Imagine your school has two canteens. The old canteen (BSE) has been there forever—everyone knows it, it's trusted, and it has a reputation. But it's slow, and you have to stand in line.
Then the school builds a new canteen (NSE) with tablets for ordering, faster service, and more space. Kids flock to it because it's easier.
BUT—the old canteen doesn't disappear! Some kids still go there for nostalgia, some special items (like BSE's SME platform), and the trust factor. Both canteens buy from the same suppliers (companies), serve the same students (investors), and follow the same health rules (SEBI regulations).
The new canteen handles more daily orders (NSE's 90% volume), but the old one still matters for its specialty items and history. India's stock market, we're lucky to have both, because competition keeps them improving and specialization means better service overall.
1.2.01-Understanding-SENSEX-and-NIFTY – Deep dive into index construction
2.1.04-How-market-orders-work – The matching engine behind exchanges
3.3.02-Index-funds-and-passive-investing – Why NIFTY/SENSEX matter for investors
4.1.01-Role-of-SEBI – The regulator overseeing NSE/BSE
#flashcards/stock-market
What are the two main functions of a stock exchange? :: Liquidity (easy buying/selling) and price discovery (fair market prices through competition). Secondary functions: regulation and capital formation.
Why does SENSEX have only 30 stocks while NIFTY has 50?
SENSEX was created in 1986 when computing was limited—30 was manageable. NIFTY (1995) could handle 50 with better tech, providing broader sector representation.
What is free-float market capitalization?
The value of shares available for public trading, excluding promoter holdings and locked-in shares. Only these shares affect supply-demand, so indices weight by free-float.
What is the Investible Weight Factor (IWF) in NIFTY 50?
The free-float proportion of a stock—the fraction of shares available for public trading. It converts total outstanding shares into free-float shares. It is NOT a 5% cap on index weight.
Why did NSE overtake BSE in trading volume?
NSE introduced fully electronic trading (1994) vs BSE's floor trading. Electronic meant faster execution, wider access (anyone anywhere), full audit trails, and better transparency.
What is the settlement period in Indian stock markets (2026)?
T+1 (Trade + 1 day). If you buy on Monday, shares reach your demat account by Tuesday. This was T+2 until 2023.
If a stock is listed on both NSE and BSE with different prices, what happens?
Arbitrageurs buy on the cheaper exchange (lower ask) and sell on the exchange with the higher bid, making profit. This arbitrage quickly equalizes prices across exchanges (market efficiency).
Is the total market cap of NSE-listed companies larger or smaller than BSE's?
Larger. Since nearly all large companies are dual-listed, the NSE-listed universe has historically had a significantly larger total market capitalization than BSE's.
What is the role of the secondary market if companies don't get money from it?
1) Price signals (tells management if they're doing well), 2) Liquidity (investors buy IPOs knowing they can exit), 3) Wealth creation (investors/employees benefit), 4) Benchmarking (indices track economy).
Why do companies choose dual listing (both NSE and BSE)? :: Liquidity (access more buyers/sellers) and prestige (BSE has legacy value). Costs are minimal compared to benefits of wider reach.
Stock exchange ka matlab hai ek organized marketplace jahan buyers aur sellers milte hain shares trade karne ke liye. India mein do main exchanges hain: BSE (Bombay Stock Exchange, 1875 se) aur NSE (National Stock Exchange, 1992 se).
BSE India ka sabse purana exchange hai—legacy aur trust ka symbol. Iska benchmark index SENSEX hai (30 badi companies). Lekin NSE ne 1994 mein game badal diya jab unhone puri tarah electronic trading introduce kiya. Pehle BSE mein brokers floor pe khade hokar chillate the ("open outcry"), lekin NSE ne screens aur computers use kiye. Result? NSE ne 3 saal mein hi BSE ko volume mein peeche chhod diya. Aaj NSE handle karta hai 90% trading volume. Ek important point: kyunki zyadatar badi companies dono pe dual-listed hain, NSE-listed universe ka total market cap historically BSE se bada raha hai. NSE ka index NIFTY 50 hai (50 stocks). NIFTY mein IWF (Investible Weight Factor) simply free-float proportion hota hai—matlab kitne shares public trade ke liye available hain, koi 5% ka cap nahi.
Dono exchanges zaroori hain economy ke liye kyunki yeh liquidity (ap shares turant bech sakte ho), price transparency (sab ko same price dikhta hai), aur capital formation (companies ko paisa milta hai) provide karte hain. Ek interesting baat: agar koi stock dono exchanges pe listed hai aur prices alag hain, toh arbitrage traders sasti exchange pe buy aur mehngi pe sell karke seconds mein unhe equal kar dete hain. Yaad rakho—hamesha jahan ask kam ho wahan kharido, jahan bid zyada ho wahan becho. Yeh efficiency market ko fair banati hai. NSE speed aur derivatives mein dominate karta hai, jabki BSE IPO prestige aur SME platform ke liye preferred hai.
