Chapter 2: IPO & Markets
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Day 20: Index Calculate Kaise Hota?
Free-float market cap method — boring nahi, interesting hai!
2 min read
📖 Suresh Ka Sawaal
"Agar Reliance ka share ₹100 upar gaya aur ek choti company ka ₹1,000 upar gaya — toh Sensex pe zyada impact kiska hoga?" Suresh ne poocha.
Jawab: Reliance ka zyada impact hoga! Kyunki Sensex mein Reliance ka weight bahut zyada hai choti company se. Yahi free-float market cap method samjhaata hai!
"Agar Reliance ka share ₹100 upar gaya aur ek choti company ka ₹1,000 upar gaya — toh Sensex pe zyada impact kiska hoga?" Suresh ne poocha.
Jawab: Reliance ka zyada impact hoga! Kyunki Sensex mein Reliance ka weight bahut zyada hai choti company se. Yahi free-float market cap method samjhaata hai!
Free-Float Market Cap Method
Normal Market Cap: Share Price × ALL shares
Free-Float Market Cap: Share Price × Only PUBLICLY AVAILABLE shares
Promoter ke paas jo shares hain woh publicly available nahi hain (woh bechte nahi). Toh sirf public trading shares count hote hain!
Free-Float % = Shares available to public / Total shares × 100
Free-Float Market Cap: Share Price × Only PUBLICLY AVAILABLE shares
Promoter ke paas jo shares hain woh publicly available nahi hain (woh bechte nahi). Toh sirf public trading shares count hote hain!
Free-Float % = Shares available to public / Total shares × 100
📐 Index Calculation (Simplified):
Index Value = (Current Free-Float Market Cap of all stocks / Base Period Free-Float Market Cap) × Base Index Value
Nifty ke liye:
Base Period: Nov 3, 1995 = 1000
Agar total free-float cap 24x ho gayi base se = Nifty = 24,000 ✓
Index Value = (Current Free-Float Market Cap of all stocks / Base Period Free-Float Market Cap) × Base Index Value
Nifty ke liye:
Base Period: Nov 3, 1995 = 1000
Agar total free-float cap 24x ho gayi base se = Nifty = 24,000 ✓
Weight Ka Matlab
Nifty 50 Mein Weight Distribution (Approximate)
Reliance
~9%
HDFC Bank
~8%
TCS
~5%
Others (47)
~78%
🎉 Index Rebalancing!
Nifty/Sensex ki committee har 6 mahine mein review karti hai — koi company remove, koi add. 2023 mein Zomato Nifty 50 mein add hui! Uss din Zomato ka share ump hua! Jab koi company Nifty mein add hoti hai, toh Nifty tracking mutual funds automatically woh share khareedte hain — price upar!
Nifty/Sensex ki committee har 6 mahine mein review karti hai — koi company remove, koi add. 2023 mein Zomato Nifty 50 mein add hui! Uss din Zomato ka share ump hua! Jab koi company Nifty mein add hoti hai, toh Nifty tracking mutual funds automatically woh share khareedte hain — price upar!
🎯 Chapter 2 Summary!
IPO, GMP, listing, share types, valuations, market cap, Sensex, Nifty, index calculation — ab tum IPO expert ho! 🎓
Agla chapter bahut important hai — Mutual Funds aur SIPs! Woh system jo lakhs of common Indians use karte hain bina direct stocks khareede without any knowledge. Let's go!
IPO, GMP, listing, share types, valuations, market cap, Sensex, Nifty, index calculation — ab tum IPO expert ho! 🎓
Agla chapter bahut important hai — Mutual Funds aur SIPs! Woh system jo lakhs of common Indians use karte hain bina direct stocks khareede without any knowledge. Let's go!