Indian Market Indices — Nifty 50 & Sensex Live
Track Nifty 50, BSE Sensex, Nifty Bank, and Nifty IT index values. Click any index card to see its price chart up to 5 years.
Data via Yahoo Finance · ~15 min delay · Not investment advice · TopOpenTools is not a SEBI-registered investment adviser.
Understanding the Market Indices – Nifty & Sensex
This tool tracks the current values of India's headline stock-market indices — the Nifty 50, BSE Sensex, Nifty Bank, and Nifty IT — alongside a chart of each index over periods up to five years. A stock index is a single number that summarizes the combined price movement of a defined basket of shares, letting you gauge how a whole market or sector is doing at a glance rather than watching individual stocks. It is for investors, students, and anyone following Indian equities who wants context on trend and level. Values shown are indicative and delayed by roughly 15 minutes, so they are for general information only and are not suitable for trading execution or as investment advice.
How it works
An index is a weighted basket of stocks. Each index defines which companies are members and how much each one counts. The Nifty 50 is the National Stock Exchange (NSE) benchmark of 50 large-cap companies; the S&P BSE Sensex is the Bombay Stock Exchange (BSE) benchmark of 30 large, established firms. Both are free-float market-capitalization weighted, meaning a company's weight reflects the market value of only its freely tradable shares, so larger, more widely held companies move the index more than smaller ones. Sector indices such as Nifty Bank and Nifty IT apply the same idea to a single industry. The index level is the weighted basket value scaled to a base period, and the percentage change tells you how the basket moved versus the previous close. This tool reads those published values and plots them; it does not recalculate the index itself.
Worked Example
Suppose an index has just two members. Company A trades at ₹500 with 80 crore free-float shares, giving a free-float market cap of ₹40,000 crore. Company B trades at ₹200 with 60 crore free-float shares, giving ₹12,000 crore. The combined free-float market cap is ₹52,000 crore. If the base-period market cap was ₹40,000 crore mapped to a base value of 1,000, the index level is (52,000 ÷ 40,000) × 1,000 = 1,300. If Company A, the larger weight, rises 2% while Company B is flat, the basket value rises more than if the smaller Company B had moved — that is why heavyweight constituents drive the index most.
Tips & Common Mistakes
- Index values here are indicative and delayed by about 15 minutes; use your broker's live feed for actual trading.
- A rising index reflects its largest constituents most, so a few heavyweight stocks can mask weakness in smaller members.
- Nifty 50 (50 NSE stocks) and Sensex (30 BSE stocks) cover different baskets, so their percentage moves rarely match exactly.
- Sector indices like Nifty Bank and Nifty IT show how one industry is doing, which can diverge sharply from the broad market.
- Index membership and weights are reviewed periodically by NSE and BSE, so the basket you are tracking changes over time.
- This is general information, not investment advice; consult a SEBI-registered adviser before making decisions.
Sources & Methodology
- →National Stock Exchange of India (NSE) — Indices and methodology (https://www.nseindia.com)
- →BSE Ltd — S&P BSE indices (https://www.bseindia.com)
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Built and maintained by TopOpenTools · Last updated June 2026. These tools provide general estimates for educational purposes only and are not financial, tax, insurance, investment, or medical advice. Verify important decisions with a qualified professional.
Frequently Asked Questions
What is the Nifty 50?
The Nifty 50 (also called NIFTY or CNX Nifty) is the flagship index of the National Stock Exchange (NSE) of India. It represents the weighted average of 50 of the largest and most liquid Indian stocks listed on NSE across 13 sectors.
What is the BSE Sensex?
The S&P BSE Sensex (Sensitive Index) is the benchmark equity index of the Bombay Stock Exchange (BSE). It tracks 30 financially sound and well-established companies across major sectors of the Indian economy.
Is the data real-time?
No. Index values are sourced via Yahoo Finance and are typically delayed by approximately 15 minutes. This tool is for informational purposes only and should not be used for live trading decisions.
What is Nifty Bank?
The Nifty Bank index tracks the performance of the most liquid and large banking stocks listed on the NSE. It includes major banks like HDFC Bank, ICICI Bank, Kotak Mahindra Bank, and Axis Bank.
How do I embed the market indices widget on my website?
Visit the Widgets page (/widgets) and look for the Market Indices widget section. Copy the one-line embed code and paste it anywhere in your HTML. The widget auto-resizes and updates every minute. No signup required.
Is this investment advice?
No. TopOpenTools is not a SEBI-registered investment adviser. All index data is for general information only. Always consult a qualified financial professional before making investment decisions.