Using capital-efficient instruments (futures, leveraged ETFs, portable alpha strategies) to hold two or more uncorrelated return streams on the same capital base — e.g., owning 100% equities AND 100% trend following on $1 of capital — thereby accessing genuine diversification without sacrificing equity upside.
Practitioner identifies uncorrelated strategy pairs (e.g., equities + managed futures trend), selects the least correlated version of each (not carry when trend protection is the goal), and uses futures or leveraged vehicles to add the second stream on top without liquidating the first. Stack size is calibrated to the risk budget: conservative = 1/3 equity + 1/3 bonds + 1/3 managed futures; aggressive = 50/50/50 (150% gross).
Many practitioners add a carry strategy alongside trend following as a second diversifier, believing two uncorrelated strategies are always better than one. But carry collapses in the same crisis environments (2008-style risk-off) that motivate the trend allocation in the first place. The stack provides the appearance of diversification while eliminating the crisis protection at exactly the time it's needed.
The intuition that more gross exposure always means more risk is wrong when the exposures are genuinely uncorrelated. A 50/50/50 (150% gross) stack of equities, bonds, and trend following can produce lower maximum drawdowns than a 100% equity portfolio because each component fires in different stress regimes.
Return-stacked portfolios can improve risk-adjusted metrics while simultaneously increasing nominal dollar drawdowns. Clients experience nominal pain, not Sharpe ratios. A strategy that looks better on all quantitative metrics will still generate client exits if absolute dollar losses are larger than the reference portfolio.