NIFTY 50 and BANK NIFTYNIFTY 50 aur BANK NIFTY
Understand what NIFTY 50 and Nifty Bank measure, and the key differences for options learners.Samjho NIFTY 50 aur Nifty Bank kya naapte hain, aur options learners ke liye main farq.
๐ LessonLesson
NIFTY 50 tracks 50 large, liquid companies across many sectors of the Indian economy. It is calculated by NSE Indices using free-float market capitalisation โ bigger companies (by shares available to the public) have a bigger weight.
Nifty Bank (traded as BANKNIFTY) tracks 14 large banking stocks. Because it contains one sector only, it usually moves more sharply than NIFTY 50.
| NIFTY 50 | Nifty Bank | |
|---|---|---|
| Constituents | 50, many sectors | 14 banks |
| Options lot size | 65 units | 30 units |
| Option expiries | Weekly and monthly โ Tuesday | Monthly only โ last Tuesday of the month (monthly contracts only) |
This Academy focuses on NIFTY options, with Bank Nifty as a secondary example.
NIFTY 50 Indian economy ke kai sectors ki 50 badi, liquid companies ko track karta hai. NSE Indices ise free-float market capitalisation se calculate karta hai โ jin companies ke public ke paas zyada shares hain, unka weight zyada.
Nifty Bank (BANKNIFTY naam se trade hota hai) 14 bade bank stocks ko track karta hai. Isme ek hi sector hai, isliye ye aam taur par NIFTY 50 se zyada tez move karta hai.
| NIFTY 50 | Nifty Bank | |
|---|---|---|
| Constituents | 50, kai sectors | 14 banks |
| Options lot size | 65 units | 30 units |
| Option expiries | Weekly aur monthly โ Tuesday | Sirf monthly โ last Tuesday of the month (monthly contracts only) |
Ye Academy NIFTY options par focus karti hai, Bank Nifty secondary example hai.
โ ๏ธ Common mistakesCommon galtiyan
- Assuming lot sizes and expiry days never change โ they are revised by the exchange.Ye maan lena ki lot size aur expiry day kabhi nahi badalte โ exchange inhe revise karta hai.
- Comparing NIFTY and Bank Nifty points directly without considering their different levels and volatility.NIFTY aur Bank Nifty ke points seedha compare karna, unke alag level aur volatility ko dekhe bina.
- Ignoring that a few heavyweight stocks can move an index.Ye bhool jaana ki kuch heavyweight stocks poore index ko hila sakte hain.
โ Quick quizQuick quiz
Score 2 out of 3 or more and the lesson is marked complete automatically.3 me se 2 ya zyada score karo, lesson apne aap complete mark ho jayega.
๐ SummarySummary
- NIFTY 50 = 50 companies, many sectors; Nifty Bank = 14 banks.NIFTY 50 = 50 companies, kai sectors; Nifty Bank = 14 banks.
- Lot sizes: NIFTY 65, BANKNIFTY 30 (check the latest exchange circulars).Lot size: NIFTY 65, BANKNIFTY 30 (latest exchange circular check karo).
- Bank Nifty is usually more volatile.Bank Nifty aam taur par zyada volatile hai.
๐ Sources & market rules usedSources aur market rules
- BANKNIFTY expiry: last Tuesday of the month (monthly contracts only) โ since September 2025. NSE circulars (expiry day revised from 1 September 2025)
- BANKNIFTY lot size: 30 โ from the January 2026 contract series. NSE circular FAOP70616 (3 Oct 2025)
- Nifty Bank constituents: 14 โ after SEBI's norms for non-benchmark indices (phased to March 2026). NSE Indices โ Nifty Bank factsheet
- NIFTY expiry day: Tuesday โ weekly and monthly NIFTY expiries (monthly = last Tuesday of the month) since September 2025. NSE circulars (expiry day revised from 1 September 2025)
- NIFTY lot size: 65 โ from the January 2026 contract series. NSE circular FAOP70616 (3 Oct 2025)
- NSE Indices โ Nifty Bank
- NSE โ lot size circular FAOP70616
Last reviewed: 2 November 2026 ยท Version 1.0 ยท Prepared by the SmaartAlgos Academy team.Last reviewed: 2 November 2026 ยท Version 1.0 ยท SmaartAlgos Academy team dwara taiyaar.
Education only. SmaartAlgos is not a SEBI-registered investment adviser or research analyst. Nothing in this lesson is a recommendation to buy or sell any security. Options trading involves substantial risk of loss. Examples are hypothetical or simulated; market rules are shown with their effective dates โ always confirm the latest official circulars.
Sirf education. SmaartAlgos SEBI-registered investment adviser ya research analyst nahi hai. Is lesson me kuch bhi kisi security ko buy ya sell karne ki salah nahi hai. Options trading me bada loss ho sakta hai. Examples hypothetical ya simulated hain; market rules effective date ke saath diye gaye hain โ hamesha latest official circular confirm karo.