Stock market glossary

81 trading and investing terms explained for Indian retail traders. Each term links to a full guide.

A

Advance-Decline Ratio: A market breadth indicator comparing the number of advancing stocks to declining stocks on a given trading day. It helps assess overall market sentiment and strength beyond just index movements. Read: How to Read Market Breadth (Advance-Decline Ratio)
Ask Price: The lowest price at which a seller is willing to sell a stock on the exchange. The difference between ask and bid price represents the spread. Read: How to Read Buy and Sell Signals: A Beginner's Guide
ATR (Average True Range): A volatility indicator measuring the average price movement of a stock over a specified period. Used by traders to set appropriate stop-loss levels based on market volatility. Read: How to Set a Stop-Loss for Intraday Trading Using ATR

B

Bank Nifty: An NSE sectoral index comprising the 12 most liquid and large banking stocks in India. It serves as a benchmark for the banking sector and is popular for derivatives trading. Read: Bank Nifty Basics: Understanding India's Banking Sector Index
Bear Market: A market condition where prices decline by 20% or more from recent highs, characterized by widespread pessimism. Traders adjust strategies to profit from or protect against falling prices. Read: What Is a Bull vs Bear AI Debate for Traders?
Bid Price: The highest price a buyer is willing to pay for a stock at any given moment. It represents demand and is always lower than or equal to the ask price. Read: How to Read Buy and Sell Signals: A Beginner's Guide
Bollinger Bands: A technical indicator consisting of a moving average with upper and lower bands set at standard deviations. Used to identify overbought/oversold conditions and potential breakout opportunities. Read: Bollinger Bands Explained: A Complete Guide for NSE Traders
Breakout: A price movement beyond established support or resistance levels, often accompanied by increased volume. Traders use breakouts to identify potential trend starts and entry points. Read: Volume Analysis and Breakouts: Complete Technical Guide
Bull Market: A sustained period of rising stock prices, typically characterized by investor optimism and strong economic indicators. Traders favor long positions and momentum strategies during bull markets. Read: What Is a Bull vs Bear AI Debate for Traders?

C

Candlestick Pattern: Visual representations of price action showing open, high, low, and close prices for specific periods. Patterns like doji, hammer, and engulfing help predict potential price reversals or continuations. Read: Candlestick Patterns Every Indian Trader Should Know
Circuit Limit: Price bands set by NSE to curb extreme volatility, halting trading when a stock hits predetermined percentage limits. These protect investors from panic selling or excessive speculation. Read: How NSE Circuit Limits and Price Bands Work

D

DII (Domestic Institutional Investor): Indian institutional entities like mutual funds, insurance companies, and banks that invest in domestic markets. Their buying/selling activity significantly influences market trends. Read: FII vs DII: How Foreign and Domestic Institutions Move the Market
Double Top: A bearish chart pattern formed when price reaches a high twice but fails to break through, indicating potential reversal. Traders often short when price breaks below the pattern's support level. Read: Chart Patterns: Head and Shoulders, Double Top and Bottom, Flags

E

EMA (Exponential Moving Average): A type of moving average that gives more weight to recent prices, making it more responsive to new information. Commonly used for trend identification and crossover strategies. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks

F

Fibonacci Retracement: A technical tool using horizontal lines at key Fibonacci ratios (23.6%, 38.2%, 61.8%) to identify potential support and resistance levels. Popular for finding entry points during pullbacks. Read: Fibonacci Retracement for Beginners: Technical Analysis Guide
FII (Foreign Institutional Investor): Overseas institutional investors like hedge funds and pension funds investing in Indian markets. Their capital flows are closely monitored as market sentiment indicators. Read: FII vs DII: How Foreign and Domestic Institutions Move the Market
Flag Pattern: A continuation chart pattern resembling a parallelogram that slopes against the prevailing trend. Indicates a brief consolidation before the trend resumes in the original direction. Read: Chart Patterns: Head and Shoulders, Double Top and Bottom, Flags
FOMO (Fear of Missing Out): An emotional response causing traders to enter positions impulsively based on others' gains rather than analysis. A common psychological trap leading to poor trading decisions and losses. Read: Trading Psychology: FOMO and Revenge Trading

G

Gap Down: When a stock opens significantly lower than the previous day's close, leaving a visible gap on the chart. Often occurs due to negative news or after-hours developments. Read: Gap Up and Gap Down Trading Basics
Gap Up: When a stock opens significantly higher than the previous day's close, creating a gap on the price chart. Typically driven by positive news, earnings beats, or strong overnight sentiment. Read: Gap Up and Gap Down Trading Basics
GMP (Grey Market Premium): The unofficial premium at which IPO shares trade before listing on exchanges. Indicates investor sentiment but carries no regulatory protection or guarantee. Read: IPO GMP Explained: How Grey Market Premium Works and Its Limits

