Glossary · Backtesting & Analytics
Paper Trading
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Paper trading is trading a strategy on live market data with virtual money, so every signal, order and profit-or-loss is recorded exactly as it would be in a real account — but no actual capital is at risk. The name comes from the pre-software era, when traders tracked pretend positions on paper. Today a paper-trading engine takes live NSE prices, simulates fills, and maintains a virtual account balance.
Paper trading is the live rehearsal that follows a backtest. The backtest says the edge existed historically; paper trading checks that the system actually works in today’s market — signals fire on time, orders route correctly, and results roughly track what the backtest predicted.
Example
You paper trade an intraday BANKNIFTY options strategy for a month with a virtual ₹2,00,000 account. It takes 22 trades, wins 12, and finishes up ₹9,800 before you notice something the backtest never showed: two entries were signalled at 9:15 am, when spreads were widest, and the simulated fills looked better than any real fill would have been. That operational insight — not the hypothetical ₹9,800 — is the real output.
Why it matters
For systematic traders, paper trading validates operations, not statistics. A month of paper trades is far too small a sample to prove an edge, but it is exactly the right way to catch broken order logic, bad fill assumptions and timing bugs before they cost real money. Skipping it means debugging with your capital.
In INDfolio AI, any strategy can run in paper mode on live NSE data before you connect a broker — see Paper trading.