Letter I

I — Trading Terms Starting With I

Explore trading terms beginning with I, with clear definitions covering market structure, execution, risk, instruments, analysis, psychology, and performance concepts used by traders.

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I
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Trading terms beginning with I

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Implied Volatility

Implied volatility is the market’s estimate of how much an underlying asset may move in the future. It is derived from option prices and often changes around earnings, economic releases, and periods of uncertainty.

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Index

An index tracks the performance of a selected group of assets, such as stocks, sectors, bonds, or commodities. It provides a benchmark for market performance and can also serve as the underlying for futures, options, and funds.

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Index Fund

An index fund is an investment fund designed to follow the performance of a selected market index. It generally uses passive management and seeks to replicate the index rather than outperform it through active stock selection.

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Indicator

A trading indicator is a mathematical calculation based on price, volume, volatility, or other market data. Traders use indicators to study trend, momentum, volatility, and possible entry or exit conditions.

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Initial Margin

Initial margin is the minimum capital required to open a leveraged position. It acts as collateral and is usually only a fraction of the total notional value controlled by the trade.

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Inside Bar

An inside bar is a candle whose high and low remain within the range of the previous candle. It often reflects consolidation, reduced volatility, or temporary balance before continuation or reversal.

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Institutional Investor

An institutional investor is a large organization, such as a mutual fund, pension fund, bank, insurance company, hedge fund, or sovereign wealth fund, that invests substantial capital in financial markets.

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Intraday Trading

Intraday trading involves opening and closing positions within the same trading session. Traders focus on short-term price movement and usually avoid overnight exposure, gap risk, and financing costs.

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Invalidation Level

An invalidation level is the price or condition at which the original trade idea is considered no longer valid. It is commonly used to determine stop-loss placement and to prevent uncontrolled loss expansion.

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