H

Head and Shoulders: A reversal chart pattern consisting of three peaks, with the middle peak (head) higher than the two shoulders. Signals potential trend reversal from bullish to bearish. Read: Chart Patterns: Head and Shoulders, Double Top and Bottom, Flags

I

India VIX: The volatility index of the NSE, measuring expected market volatility over the next 30 days. Higher VIX values indicate increased uncertainty and risk in the market. Read: India VIX Explained: Understanding Market Volatility Index
Institutional Flow: The net buying or selling activity of FIIs and DIIs in the market. Significant flows often drive market direction and are tracked daily by traders. Read: How to Read FII and DII Data Every Day: A Simple Guide
Intraday Trading: The practice of buying and selling stocks within the same trading day, with all positions squared off before market close. Requires active monitoring and quick decision-making to profit from short-term price movements. Read: What Is Intraday Trading and How Does It Work on NSE
IPO (Initial Public Offering): The process by which a private company offers shares to the public for the first time on stock exchanges. Retail investors can apply through their demat accounts during the subscription period. Read: IPO Investing in India: What Every Retail Trader Should Know
IPO Subscription: The demand for an IPO measured by how many times the issue size is subscribed across categories like QIB, NII, and retail. Higher subscription indicates strong investor interest. Read: IPO Subscription Status: QIB, NII and Retail Categories Explained

L

Leverage: The use of borrowed capital or margin to increase potential returns on investment. While it amplifies profits, it equally magnifies losses and is a primary reason retail traders lose money in derivatives. Read: Why Most Retail Traders Lose Money in F&O: SEBI Study Findings
Limit Order: An order to buy or sell a stock at a specific price or better. Provides price control but may not execute if the market doesn't reach the specified price. Read: How to Read Buy and Sell Signals: A Beginner's Guide
Liquidity: The ease with which a stock can be bought or sold without significantly affecting its price. High liquidity stocks have tight spreads and are preferred for intraday trading. Read: Top 10 NIFTY 500 Stocks for Intraday Trading in 2026
Long Position: Buying a stock with the expectation that its price will rise, allowing the trader to sell at a profit later. The most common trading strategy in bull markets. Read: What Is Intraday Trading and How Does It Work on NSE
Lower Circuit: The minimum price limit below which a stock cannot trade during a session, set by NSE to prevent panic selling. Trading resumes when the circuit opens or in the next session. Read: How NSE Circuit Limits and Price Bands Work

M

MACD (Moving Average Convergence Divergence): A momentum indicator showing the relationship between two moving averages of a stock's price. Generates buy/sell signals through centerline and signal line crossovers. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks
Margin: The collateral amount required to open and maintain leveraged trading positions in derivatives or intraday trading. NSE determines margin requirements based on volatility and risk parameters. Read: What Is Intraday Trading and How Does It Work on NSE
Market Breadth: An indicator measuring the overall participation in a market move by comparing advancing versus declining stocks. Helps confirm the strength or weakness of index movements. Read: How to Read Market Breadth (Advance-Decline Ratio)
Market Order: An order to buy or sell a stock immediately at the best available current price. Guarantees execution but not the exact price, especially in volatile markets. Read: How to Read Buy and Sell Signals: A Beginner's Guide
MIS (Margin Intraday Square-off): An order type used specifically for intraday trading that provides higher leverage than regular delivery orders. All MIS positions are automatically squared off by the broker before market close. Read: What Is Intraday Trading and How Does It Work on NSE
Momentum Trading: A strategy that involves buying stocks showing strong upward price movement and selling those with downward momentum. Traders use indicators like RSI and MACD to identify momentum shifts. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks
Moving Average: A technical indicator that smooths out price data by calculating the average price over a specific time period. Commonly used types include Simple Moving Average (SMA) and Exponential Moving Average (EMA). Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks

