Short", strategy.short)
    // Exit from a short position
    strategy.exit("Exit Short", "RSI Short", trail_points=0, trail_offset=ts_calc)

// Highlights long conditions
bgcolor (ConditionEntryL ? color.navy : na, transp=60, offset=1, editable=true, title="Long position band")
// Highlights short conditions
bgcolor (ConditionEntryS ? color.olive : na, transp=60, offset=1, editable=true, title="Short position band")