Stock market glossary
Plain-English definitions of common NSE cash and F&O terms — including how each one is read and, importantly, what it does not tell you.
52-Week High / Low
The 52-week high is the highest price at which a security has traded over the trailing one-year period, and the 52-week low is the lowest pr…
Read definition →ATR (Average True Range)
ATR (Average True Range) is a volatility measure that summarises how much an instrument's price has moved, on average, over a chosen lookbac…
Read definition →Bear Trap
A bear trap is a chart pattern in which price briefly breaks below a recognised support level — suggesting a downside breakdown — and then q…
Read definition →Breakout
A breakout is when a stock's or index's price moves beyond a previously defined boundary — such as the top of a trading range, a swing high …
Read definition →Bull Trap
A bull trap is a chart pattern in which the price of a stock, index, or F&O instrument moves above a recognised resistance level or prior sw…
Read definition →Circuit Limits (Price Bands)
On NSE, a circuit limit (price band) is the maximum percentage a security's price is allowed to move in a single trading session, measured f…
Read definition →Delivery Percentage
Delivery Percentage is the share of a stock's total traded quantity on a given day that was settled by actual delivery of shares into demat …
Read definition →False Breakout
A false breakout occurs when price moves beyond a defined level such as a support, resistance, trendline, or the day's opening range, but fa…
Read definition →Muhurat Trading
Muhurat Trading is a short, ceremonial trading session that the NSE and BSE conduct on the evening of Diwali (Laxmi Pujan), considered an au…
Read definition →Open Interest
Open Interest (OI) is the total number of futures or options contracts that are currently open and not yet settled, closed out, or exercised…
Read definition →Securities Transaction Tax (STT)
Securities Transaction Tax (STT) is a statutory tax levied by the Government of India on the purchase and sale of securities that trade on a…
Read definition →Short Covering
Short covering is when traders who had earlier sold (gone short) a stock or F&O contract buy it back to close those positions. Because closi…
Read definition →Support and Resistance
Support and resistance are price zones on a chart where buying or selling interest has historically clustered, causing price to pause, slow,…
Read definition →T+1 Settlement
T+1 settlement is the Indian cash-market rolling settlement convention in which a trade executed on a trading day (T) is settled one trading…
Read definition →VWAP (Volume Weighted Average Price)
VWAP is the average price at which a stock, index, or contract has traded over a chosen period, weighted by the volume done at each price. O…
Read definition →NiftyLens provides general educational information and user-input mathematical utilities. It does not provide personalised investment advice, research recommendations, trade calls, price targets or suitability assessments. Market-calendar, settlement and transaction-cost information may change and should be verified against current official exchange, clearing, broker, depository and tax records. Trading and investing involve risk; you remain responsible for your own decisions and should seek appropriately qualified professional advice where needed.