N

Nifty 500: A broad market index representing 500 companies listed on NSE, covering approximately 95% of free float market capitalization. Offers diverse opportunities for intraday and swing trading. Read: Top 10 NIFTY 500 Stocks for Intraday Trading in 2026
NII (Non-Institutional Investor): Individual or HUF investors applying for IPO shares worth more than ₹2 lakhs. This category bridges retail and institutional investors with separate allocation quotas. Read: IPO Subscription Status: QIB, NII and Retail Categories Explained
NII (Non-Institutional Investors): A category in IPO allocation for individual investors applying for shares worth more than ₹2 lakhs. This segment typically receives 15% of the issue size reserved for non-institutional bidders. Read: IPO Subscription Status: QIB, NII and Retail Categories Explained
NSE (National Stock Exchange): India's largest stock exchange by trading volume, offering trading in equities, derivatives, currency, and debt instruments. It operates fully electronic trading systems with transparent price discovery mechanisms. Read: What Is Intraday Trading and How Does It Work on NSE

O

Open Interest: The total number of outstanding derivative contracts (futures or options) that have not been settled or closed. Rising open interest along with price movement indicates strong trend continuation. Read: Volume Analysis and Breakouts: Complete Technical Guide
Opening Range Breakout: A trading strategy that identifies the high and low of the first few minutes of trading, entering positions when price breaks this range. Popular among intraday traders for capturing momentum. Read: Opening Range Breakout Strategy: Complete Guide for NSE Traders
Opening Range Breakout (ORB): A trading strategy that identifies the high and low prices during the first few minutes of trading and takes positions when price breaks out of this range. It's popular among intraday traders for capturing early momentum. Read: Opening Range Breakout Strategy: Complete Guide for NSE Traders
Overbought: A condition when a stock's price has risen too sharply and too quickly, suggesting a potential pullback or reversal. RSI readings above 70 typically indicate overbought conditions. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks
Oversold: A market condition indicating that a stock has declined too rapidly and may be due for a bounce or reversal. RSI readings below 30 generally suggest oversold conditions. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks

P

Paper Trading: Simulated trading using virtual money to practice strategies without risking real capital. It helps traders test their methods and build confidence before committing actual funds. Read: How to Build a Trading Plan: A Step-by-Step Guide
Pivot Points: Technical levels calculated from previous day's high, low, and close prices to identify potential support and resistance. Widely used by intraday traders to plan entry and exit points. Read: Pivot Points for Intraday Trading: Complete Guide for NSE Traders
Position Sizing: Determining how many shares or contracts to trade based on account size and risk tolerance. Proper position sizing is crucial for capital preservation and consistent trading performance. Read: Position Sizing: How Much to Risk Per Trade
Pre-market Session: A trading window on NSE from 9:00 AM to 9:15 AM where orders are collected but not executed until the regular market opens. It helps in price discovery and allows traders to react to overnight news. Read: Gap Up and Gap Down Trading Basics
Price Action: A trading methodology that relies solely on analyzing historical and current price movements without using indicators. Traders read patterns, candlesticks, and support-resistance levels to make decisions. Read: Candlestick Patterns Every Indian Trader Should Know
Pullback: A temporary reversal in price within a larger trend, offering traders an opportunity to enter in the direction of the main trend. Pullbacks to support in uptrends or resistance in downtrends are common entry points. Read: Understanding Support and Resistance Levels in Stock Charts

Q

QIB (Qualified Institutional Buyer): Large institutional investors like mutual funds and insurance companies allocated the largest portion in IPOs. Their subscription level is viewed as a quality indicator for the issue. Read: IPO Subscription Status: QIB, NII and Retail Categories Explained
QIB (Qualified Institutional Buyers): Large institutional investors like mutual funds, insurance companies, and banks that participate in IPO allocations. This category is allocated 50% of the issue size in public offerings. Read: IPO Subscription Status: QIB, NII and Retail Categories Explained

R

Range-bound Market: A market condition where prices move sideways between defined support and resistance levels without a clear trend. Traders can profit by buying near support and selling near resistance. Read: Understanding Support and Resistance Levels in Stock Charts
Relative Strength Index (RSI): A momentum oscillator that measures the speed and magnitude of price changes on a scale of 0 to 100. It helps identify overbought conditions above 70 and oversold conditions below 30. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks
Resistance Level: A price level where selling pressure historically exceeds buying pressure, preventing further upward movement. Breaking resistance often signals continuation of uptrend. Read: Understanding Support and Resistance Levels in Stock Charts
Retail Investor: Individual non-professional investors who buy and sell securities for their personal accounts. In IPOs, retail investors can apply for shares worth up to ₹2 lakhs with a 35% reservation. Read: IPO Subscription Status: QIB, NII and Retail Categories Explained
Retracement: A temporary price movement against the prevailing trend before the trend resumes. Fibonacci retracement levels help traders identify potential support or resistance during pullbacks. Read: Fibonacci Retracement for Beginners: Technical Analysis Guide
Revenge Trading: Impulsive trading driven by the desire to recover losses quickly, often leading to larger losses. A psychological trap where emotions override rational analysis and trading plans. Read: Trading Psychology: FOMO and Revenge Trading
Risk Management: The process of identifying, assessing, and controlling potential losses in trading through proper position sizing, stop-losses, and diversification. It's essential for long-term trading success. Read: Position Sizing: How Much to Risk Per Trade
Risk-Reward Ratio: The relationship between potential profit and potential loss on a trade, expressed as a ratio (e.g., 1:2). Professional traders typically seek ratios of 1:2 or better to maintain profitability over time. Read: Risk-Reward Ratio Explained
RSI (Relative Strength Index): A momentum oscillator measuring the speed and magnitude of price movements on a 0-100 scale. Values above 70 indicate overbought conditions, while below 30 suggests oversold levels. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks

