Bobby/stock_system
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

refactor: Simplify 3ATR EMA strategy by removing stop loss and adding exit signals

Browse Source
This commit is contained in:
Bobby (aider) 2025-02-08 09:20:20 -08:00
parent eea3013e0d
commit e54a30c402
1 changed files with 15 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
pinescripts/Three_ATR_EMA.pine
View File

@ -1,11 +1,9 @@
//@version=5 //@version=5
strategy(title="3ATR EMA + Risk Mgmt", shorttitle="3ATR-RM", overlay=true, currency=currency.USD, initial_capital=10000, commission_type=strategy.commission.percent, commission_value=0.1) strategy(title="3ATR EMA Basic", shorttitle="3ATR-Basic", overlay=true, currency=currency.USD, initial_capital=10000, commission_type=strategy.commission.percent, commission_value=0.1)
// Inputs // Inputs
ema_length = input.int(21, "EMA Length") ema_length = input.int(21, "EMA Length")
atr_multiplier = input.float(3.0, "ATR Multiplier") atr_multiplier = input.float(3.0, "ATR Multiplier")
risk_percent = input.float(1.0, "Risk %", step=0.1) // 1% risk per trade
max_stop_pct = input.float(7.0, "Max Stop %", step=0.1) // 7% max price stop
// Calculations // Calculations
ema = ta.ema(close, ema_length) ema = ta.ema(close, ema_length)
@ -13,49 +11,20 @@ atr = ta.atr(ema_length)
upper_band = ema + (atr * atr_multiplier) upper_band = ema + (atr * atr_multiplier)
lower_band = ema - (atr * atr_multiplier) lower_band = ema - (atr * atr_multiplier)
// Entry Conditions // Entry Condition
bullish_entry = (close < ema) and bullish_entry = (close < ema) and
(close[1] <= lower_band[1]) and (close[1] <= lower_band[1]) and
(close > close[1]) (close > close[1])
// Risk Management Variables // Exit Condition (when price crosses upper band)
var float entry_price = na bullish_exit = close > upper_band
var float initial_stop = na
var float max_stop_price = na
var float trail_price = na
var bool trail_active = false
// Risk-based Position Sizing
position_size() =>
equity = strategy.equity // Use direct equity value
risk_amount = equity * (risk_percent / 100)
price_risk = entry_price * (max_stop_pct / 100)
(risk_amount / price_risk) // Final position size calculation
// Trade Execution // Trade Execution
if bullish_entry if bullish_entry
entry_price := close strategy.entry("Long", strategy.long)
initial_stop := close * (1 - max_stop_pct/100)
max_stop_price := initial_stop
trail_price := na
trail_active := false
strategy.entry("Long", strategy.long, qty=position_size())
// Stop Management if bullish_exit
var float current_stop = na strategy.close("Long")
var float display_max_stop = na
if strategy.position_size > 0
trail_price := math.max(high, nz(trail_price, high))
trail_stop = trail_price * 0.98
current_stop := math.max(max_stop_price, trail_stop)
display_max_stop := max_stop_price
strategy.exit("Stop Exit", "Long", stop=current_stop)
// Move plots to global scope with conditional visibility
plot(strategy.position_size > 0 ? current_stop : na, "Active Stop", color=color.red, style=plot.style_linebr)
plot(strategy.position_size > 0 ? display_max_stop : na, "Max Stop", color=color.gray, style=plot.style_circles)
// Visualization // Visualization
plot(ema, "EMA", color=color.new(#4A90E2, 0)) plot(ema, "EMA", color=color.new(#4A90E2, 0))
@ -67,4 +36,11 @@ plotshape(bullish_entry ? low : na,
location=location.belowbar, location=location.belowbar,
color=color.new(#00FF00, 0), color=color.new(#00FF00, 0),
size=size.small, size=size.small,
title="Bull Signal") title="Bull Entry")
plotshape(bullish_exit ? high : na,
style=shape.triangledown,
location=location.abovebar,
color=color.new(#FF0000, 0),
size=size.small,
title="Bull Exit")