Is there a free options backtesting tool for Indian markets?

Yes. Algo Trading India backtests multi-leg Nifty and BankNifty options strategies against real expired NSE contracts from 2021 onward, free and without an account. The engine runs inside your browser, so no strategy is uploaded.

Do I need an account or a broker connection to backtest options?

No. There is no sign-up, no broker link and no server. Market data is downloaded as static files and every calculation happens on your own device, which is why nothing you build is ever transmitted.

What data do the backtests run on?

Real historical Indian index options data covering every contract that traded, going back to 2021, sourced from the exchange. Results are evaluated on daily closing prices, which the site states on every tool that uses them.

Can I pick option strikes by delta or premium rather than a fixed offset?

Yes. Strikes can be selected by moneyness, an exact strike price, a distance from spot, a target premium, or a target delta. Delta is solved from the implied volatility of that day’s close, and a strike whose IV cannot be solved is excluded rather than given an approximate value.

Is algo trading legal for retail traders in India?

Yes, within SEBI’s framework. Retail algo orders route through a broker’s API, must carry an exchange-issued algo ID, and a provider offering algos to others must be empanelled with each exchange. A trader running their own algo on their own machine is treated differently from a provider routing orders for others.

Why does this site not publish strategy returns?

SEBI’s September 2022 circular bars algo platforms from advertising performance, and separately a figure a reader cannot reproduce is not evidence of anything. Results appear only when you run a backtest yourself, on real expired contracts, with cost assumptions you can edit.

No account · Nothing uploaded

Algo trading in India, backtested on real data

Build a Nifty or BankNifty options strategy, test it against real historical market data, and see whether the edge survives brokerage, STT and slippage — with no account, no broker link, and your strategy kept private.

See what’s built New to backtesting? Start here

26 live · 2 in build · 0 planned — the real roadmap, below

Short straddle

Sell the at-the-money call
Sell the at-the-money put

Every strategy has a shape. Pick one, test it against years of real data, and see what it would have done — before you risk anything.

The product

Four steps, and exactly where each one stands

This is the real build state, not a wish list. Nothing is marked live until you can actually use it.

Live26Building2Planned0

Analyse

Understand the chain before you build anything on top of it.

Option chainFull Nifty and BankNifty chains with open interest, volume and change.Live
GreeksDelta, gamma, theta, vega and rho for the whole position, from real prices.Live
Implied volatilityIV solved per contract from its close, or withheld where it cannot be solved.Live
Payoff diagramMulti-leg payoff at expiry and today, with breakevens and max profit or loss.Live

Build

Describe a strategy in plain terms. No Python, no formulas.

No-code strategy builderAny combination of legs, strikes and ratios, with stop-loss and target rules.Live
Strategy templatesStraddles, strangles, iron condors and ratio spreads, ready to edit.Live
Strike selection rulesPick strikes by moneyness, exact price, premium or delta — not just a fixed offset.Live
Saved strategiesName and file your setups, reload them later, or export one as a portable file.Live
Entry and exit rulesOpen on a signal, not a schedule — "enter when the index crosses its 20-day average".Live
Daily indicatorsRSI, moving averages, Bollinger bands and rate of change, on the index itself.Live
Shareable strategiesA link carries the whole strategy. No account, no database, nothing uploaded.Live
ScannerFilter a chain by liquidity, distance from spot, price and implied volatility.Live

Backtest

The part that decides whether a strategy is worth anything.

Historical options backtestExpiry-cycle strategies against real expired contracts, 2021 onward.Live
Runs in your browserThe engine executes on your own device. Your strategy is never uploaded.Live
Stops, trails and re-entryPosition and per-leg stops in five units, trailing stops, move-to-cost, daily limits.Live
Parallel casesTest several strategies side by side in one run, scored separately and together.Live
Index positionsHold the index through futures — covered calls, collars and protective puts.Live
Cost modellingBrokerage, STT, exchange charges and GST, all editable — rates change.Live
Robustness checksRun every entry timing across every year at once, to see if an edge survives nudging.Live
Stock basketsWeight a set of stocks, rebalance monthly or quarterly, and test it on real NSE prices.Live

Decide

Everything you need before committing capital — and the limits.