S

Scalping: A high-frequency trading strategy involving multiple trades throughout the day to capture small price movements. Scalpers hold positions for seconds to minutes, requiring tight spreads and quick execution. Read: What Is Intraday Trading and How Does It Work on NSE
SEBI (Securities and Exchange Board of India): The regulatory authority governing securities markets in India, protecting investor interests and ensuring fair trading practices. SEBI issues guidelines on trading, IPOs, and market conduct. Read: Is Using AI for Stock Analysis Allowed in India? SEBI Rules Explained
Sector Rotation: An investment strategy where traders move capital from one industry sector to another based on economic cycles and relative performance. Tracking FII/DII flows helps identify sector preferences. Read: FII vs DII: How Foreign and Domestic Institutions Move the Market
Short Selling: Selling borrowed shares with the expectation of buying them back at a lower price to profit from a decline. In intraday trading, positions must be covered before market close. Read: What Is Intraday Trading and How Does It Work on NSE
Slippage: The difference between the expected price of a trade and the actual execution price, common in fast-moving or illiquid markets. Market orders in volatile stocks often experience slippage. Read: What Is Intraday Trading and How Does It Work on NSE
Stop Loss: A predetermined price level at which a losing position is automatically closed to limit further losses. Setting appropriate stop-losses based on ATR or support levels is crucial for risk management. Read: How to Set a Stop-Loss for Intraday Trading Using ATR
Support Level: A price level where buying interest is strong enough to prevent further decline, causing prices to bounce or consolidate. Previous lows, trend lines, and moving averages often act as support. Read: Understanding Support and Resistance Levels in Stock Charts
Swing Trading: A trading style that holds positions for several days to weeks to capture medium-term price movements. It requires less time than day trading while still offering active trading opportunities. Read: Chart Patterns: Head and Shoulders, Double Top and Bottom, Flags

T

Technical Analysis: The study of historical price and volume data to forecast future price movements using charts, patterns, and indicators. It assumes that all information is reflected in price action. Read: Understanding Support and Resistance Levels in Stock Charts
Trading Journal: A detailed record of all trades including entry/exit points, reasons, emotions, and outcomes. Maintaining a journal helps identify patterns in behavior and improve trading performance over time. Read: How to Keep a Trading Journal
Trading Plan: A comprehensive document outlining trading goals, strategies, risk management rules, and evaluation criteria. A well-defined plan helps maintain discipline and consistency in trading decisions. Read: How to Build a Trading Plan: A Step-by-Step Guide
Trend: The general direction in which a stock's price is moving over time—upward (bullish), downward (bearish), or sideways. Identifying and trading with the trend improves probability of success. Read: Understanding MACD, RSI and EMA Indicators for Indian Stocks

V

Volatility: A statistical measure of price fluctuation over time, indicating how quickly and significantly prices change. India VIX measures expected volatility in the Nifty 50 index over the next 30 days. Read: India VIX Explained: Understanding Market Volatility Index
Volume: The total number of shares traded during a specific period, indicating the strength of price movements. High volume during breakouts suggests strong conviction and increases reliability of the move. Read: Volume Analysis and Breakouts: Complete Technical Guide
VWAP (Volume Weighted Average Price): An intraday indicator showing the average price weighted by volume, used to assess whether current prices are trading at a premium or discount. It's popular among institutional traders for execution benchmarking. Read: How to Use VWAP for Intraday Trading on NSE

W

Whipsaw: A condition where price quickly moves in one direction then reverses sharply, triggering stop-losses before moving in the original direction. It's common in choppy or range-bound markets and frustrates traders using tight stops. Read: Understanding Support and Resistance Levels in Stock Charts

Educational content, not investment advice. StockFinz AI is not a SEBI-registered adviser. Trading involves risk of loss.