5 Python Scripts Every Crypto Investor Should Have in 2026

5 Python Scripts Every Crypto Investor Should Have in 2026 I've been coding for investors for a while now, and one thing is clear: most retail crypto investors are flying blind. They check prices manually. They have no idea what their actual ROI is. They panic-sell at the worst moments. Here are 5 Python scripts that genuinely changed how I (and dozens of others) approach crypto investing. All under 50 lines each. Zero paid libraries required. 1. Portfolio P&L Tracker Stop using exchange apps that obscure your real gains. Build your own. import json from datetime import datetime def calculate_pnl ( holdings : list ) -> None : """ holdings = [{ " symbol " : " BTC " , " bought_at " : 30000, " quantity " : 0.1, " current_price " : 65000}] """ total_invested = 0 total_current = 0 print ( f " \n { ' Symbol ' : < 8 } { ' Qty ' : < 10 } { ' Buy € ' : < 10 } { ' Now € ' : < 10 } { ' P&L € ' : < 12 } { ' % ' : < 8 } " ) print ( " - " * 60 ) for h in holdings : invested = h [ " bought_at " ] * h