Broker API comparisonWhich broker actually serves the data your strategy needs, checked and dated.Live
Platform comparisonIndependent, feature-by-feature. No affiliate links and no paid placement.Live
Compliance checkerAnswer four questions and see which rules apply to your specific setup.Live
Paper tradingFollow a position forward on end-of-day marks, stored only in your browser.Live

Deploy

Run a tested strategy against the live market, through your own broker.

There are two ways to do this and they are not the same. For us to route your orders, we would need exchange empanelment as an algo provider — a regulatory process, not a coding one, and we do not have it. For YOU to run a strategy on your own machine with your own broker key, no empanelment is needed, because you are the operator. Everything below is the second path: an open-source runner you download. Nothing is routed through us and there is no server in the path.

Order taggingLive orders carry your exchange-issued algo ID. Without one the runner refuses to trade.Live
Automatic stopA kill-switch file, per-order and per-day caps, an open-position cap, and a runaway halt.Live
Broker connectionAngel One over its official API, from your machine with your key. Nothing reaches us.Building
Live deploymentThe runner places and manages a tested strategy. Entry timing is not wired yet.Building

Why this exists

Every platform in India runs your backtest on their server

Which means an account, a login, and your strategy sitting in someone else’s database. That is the one thing we do differently.

Private

Your strategy never leaves the device

Every other platform runs your backtest on their servers, behind a login. Ours runs in your browser. There is no account to create and nothing to upload.

Independent

Nothing is for sale

No affiliate revenue, no sponsored placement, no strategy marketplace taking a cut. Comparisons cannot be bought because there is nothing to buy.

Honest

We show you what is not built

The roadmap below is the real one. Features say Live, Building or Planned — and nothing is marked Live until you can actually use it.

What you can do here

Backtest an options strategy

Test a short straddle, short strangle,iron condor, iron fly, credit spread, debit spread or ratio spread against real historical Nifty and BankNifty data from 2021 onward. Pick strikes by moneyness, strike price, premium ordelta. Add a stop-loss, target, trailing stop-loss or re-entry, and see what the rule would have done — after brokerage, STT, exchange charges and GST.

Open the backtesting tool →

Read the option chain

A full Nifty option chain and BankNifty option chainwith open interest, change in OI, volume and the underlying level for any expiry. Use the option scanner to filter a chain by liquidity, distance from spot, premium or implied volatility.

Open the option chain →

Check Greeks and payoff

An option Greeks calculator giving delta, gamma, theta, vega and rho for a whole multi-leg position, implied volatility solved from real traded prices, and an options payoff diagram showing breakevens, maximum profit and maximum loss both at expiry and today.

Open the calculator →

Paper trade before risking money

Track an options position forward without real money, and run arobustness check that repeats one strategy across every entry timing and every year at once — the quickest way to tell an edge apart from a single lucky setting.

Open paper trading →

Understand the SEBI algo rules

Algo trading is legal in India within SEBI’s framework, and the rules changed in 2025. Answer four questions and see exactly which parts apply to your setup — static IP, algo ID tagging, exchange registration and broker approval — with every claim linked to the original SEBI or NSE circular.

Read the rules →

Compare platforms and broker APIs

An independent comparison of Indian algo trading platforms andalgo trading software on capability and price, plus whichbroker API — Zerodha, Angel One, Dhan, Upstox, Fyers and others — actually serves the data a given strategy needs. No affiliate links, no paid placement.

Compare platforms →

Built in the open, one feature at a time

The roadmap above updates as things ship. If there is something you need first, say so — it genuinely affects the order.

Compare platforms Tell us what to build