OPEN-SOURCE SCRIPT

My strategy


//version=5
strategy("Dynamic RSI Momentum", "DRM Strategy", process_orders_on_close = true, default_qty_type = strategy.percent_of_equity, default_qty_value = 50 )

// +++++++++++++++++++++
// ++ INPUT ++
// +++++++++++++++++++++

// Momentum
len = input.int(10, "Momentum Length", 1, group = "Dynamic RSI Momentum")
src = input.source(close, "Source", group = "Dynamic RSI Momentum")

min_rsi = input.int(20, "Min RSI", group = "Dynamic RSI Momentum")
max_rsi = input.int(50, "Max RSI", group = "Dynamic RSI Momentum")

upLvl = input.float(70, "OverBought", 0, 100, group = "Dynamic RSI Momentum")
dnLvl = input.float(30, "OverSold", 0, 100, group = "Dynamic RSI Momentum")

// +++++++++++++++++++++
// ++ CALCULATION ++
// +++++++++++++++++++++

// RMA Function
rmaFun(src, len) =>
sma = ta.sma(src, len)
alpha = 1/len
sum = 0.0
sum := na(sum[1]) ? sma : alpha * src + (1 - alpha) * nz(sum[1])

// RSI Function
rsiFun(src, len) =>
100 - 100 / (1 + rmaFun(src - src[1] > 0 ? src - src[1] : 0, len) /
rmaFun(src[1] - src > 0 ? src[1] - src : 0, len))

// Momentum
momVal = src - src[len]

// Calculation Price vs Momentum
corr = ta.correlation(src, momVal, len)
corr := corr > 1 or corr < -1 ? float(na) : corr

rsiLen = 0
rsiLen := int(min_rsi + nz(math.round((1 - corr) * (max_rsi-min_rsi) / 2, 0), 0))

rsiMom = rsiFun(src, rsiLen)


// +++++++++++++++++++++
// ++ STRATEGY ++
// +++++++++++++++++++++

long = ta.crossover(rsiMom, dnLvl)
short = ta.crossunder(rsiMom, upLvl)


// +++> Long <+++++
if long and not na(rsiMom)
strategy.entry("Long", strategy.long)

// +++> Short <+++++
if short and not na(rsiMom)
strategy.entry("Short", strategy.short)

// +++++++++++++++++++++
// ++ PLOT ++
// +++++++++++++++++++++

plot(rsiMom, "Dynamic RSI Momentum", rsiMom < dnLvl ? color.green : rsiMom > upLvl ? color.red : color.yellow)

hline(50, "Mid Line", color.gray)

upperLine = hline(upLvl, "Upper Line", color.gray)
lowerLine = hline(dnLvl, "Lower Line", color.gray)
fill(upperLine, lowerLine, color.new(color.purple, 90), "Background Fill")

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Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in publication is governed by House rules. You can favorite it to use it on a chart.

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