Market Intelligence › Basic Terminologies

ISIN

Each security has a unique 12-character code, which remains the same even when the exchange is changed.

Published by The Retail Trader · JUL 31, 2026 · Market Basics

ISIN — the unique 12-character code of each security, which remains the same even when the exchange changes.

WHERE THIS FITS IN

This term comes under Market Basics, in the section "Market Structure". First the words that describe market plumbing:

RELATED TERMS TO READ

Other terms in this group — understanding them together is more useful:
• Share (Stock)
• Equity
• Stock Exchange
• NSE
• BSE
• SEBI
• Broker
• Demat Account
• Trading Account
• Depository
• Ticker / Symbol

To read the entire group and all its examples in one place, see the journal "MARKET BASICS: ABC of Market" - this term has been taken from there.

This entry is for educational purposes only and is not a recommendation to buy or sell. Exchanges change charges, margins, lot sizes and expiry rules from time to time, so verify any figures with your broker or exchange.

Back to Market Intelligence