For decades, portfolio construction has revolved around a simple constraint: you have 100 percent of a total allocation, and every new addition requires taking a portion from somewhere else. That constraint has shaped everything as we look at the dominance of 60/40 portfolios and the difficulty of incorporating alternatives without sacrificing expected return.

Introducing WisdomTree’s Efficient Capital Framework

WisdomTree’s Efficient Capital framework was not introduced as a theoretical concept, and it was launched into the market in 2018 with the debut of the WisdomTree U.S. Efficient Core Fund (NTSX).

NTSX represented the practical implementation of an idea that had largely lived in institutional portfolios and academic journals for decades. By combining a 90% allocation to U.S. equities with a 60% exposure to U.S. Treasury futures, the strategy delivered approximately 150% notional exposure, effectively recreating a traditional 60/40 portfolio, but doing so more efficiently, using less capital for the same overall notional exposure.

The innovation wasn’t leverage for its own sake. It was about solving a structural inefficiency in portfolio construction, thereby freeing up capital without giving up core exposures.

Since 2018, WisdomTree has expanded its range of options within the broader Efficient Capital Framework, and we think gold offers one of the most illustrative examples of helping investors solve a classic portfolio conundrum.

Filling the Gap: Why Gold Might Belong in an Efficient Portfolio

One of the most intuitive uses of newly created portfolio “space” is gold, an asset that has served as a store of value for centuries, yet remains persistently debated in modern portfolio construction.

Unlike equities or bonds, gold does not generate cash flows. It pays no dividends, earns no interest and compounds nothing. In 2011, Warren Buffett famously stated “Today the world’s gold stock is about 170,000 metric tons. If all of this gold were melded together, it would form a cube of about 68 feet per side… You can fondle the cube, but it will not respond.”¹ That critique is valid, but it could also be incomplete. Gold’s role has never been about income. It is about diversification, purchasing power preservation and resilience in extreme environments.

Gold’s role in portfolios is often described in static terms, a few being:²

• Hedge
• Safe haven
• Diversifier

But in practice, its value is far more dynamic.

Gold tends to assert itself during periods when traditional assets face pressure, not only because of correlation properties, but because of how markets actually function under stress. During geopolitical shocks, for example, gold has historically outperformed equities over subsequent periods, even if its path is not always immediate or linear.³

What’s often overlooked is the mechanism. In the early stages of a shock, gold can decline alongside risk assets, not because its role has failed, but because it is one of the most liquid assets available to meet margin calls and forced selling. As those pressures subside, its fundamental drivers, such as geopolitical risk, currency instability and declining confidence in financial assets, can tend to reassert themselves.

At the same time, gold is deeply tied to macro conditions. Movements in real interest rates, the strength of the U.S. dollar and structural fiscal dynamics all influence its trajectory. In environments characterized by rising deficits, questions around monetary policy credibility or persistent geopolitical tension, gold’s role becomes more pronounced, not as a return generator in the traditional sense, but as a portfolio stabilizer with potential asymmetric upside in stress scenarios.⁴

In that context, gold’s lack of yield is not a flaw, and it is what allows it to behave differently when it matters most.

Still, the implementation challenge remains.

Allocating to gold traditionally requires selling something else in one’s portfolio allocation, usually equities, the very asset class that has historically driven long-term wealth creation. This creates a difficult trade-off: diversification versus compounding.

This is where the WisdomTree Efficient Gold Plus Equity Strategy Fund (GDE) fits within the Efficient Capital framework. This strategy was launched by WisdomTree in March of 2022.

GDE is designed to resolve that tension by combining approximately 90% exposure to U.S. equities⁵ with 90% exposure to gold futures, delivering roughly 180% notional exposure. Instead of replacing equities with gold, it allows investors to hold both simultaneously.

In effect, if Efficient Core creates space, GDE fills it with a complementary asset, one that behaves differently across market regimes, without forcing investors to give up their primary engine of growth.

The result is a more balanced portfolio: one that can participate in upside, but is also better equipped for the environments where traditional allocations fall short.

From Trade-Off to Addition: A New Way to Add Gold to Portfolio Allocations

To make this more tangible, we can compare three portfolio allocations, but first we have to define our different ETF building blocks.

• IVV: The iShares Core S&P 500 ETF, which is designed to track, before fees and expenses, the total return performance of the S&P 500 Index, the most widely followed and referenced benchmark for U.S. equity market performance. This strategy is among the largest by assets under management tracking this benchmark.
• AGG: The iShares Core U.S. Aggregate Bond ETF, which is designed to track, before fees and expenses, the total return performance of the Bloomberg U.S. Aggregate Bond Index. This is among the most widely followed measures of the performance of U.S. investment grade fixed income.
• GLD: The investment objective of SPDR® Gold Trust is for SPDR® Gold Shares to reflect the performance of the price of gold bullion, less the Trust's expenses. GLD is the largest, measured by assets under management, strategy that allows investors to gain exposure to the returns of ‘physical gold’ minus expenses as of this writing. We look to it as the primary choice investors got used to prior to having the example of WisdomTree’s Efficient Capital allocation choice.
• GDE: As described previously, this strategy focuses on providing broad exposure to a basket of U.S. large market capitalization equities alongside gold futures in a single investment strategy.

