What is P&L (Profit and Loss)?

Indian market context (NSE)

Reference levels: Nifty 50 at 24,300, Reliance Industries at ₹1,300, Bank Nifty futures at 55,000 (lot size 30). Examples below show how P&L (Profit and Loss) shows up on Indian index, equity, and futures books — update to live quotes in your journal.

Nifty 50 perspective

Nifty futures day: +₹4,200 net after ₹800 brokerage and charges — gross P&L overstated by ~16% if costs omitted.

Reliance Industries perspective

Reliance delivery swing: +₹12,000 gross, STT on sell ₹130, net ₹11,870 — reconcile with contract note monthly.

Bank Nifty futures perspective

Bank Nifty scalping session: 6 round trips, gross +₹9k, charges ₹2.1k — net +₹6.9k; tag “BNF scalp” for review.

Realised vs unrealised

How to validate

• Minimum sample: 30 closed trades on one strategy tag before trusting P&L (Profit and Loss).
• Check for one outlier week inflating P&L (Profit and Loss) — export largest winners and losers.
• Recompute P&L (Profit and Loss) after including brokerage, STT, and slippage on F&O tags.
• Compare P&L (Profit and Loss) on the same date range as profit factor and max drawdown.

How to track in TradeLyser

• Open Strategy Board or analytics → filter by strategy tag and review period.
• Locate the widget or column reporting P&L (Profit and Loss) (or export trades to compute manually).
• Store snapshot values in weekly review: P&L (Profit and Loss), profit factor, drawdown, trade count.
• If P&L (Profit and Loss) is custom, add a spreadsheet column fed from TradeLyser CSV export.

Best practices

• Publish P&L (Profit and Loss) per strategy, not only at account level.
• Use the same calculation window (weekly vs monthly) year-round.
• Pair P&L (Profit and Loss) with sample size in every review slide or note.
• Reconcile P&L (Profit and Loss) with broker statements before tax filing.

Common pitfalls

• Changing rules after fewer than 20 trades because P&L (Profit and Loss) moved slightly.
• Mixing intraday and positional tags when computing P&L (Profit and Loss).
• Ignoring costs so P&L (Profit and Loss) looks better than banked P&L.
• Letting one outlier trade dominate the P&L (Profit and Loss) reading.

How to use this in TradeLyser

Reconcile weekly P&L with broker contract notes. Tag trades with strategy and setup so P&L widgets explain why the curve moved — not just by how much.