ZenTraderFree tools
Tools for traders who trade by rules
Work out what a trade costs, how big it should be and whether your record has an edge. Free, no sign-up, and nothing you enter leaves your browser.
- Trade journal analyserUpload your Zerodha tradebook and see your win rate, payoff, streaks and what charges cost you. Your file never leaves your browser.
- Capital gains tax calculatorShort-term, long-term and intraday tax on your trading, by financial year, straight from your Zerodha tradebook.
- Charges and margin interest calculatorEvery rupee a delivery, intraday or margin trade costs, and the move it needs to break even.
- Position size calculatorHow many shares to buy so a stopped-out trade costs exactly what you planned to lose.
- Risk of ruin calculatorThe chance a run of losses takes your account down 30% or 50%, and the largest risk per trade that keeps it rare.
- Trading plan builderAnswer the questions a plan has to settle and get a one-page trading plan to print or save as a PDF.
- Strategy odds simulatorPlay your win rate and payoff out a thousand times and see the drawdowns and losing streaks luck alone can bring.
- Drawdown and losing streak tablesThe gain it takes to recover a loss, and how often a long losing run turns up.
- Is your backtest lying?Fifteen questions that catch the mistakes that make a strategy look better on paper than it trades.
Learn
- Supertrend on Nifty 50: 20 years tested, after charges and tax 8 min read
- Intraday leverage (MIS): margin, square-off times and charges 4 min read
- Zerodha vs Groww vs Dhan: brokerage and charges compared 4 min read
- DP charges and BSDA: what your demat account costs each year 4 min read
- Intraday trading charges in India: what one trade costs at each broker 4 min read
- STT in the share market: meaning, rates and what you pay 3 min read