In Figure 1, the starting point is the ‘traditional 60/40’, 60% equities (IVV) and 40% fixed income (AGG). This serves as a familiar baseline, with 100% total notional exposure split between stocks and bonds.

From there, is the ‘traditional allocation to gold’ approach, which introduces exposure to gold by reallocating capital: 50% equities, 30% bonds and 20% gold, in this case through GLD. This maintains 100% total exposure but requires reducing core equity and bond allocations to make room for the diversifier, in this case, gold.

The ‘Efficient Allocation to Gold’ takes a different path.

Overall, the idea is to keep the roughly 60% U.S. equities and 40% U.S. fixed income parts of the allocation intact, but to then add exposure to gold over the top. Figure 1 shows how placing:

• 40% in IVV
• 38% in AGG
• 22% in GDE

Leads to notional exposures of 60% U.S. equities, 38% U.S. fixed income and 20% gold, in this case, gold futures.

This is the key distinction. The investor keeps close to the original allocation and adds a potential diversifier, in this case gold, over the top.

Figure 1: Gold Without the Trade-Off: Rethinking Portfolio Construction

Has It Worked? The Performance Case for Efficient Gold

Figure 2a illustrates a consistent performance hierarchy across time horizons, with portfolios incorporating gold outperforming a traditional 60/40 allocation. The “efficient allocation to gold” leads in almost every period, most notably over one year and three years. Even the traditional gold allocation improves outcomes relative to 60/40, reinforcing gold’s diversification benefits. We do recognize that gold has delivered strong performance over this period, which is really defined by GDE's inception date of March 17, 2022.

Figure 2a: Adding Gold Without Sacrificing Returns: The Performance Evidence

Figure 2b: Standardized Returns

Conclusion: From Trade-Off to Opportunity

Gold has always occupied a unique place in portfolios, valued for its resilience, yet often underutilized because of the trade-offs required to own it. For decades, investors have faced a binary choice: allocate to gold and give up a certain percentage exposure to equities, or prioritize growth and forgo diversification.

Efficient Capital changes that equation.

By separating exposure from capital, strategies like GDE allow investors to move beyond that trade-off. Instead of asking whether to own gold or equities, the question becomes how to own both in a more intentional way. The result is a portfolio that retains its core growth engine while incorporating an asset designed to respond differently across macro environments.

In a world shaped by shifting geopolitical risks, evolving monetary policy and less reliable traditional diversification, that flexibility matters. The goal is no longer just participation—it is adaptability.

And that may ultimately be the most valuable asset of all.

Figure 3: Additional Information

1. Source: Buffett, W. E. (2011). Berkshire Hathaway Inc. 2011 annual letter to shareholders. Berkshire Hathaway Inc.
2. Source: Baur, D. G., & McDermott, T. K. (2025). Revisiting the hedging and safe haven roles of gold. Journal of International Financial Markets, Institutions and Money.
3. Source: Source: Bloomberg, WisdomTree, 1973–2026. Past performance is not indicative of future results. Equities refers to the S&P 500 Index, specifically the price return, which does not include the impact of any dividend reinvestment. Gold refers to the LBMA gold price, calculated as of the afternoon fixing. The return is calculated as the 1 year period following the date specified, for example, the Israel-Hamas War was October 7, 2023, so the period would be from that date to October 7, 2024.
4. Source: Federal Reserve Bank of Chicago. (2021). What drives gold prices? Chicago Fed Letter, No. 464.
5. U.S. equities in the context of GDE refers to 500 U.S. large market capitalization stocks that are weighted on the basis of market capitalization.

Source: Buffett, W. E. (2011). Berkshire Hathaway Inc. 2011 annual letter to shareholders. Berkshire Hathaway Inc.

Source: Baur, D. G., & McDermott, T. K. (2025). Revisiting the hedging and safe haven roles of gold. Journal of International Financial Markets, Institutions and Money.

Source: Source: Bloomberg, WisdomTree, 1973–2026. Past performance is not indicative of future results. Equities refers to the S&P 500 Index, specifically the price return, which does not include the impact of any dividend reinvestment. Gold refers to the LBMA gold price, calculated as of the afternoon fixing. The return is calculated as the 1 year period following the date specified, for example, the Israel-Hamas War was October 7, 2023, so the period would be from that date to October 7, 2024.

Source: Federal Reserve Bank of Chicago. (2021). What drives gold prices? Chicago Fed Letter, No. 464.

U.S. equities in the context of GDE refers to 500 U.S. large market capitalization stocks that are weighted on the basis of market capitalization.