মাল্টি-টাইমফ্রেম বলিঙ্গার ব্যান্ড ক্রিপ্টোকারেন্সি কৌশল

/*backtest
start: 2024-01-27 00:00:00
end: 2024-02-26 00:00:00
period: 1h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy(shorttitle="Crypto BB", title="Multi-Interval Bollinger Band Crypto Strategy", overlay=true)
length = input.int(20, minval=1)
maType = input.string("SMA", "Basis MA Type", options = ["SMA", "EMA", "SMMA (RMA)", "WMA", "VWMA"])
src = input(close, title="Source")
mult = input.float(1.5, minval=0.001, maxval=50, title="StdDev")

interval1m = request.security(syminfo.tickerid, '1', src)
interval3m = request.security(syminfo.tickerid, '3', src)
interval5m = request.security(syminfo.tickerid, '5', src)
interval15m = request.security(syminfo.tickerid, '5', src)
btcinterval5m = request.security("BTC_USDT:swap", "5", src)
bitcoinSignal = 'flat'

var entryPrice = 0.000

ma(source, length, _type) =>
    switch _type
        "SMA" => ta.sma(source, length)
        "EMA" => ta.ema(source, length)
        "SMMA (RMA)" => ta.rma(source, length)
        "WMA" => ta.wma(source, length)
        "VWMA" => ta.vwma(source, length)

bitcoinBasis = ma(btcinterval5m, length, maType)
bitcoinDev = ta.stdev(btcinterval5m, length)
bitcoinUpper = bitcoinBasis + bitcoinDev
bitcoinLower = bitcoinBasis - bitcoinDev

basis1m = ma(interval1m, length, maType)
basis3m = ma(interval3m, length, maType)
basis5m = ma(interval5m, length, maType)
basis15m = ma(interval5m, length, maType)
dev1m = mult * ta.stdev(interval1m, length)
dev3m = mult * ta.stdev(interval3m, length)
dev5m = mult * ta.stdev(interval5m, length)
upper1m = basis1m + dev1m
lower1m = basis1m - dev1m
upper3m = basis3m + dev3m
lower3m = basis3m - dev3m
upper5m = basis5m + dev5m
lower5m = basis5m - dev5m
offset = input.int(0, "Offset", minval = -500, maxval = 500)
plot(basis3m, "Basis 3 minute", color=#2962FF, offset = offset)
p3upper = plot(upper3m, "Upper", color=#2962FF, offset = offset)
p3lower = plot(lower3m, "Lower", color=#2962FF, offset = offset)

//Exit protocols
if strategy.opentrades != 0 and strategy.opentrades.entry_id(0) == 'Buy'
    entryPrice := strategy.opentrades.entry_price(0)
    if ((interval1m - entryPrice)/entryPrice) * 30 > .25
        strategy.close('Buy', comment='Take Profit on Buy')
    if ((interval1m - entryPrice)/entryPrice) * 30 < -.25
        strategy.close('Buy', comment='Stop Loss on Buy')

if strategy.opentrades != 0 and strategy.opentrades.entry_id(0) == 'Sell'
    entryPrice := strategy.opentrades.entry_price(0)
    if ((entryPrice - interval1m)/entryPrice) * 30 > .25
        strategy.close('Sell', comment='Take Profit on Sell')
    if ((entryPrice - interval1m)/entryPrice) * 30 < -.25
        strategy.close('Sell', comment='Stop Loss on Sell')

//Bitcoin Analysis
if (btcinterval5m < bitcoinUpper and btcinterval5m[1] > bitcoinUpper[1] and btcinterval5m[2] < bitcoinUpper[2] and btcinterval5m[3] < bitcoinUpper[3])
    bitcoinSignal := 'Bear'
if (btcinterval5m > bitcoinUpper and btcinterval5m[1] < bitcoinUpper[1] and btcinterval5m[2] > bitcoinUpper[2] and btcinterval5m[3] > bitcoinUpper[3])
    bitcoinSignal := 'Bull'

//Short protocols
if (interval3m < basis3m and interval3m[1] > basis3m[1] and interval3m[2] < basis3m[2] and interval3m[3] < basis3m[3]) or 
 (interval5m < basis5m and interval5m[1] > basis5m[1] and interval5m[2] < basis5m[2] and interval5m[3] < basis5m[3]) 
  and strategy.opentrades.entry_id(0) != 'Sell'
   and src < basis1m and src < basis15m
    if strategy.opentrades.entry_id(0) == 'Buy'
        strategy.close('Buy', 'Basis Band Bearish Reversal')
    //strategy.order('Sell', strategy.short, comment = 'Basis band fractal rejection', stop = (upper1m + basis1m)/2)

if (interval3m < upper3m and interval3m[1] > upper3m[1] and interval3m[2] < upper3m[2] and interval3m[3] < upper3m[3]) or 
 (interval5m < upper5m and interval5m[1] > upper5m[1] and interval5m[2] < upper5m[2] and interval5m[3] < upper5m[3]) 
  and strategy.opentrades.entry_id(0) != 'Sell' and bitcoinSignal == 'Bear' and src < upper1m  and src < basis15m
    if strategy.opentrades.entry_id(0) == 'Buy'
        strategy.close('Buy', 'Bearish Trend Reversal')
    strategy.order('Sell', strategy.short, comment = 'Upper band fractal rejection', stop = (upper1m + basis1m)/2)

if (interval3m > basis3m and interval3m[1] < basis3m[1] and interval3m[2] > basis3m[2] and interval3m[3] > basis3m[3]) or 
 (interval5m > basis5m and interval5m[1] < basis5m[1] and interval5m[2] > basis5m[2] and interval5m[3] > basis5m[3]) and strategy.opentrades.entry_id(0) != 'Buy' 
  and src > basis1m  and src > basis15m
    if strategy.opentrades.entry_id(0) == 'Sell'
        strategy.close('Sell', 'Basis Band Bullish Reversal')
    //strategy.order('Buy', strategy.long, comment = 'Basis band fractal rejection', stop = (lower1m + basis1m)/2)

if (interval3m > lower3m and interval3m[1] < lower3m[1] and interval3m[2] > lower3m[2] and interval3m[3] > lower3m[3]) or 
 (interval5m > lower5m and interval5m[1] < lower5m[1] and interval5m[2] > lower5m[2] and interval5m[3] > basis5m[3]) and strategy.opentrades.entry_id(0) != 'Buy' 
  and src > lower1m  and src > basis15m and bitcoinSignal == 'Bull' 
    if strategy.opentrades.entry_id(0) == 'Sell'
        strategy.close('Sell', 'Bullish Trend Reversal')
    strategy.order('Buy', strategy.long, comment = 'Lower band fractal rejection', stop = (lower1m + basis1m)/2)