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RaSa Tools

Ten free tools for investors and families: live market data, a time machine, a screener, a portfolio tracker, simple planners, a glossary and a free course. No sign-up, nothing to buy.

Tool 01 · Live data

Stock Lookup

Price, chart, 52-week range, P/E and market cap for any NSE-listed company.

Tool 02 · Live data

Compare Stocks

Two companies, side by side: size, valuation, and where each price sits in its own year.

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Tool 03 · Planner

Goal Planner

Pick a goal. See what it will cost after inflation, and how much to invest every month to get there.

Goal will cost—
Invest every month—
Or one time, today—
Money you put inGrowth from returns

Assumes a constant return and inflation every year. Real returns go up and down. An illustration, not advice or a promise of returns.

Tool 04 · Calculator

Savings Compare

The same money, in six places. See what each one becomes, and whether it beats inflation.

You put in—
Needed to match inflation—
Assumed inflation5% a year

    Simplified: every option is compounded yearly at the rate shown. Post Office rates are the government rates for October to December 2026 and change every quarter. PPF has a 15-year lock-in and a yearly limit; NSC locks in for 5 years. Bank FD and equity rates are only examples, and equity can fall. Tax is not included.

    Tool 05 · Calculator

    SIP & Compounding

    Move the sliders. The money you put in grows in a straight line. What it becomes curves upward, and the curve gets steep only in the later years.

    You invest—
    It becomes—
    Growth—
    ValueAmount invested

    Illustration of compounding at a constant rate. Real returns vary year to year. Not a projection or promise of returns.

    Tool 06 · Live data

    Time Machine

    What if you had invested on a past date? Pick a company or the NIFTY 50, a date and an amount, and see what it is worth today.

    Closing prices from Google Finance. Dividends are not included, and very old prices may not show every split or bonus. A record of the past, not a prediction or advice.

    Tool 07 · Live data

    NIFTY 50 Screener

    All 50 of India's biggest listed companies. Sort by today's move or by size, filter by sector, tap a name for its full page.

    Loading the NIFTY 50…

    Tool 06 · Reference

    Finance Glossary

    22 market terms explained in plain language: P/E, EPS, market cap, SIP, NAV, F&O and more. Every stock page links straight to it.

    Open the glossary →
    The Weekly Letter

    One company. One lesson. Every week.

    The company I studied, what surprised me, and one idea you can use with your own money. Free.