Stock Market Terminology N- Z — Part 2
Stock Market Terminology A-Z – Part 2 (N to Z): The Ultimate Guide for Indian Investors in 2026 we covered the essential market terms from A to M. Now, in this edition, we take you deeper into the financial world with critical terms from N through Z. Whether you are a first-time investor on NSE or BSE, a seasoned trader dealing in Futures & Options (F&O), or a business owner managing your company’s investments – understanding market terminology is your foundational weapon. As of 2026, SEBI has introduced several new compliance frameworks, and India’s capital markets have matured significantly with over 14 crore registered Demat accounts (Source: CDSL/NSDL, 2026). This guide is designed for Indian investors, decoded in the Indian context – covering NSE, BSE, SEBI regulations, tax implications under the Income Tax Act 1961 (updated 2025-26), and real-world rupee-denominated examples. Why Knowing Stock Market Terminology Matters in 2026 India’s financial ecosystem is evolving rapidly. With SEBI’s T+0 settlement now in pilot phase, new-age algo trading frameworks, and the rise of retail participation through GIFT City, knowing the right terminology is no longer optional – it is essential. Here’s why: Avoid costly mistakes due to misunderstood jargon Make informed decisions on NSE/BSE without relying blindly on brokers Understand SEBI circulars, financial news, and analyst reports File your taxes accurately – especially with LTCG, STCG, and F&O income distinctions Communicate effectively with CAs, financial advisors, and wealth managers Letter N – Key Stock Market Terms Term Definition & Example (2026 Context) NAV (Net Asset Value) The per-unit market value of a Mutual Fund scheme. Formula: (Assets – Liabilities) / Total Units. E.g., If a fund’s assets = ₹500 Crore, liabilities = ₹10 Crore, units = 5 Crore, then NAV = ₹98/unit. NBFC Non-Banking Financial Company – RBI-regulated entities that provide loans, asset financing, and investments but do not hold banking licences. E.g., Bajaj Finance, Muthoot Finance. NFO (New Fund Offer) The first subscription offer for a new Mutual Fund scheme. Similar to an IPO in equity markets. NFO units are typically issued at ₹10/unit. Nifty 50 India’s benchmark equity index comprising 50 top companies listed on NSE across 13 sectors. Managed by NSE Indices Ltd. As of 2026, Nifty 50 trades above 25,000 levels. Nifty Next 50 An index of 50 companies that are next in line after Nifty 50 – often called the ‘junior Nifty’. These are mid-to-large cap companies with high growth potential. Nominee A person designated to receive the investment benefits in the event of the investor’s death. As per SEBI 2024 mandate, all Demat accounts must have a registered nominee or opt-out declaration. NSE (National Stock Exchange) India’s largest stock exchange by trading volume, headquartered in Mumbai. Launched in 1992, NSE introduced electronic screen-based trading in India. It hosts equity, F&O, currency, and debt markets. NRI Investment Non-Resident Indians can invest in Indian stocks through the Portfolio Investment Scheme (PIS) under FEMA. Under Section 195, TDS is applicable on NRI capital gains. Letter O – Key Stock Market Terms Term Definition & Example (2026 Context) OHLC Open, High, Low, Close – four price points used in candlestick charts to analyse a stock’s trading session. Fundamental tool in technical analysis. Open Interest (OI) Total number of outstanding F&O contracts that have not been settled. Rising OI with price rise indicates bullish momentum; falling OI with price rise indicates short-covering. Option Chain A table displaying all available call and put options for a stock/index at various strike prices and expiry dates. Traders use it to gauge market sentiment via Put-Call Ratio (PCR). Order Book An electronic list of all buy and sell orders for a particular security arranged by price. NSE publishes real-time order books for transparency. OFS (Offer For Sale) A mechanism via which promoters or large shareholders of listed companies dilute their stake through the exchange platform. SEBI allows OFS only for companies with market cap above ₹1,000 Crore. Oversubscription When an IPO receives bids for more shares than it has offered. E.g., If an IPO offers 1 Crore shares and receives bids for 50 Crore shares, it is 50x oversubscribed. Letter P – Key Stock Market Terms Term Definition & Example (2026 Context) P/E Ratio (Price-to-Earnings) Valuation metric = Market Price per Share / EPS. E.g., If stock price = ₹500 and EPS = ₹25, P/E = 20x. Nifty 50 average P/E in 2026 hovers around 22-24x. P/B Ratio (Price-to-Book) Compares stock price to book value per share. P/B < 1 may indicate undervaluation. Formula: Market Price / (Total Assets – Total Liabilities) per share. PMLA (Prevention of Money Laundering Act) Governs KYC requirements for market participants. SEBI mandates strict PMLA compliance for brokers, AMCs, and Demat account holders. Portfolio The complete collection of financial investments held by an individual or institution – stocks, bonds, mutual funds, ETFs, gold, etc. Diversification across sectors reduces risk. Pledging of Shares Promoters may pledge their shares as collateral to raise loans. Excess pledging (>50%) is considered a red flag for investors. SEBI mandates quarterly disclosure of pledged holdings. PMS (Portfolio Management Service) A professional investment management service for HNIs. SEBI mandates minimum investment of ₹50 Lakhs (revised from ₹25L in 2020) for PMS. Put Option A contract giving the buyer the right to sell a security at a specific strike price before expiry. Put buyers profit when the market falls. In Indian markets, weekly Nifty puts are popular. Pre-Open Session NSE/BSE Pre-open session runs from 9:00 AM to 9:15 AM IST. It determines the equilibrium price (opening price) for stocks through a call auction mechanism. Letter Q – Key Stock Market Terms Term Definition & Example (2026 Context) QIB (Qualified Institutional Buyer) SEBI-defined large institutional investors: Mutual Funds, FIIs, Scheduled Commercial Banks, Insurance Companies. In IPOs, 50% of the QIB portion is reserved for anchor investors. QIP (Qualified Institutional Placement) A capital-raising method where listed companies issue shares/debentures to QIBs without a public offer. Faster than FPO and requires no SEBI pre-approval. Quartely
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