What Is Notional exposure?
Notional exposure is the face amount of an underlying market position represented by a derivative. For an index futures position, it is typically the index level multiplied by the contract multiplier and the number of contracts. The investor normally posts only a fraction of this amount as collateral or margin. For linear futures, gains and losses respond to changes in the underlying position’s full notional amount; options and other non-linear derivatives have different sensitivities.
A return stacking strategy may therefore combine $100 of stock exposure with $100 of futures notional for every $100 of capital. It has $200 of gross exposure, calculated by adding the absolute amounts of the positions. Long and short exposures to the same market can offset in a net measure. Neither gross nor net notional alone describes the risk of the portfolio: direction, underlying assets, volatility, and hedges matter.
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