Strategy Code Example - Risk Management
*** THIS IS JUST AN EXAMPLE OF STRATEGY RISK MANAGEMENT CODE IMPLEMENTATION ***
For my own future reference, and for anyone else who needs it.
Pine script strategy code can be confusing and awkward, so I finally sat down and had a little think about it and put something together that actually works (i think...)
Code is commented where I felt might be necessary (pretty much everything..) and covers:
Also shows how to use functions (or variables/series) to execute trade entries and exits.
Cheers!
For my own future reference, and for anyone else who needs it.
Pine script strategy code can be confusing and awkward, so I finally sat down and had a little think about it and put something together that actually works (i think...)
Code is commented where I felt might be necessary (pretty much everything..) and covers:
- Take Profit
- Stop Loss
- Trailing Stop
- Trailing Stop Offset
Also shows how to use functions (or variables/series) to execute trade entries and exits.
Cheers!
//@version=2
strategy(title = "Strategy Code Example", shorttitle = "Strategy Code Example", overlay = true, pyramiding = 0, default_qty_type = strategy.percent_of_equity, default_qty_value = 10, currency = currency.GBP)
// Revision: 1
// Author: @JayRogers
//
// *** THIS IS JUST AN EXAMPLE OF STRATEGY RISK MANAGEMENT CODE IMPLEMENTATION ***
// === GENERAL INPUTS ===
// short ma
maFastSource = input(defval = open, title = "Fast MA Source")
maFastLength = input(defval = 14, title = "Fast MA Period", minval = 1)
// long ma
maSlowSource = input(defval = open, title = "Slow MA Source")
maSlowLength = input(defval = 21, title = "Slow MA Period", minval = 1)
// === STRATEGY RELATED INPUTS ===
tradeInvert = input(defval = false, title = "Invert Trade Direction?")
// the risk management inputs
inpTakeProfit = input(defval = 1000, title = "Take Profit", minval = 0)
inpStopLoss = input(defval = 200, title = "Stop Loss", minval = 0)
inpTrailStop = input(defval = 200, title = "Trailing Stop Loss", minval = 0)
inpTrailOffset = input(defval = 0, title = "Trailing Stop Loss Offset", minval = 0)
// === RISK MANAGEMENT VALUE PREP ===
// if an input is less than 1, assuming not wanted so we assign 'na' value to disable it.
useTakeProfit = inpTakeProfit >= 1 ? inpTakeProfit : na
useStopLoss = inpStopLoss >= 1 ? inpStopLoss : na
useTrailStop = inpTrailStop >= 1 ? inpTrailStop : na
useTrailOffset = inpTrailOffset >= 1 ? inpTrailOffset : na
// === SERIES SETUP ===
/// a couple of ma's..
maFast = ema(maFastSource, maFastLength)
maSlow = ema(maSlowSource, maSlowLength)
// === PLOTTING ===
fast = plot(maFast, title = "Fast MA", color = green, linewidth = 2, style = line, transp = 50)
slow = plot(maSlow, title = "Slow MA", color = red, linewidth = 2, style = line, transp = 50)
// === LOGIC ===
// is fast ma above slow ma?
aboveBelow = maFast >= maSlow ? true : false
// are we inverting our trade direction?
tradeDirection = tradeInvert ? aboveBelow ? false : true : aboveBelow ? true : false
// === STRATEGY - LONG POSITION EXECUTION ===
enterLong() => not tradeDirection[1] and tradeDirection // functions can be used to wrap up and work out complex conditions
exitLong() => tradeDirection[1] and not tradeDirection
strategy.entry(id = "Long", long = true, when = enterLong()) // use function or simple condition to decide when to get in
strategy.close(id = "Long", when = exitLong()) // ...and when to get out
// === STRATEGY - SHORT POSITION EXECUTION ===
enterShort() => tradeDirection[1] and not tradeDirection
exitShort() => not tradeDirection[1] and tradeDirection
strategy.entry(id = "Short", long = false, when = enterShort())
strategy.close(id = "Short", when = exitShort())
// === STRATEGY RISK MANAGEMENT EXECUTION ===
// finally, make use of all the earlier values we got prepped
strategy.exit("Exit Long", from_entry = "Long", profit = useTakeProfit, loss = useStopLoss, trail_points = useTrailStop, trail_offset = useTrailOffset)
strategy.exit("Exit Short", from_entry = "Short", profit = useTakeProfit, loss = useStopLoss, trail_points = useTrailStop, trail_offset = useTrailOffset)
