What Is Return stacking?
Return stacking is a portfolio construction technique that keeps a core market exposure while adding another return stream on top of it. Futures, swaps, or other capital-efficient instruments can provide one of the exposures without requiring the full notional amount to be paid upfront. The remaining capital can support the other exposure or serve as collateral. The approach is related to portable alpha when the additional strategy seeks alpha independently of the core market.
For example, a portfolio with $100 of capital might obtain $100 of broad stock exposure through index futures, keep cash for margin, and add $100 of notional exposure to managed futures. Its combined gross market exposure is then about $200 for each $100 invested. The managed futures strategy can diversify the stocks if their returns behave differently, but it can also lose money at the same time. Notional exposure describes position size; it neither promises doubled returns nor measures total risk.
Stacking uses leverage and introduces financing or futures carry costs, trading expenses, margin requirements, and the risk of losses across both exposures. The benefit depends on the additional strategy’s returns after those costs and on how its risks interact with the core portfolio. Investors should compare total exposure and drawdown risk with the unstacked portfolio, rather than comparing only the cash allocated to each holding.
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