Learn about IPO allotment and listing gains — Hinglish notes

1.3.7 · Stock-Market › Primary vs Secondary Market & IPOs

WHAT is happening?

WHY does allotment exist? (Steel-man the confusion)

Agar koi company 1,00,000 shares bechna chahti hai aur investors 10,00,000 shares ke liye apply karte hain, toh simply itne shares hain hi nahi. Company ko rationing karni hi padegi. India jaisi markets mein (SEBI ke rules), retail investors ke saath fairly treat kiya jaata hai — retail category mein har koi kam se kam ek lot guarantee paata hai agar possible ho, jo computerised lottery se decide hota hai jab demand zyada ho.

HOW is allotment computed? (Derive from first principles)

Define karo:

$N$ = shares ka number jo ek category ko offered kiye gaye
$D$ = us category mein demanded (apply kiye gaye) shares ki sankhya
Subscription ratio $R = \frac{D}{N}$

Case 1 — Undersubscribed ya exactly full ( $R \leq 1$ ): sabko woh milta hai jo unhone apply kiya. Koi rationing nahi chahiye.

Case 2 — Oversubscribed ( $R > 1$ ): applicants, lots se zyada hain.

Retail portion ke liye, allotment poore lots mein hota hai. Lo:

$A$ = total applicants ki sankhya (har ek ne ≥ 1 lot ke liye apply kiya)
$L$ = retail ke liye available total lots

Lots per applicant ka derivation (large applicants / proportionate): Dene wale total shares = $N$ . Total demanded = $D$ . Kisi ki fair share jo $q$ shares ke liye apply kiya: $allotted = q \times \frac{N}{D} = \frac{q}{R} .$ Kyun? Demand ki har rupee ko $N / D$ ka same fraction milna chahiye jo usne manga tha — yahi "proportionate" ka matlab hai.

HOW is listing gain computed? (Derive)

Maan lo tumhe issue price $P_{0}$ par shares allot hue aur stock listing day par $P_{1}$ par khulta hai.

Per share profit $= P_{1} - P_{0}$ . Tumne jo pay kiya uska percentage express karo: $Listing gain % = \frac{P _{1} - P _{0}}{P _{0}} \times 100$ $P_{0}$ se divide kyun? Kyunki gain tabhi meaningful hai jab invested money ke relative ho. ₹100 ke share par ₹20 ka profit bada hai (20%) lekin ₹10,000 ke share par chhota hai (0.2%).

Agar $x$ shares allot hue toh tumhara total rupee gain: $Gain = x (P_{1} - P_{0}) .$

Figure — Learn about IPO allotment and listing gains

Worked Examples

Common mistake Common mistakes (Steel-manned)

"Zyada lots ke liye apply karo → allotment ka better chance." Kyun sahi lagta hai: Raffle mein, zyada tickets = better odds. Catch: Retail category mein heavily oversubscribed IPO ke liye, SEBI ka rule hai pehle maximum ek lot per applicant; tumhari application mein extra lots lottery entries nahi add karte. Fix: extra lots tabhi help karte hain jab issue heavily oversubscribed nahi ho, ya HNI category mein (proportionate).

"Listing gain = Listing price − Issue price (rupees mein) woh return hai." Kyun sahi lagta hai: rupees concrete lagte hain. Fix: return $P_{0}$ ka percentage hona chahiye, warna tum stocks ko compare nahi kar sakte.

"Listing price = listing day ki closing price hai." Fix: Listing gain conventionally debut par opening/listing price use karta hai. Stock din bhar move kar sakta hai.

Recall Feynman: 12-saal ke bachche ko explain karo

Socho ek bakery 10 special cupcakes banati hai lekin 50 bachche chahte hain. Sabse tez daudne waalon ko dena fair nahi, isliye baker ek hat mein har bachche ka naam daalta hai aur 10 naam draw karta hai — yahi lottery se allotment hai, aur tumhara chance 10-out-of-50 = 1-in-5 hai. Ab maan lo har cupcake tumhe ₹120 mein mili, aur shop ke bahar bachche unhe ₹156 mein resell kar rahe hain. Woh ₹36 extra jo tumhe instantly milta — wahi tumhara listing gain hai. Agar bahut saare bachche cupcakes chahte hain (oversubscribed), toh kam log jeetenge — lekin har jeeti hui cupcake aksar zyada valuable hoti hai!

Active Recall

IPO kya hota hai?

Primary market mein company ke shares ki public ko pehli baar sale.

Allotment kya hai?

Jab demand supply se differ kare toh rationing/decide karne ka process ki kishe kitne shares milenge.

Oversubscription define karo.

Jab applied shares (demand D), offered shares (supply N) se zyada ho, yaani R = D/N > 1.

Subscription ratio formula

R = D / N (demand ÷ shares offered).

Retail lottery mein ek lot ki probability

p = L / A = lots available ÷ number of applicants.

q

shares maangne wale applicant ke liye proportionate allotment

allotted = q × (N/D) = q / R.

Listing gain percentage formula

(Listing price − Issue price) / Issue price × 100.

Listing gain ko issue price se divide kyun karte hain?

Kyunki return tabhi meaningful hota hai jab invested money ke relative ho; stocks ke beech comparison possible hota hai.

Kya heavily oversubscribed IPO mein zyada lots ke liye apply karne se retail odds improve hote hain?

Nahi — SEBI pehle ek lot per applicant cap karta hai; extra lots lottery entries nahi add karte.

Listing gains kahan hote hain — primary ya secondary market mein?

Secondary market (exchange) mein, listing day par.

Agar R ≤ 1 ho toh allotment mein kya hota hai?

Sabko exactly wahi milta hai jo unhone apply kiya; koi rationing nahi chahiye.

x

shares allot hone par total rupee gain

x × (Listing price − Issue price).

Connections

Primary vs Secondary Market — IPO primary mein hota hai, listing gain secondary mein realize hota hai.
Oversubscription and Subscription Ratio
SEBI Retail Investor Rules
Book Building vs Fixed Price Issue
HNI vs Retail Category Allotment
Grey Market Premium (GMP) — likely listing gain predict karta hai.