What Is Market Exposure?
Market exposure is the extent to which a portfolio’s value responds to a specified market, asset class, sector, or risk factor. It includes both direct holdings and exposure created or offset by derivatives. The market and measurement method should be stated: dollar or percentage exposure describes position size, while beta estimates sensitivity of returns to a particular benchmark.
For example, $100 of stocks and $100 of short equity-index futures have about $200 of gross equity exposure when the absolute position sizes are added. Their net equity exposure may be close to zero if the holdings closely track the index. The positions can still have stock-specific risk, imperfect hedging, and margin needs. A beta overlay can similarly add exposure to a portfolio without buying the underlying shares.
A derivative’s notional exposure is a useful starting measure of market exposure, but it is not by itself a complete measure of risk, especially across different markets or non-linear instruments.
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