200DMA Entry

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © jfgrissom

//@version=5
strategy("200DMA Entry", overlay=true, initial_capital=10000)

// Define the 200-day moving average
ma200 = ta.sma(close, 200)

// Enter a trade when the previous bar closes above the 200 MA
longCondition = ta.crossover(close[1], ma200)

// Set the take profit level at 150% ROI
takeProfitLevel = strategy.position_avg_price * 2.5

// Variables to store the bar index and price of entry and exit
var float entryPrice = na
var int entryBarIndex = na
var float orderSize = na

// Enter long position using 1% of the total account equity
if (longCondition)
    orderSize := 0.01 * strategy.equity / close
    strategy.entry("Long", strategy.long, qty=orderSize)
    entryPrice := close
    entryBarIndex := bar_index

// Exit position when price reaches the take profit level
if (strategy.position_size > 0 and close >= takeProfitLevel)
    strategy.close("Long")
    line.new(x1=entryBarIndex, y1=entryPrice, x2=bar_index, y2=close, color=color.red)

// Plot the 200 MA on the chart
plot(ma200, title="200-day MA", color=color.blue)

// Function to format numbers to two decimal places
formatNumber(value) =>
    str.tostring(value, "#.00")

// Calculate total holdings value
totalHoldings = strategy.position_size != 0 ? (strategy.position_avg_price * strategy.position_size) + strategy.equity : strategy.equity

// Create a single label to display equity, total holdings, and order size in the top right corner
var label infoLabelTopRight = na
if (na(infoLabelTopRight))
    infoLabelTopRight := label.new(x=na, y=na, text="", xloc=xloc.bar_time, yloc=yloc.price, color=color.new(color.black, 0), textcolor=color.green, style=label.style_label_down)

// Update the label position and text to keep it in the top right corner
label.set_xy(infoLabelTopRight, time + 1, high * 1.05)
label.set_text(infoLabelTopRight, "Equity: $" + formatNumber(strategy.equity) + "\nTotal Holdings: $" + formatNumber(totalHoldings) + "\nOrder Size: " + (not na(orderSize) ? str.tostring(orderSize, "#.000") : "N/A"))