Strategas Macro Momentum ETF (SAMM)

The Strategas Macro Momentum ETF, trading under the ticker SAMM, is a rules-based exchange-traded fund that systematically rotates capital among the eleven sectors of the US stock market in response to macroeconomic conditions and price momentum signals, seeking to outpace a buy-and-hold portfolio while avoiding sector concentration.

What the strategy actually does

The fund holds a concentrated portfolio of just a handful of stocks at any given time — typically between one and four holdings — selected from whichever US stock sectors the underlying Strategas Macro Momentum Index identifies as attractive. The selection process combines two layers of analysis: first, a macroeconomic screening that evaluates sector attractiveness based on conditions like yield curves, employment trends, and inflation measures; second, a momentum overlay that prioritises sectors showing price strength relative to the broader market. The result is a fund that may be heavily weighted to one sector for a period, then shift its entire portfolio into a different sector when the conditions suggest doing so.

This concentrated approach is deliberately different from traditional sector-rotation funds or broad market indices. Rather than holding a weighted sample across all eleven sectors, SAMM aims to be in the “right” sectors at the right time, which requires both more active rebalancing and tolerance for tracking error relative to the overall market. Rebalancing typically occurs monthly or quarterly, depending on when the underlying index signals shift according to its rules.

Who sponsors it and what it costs

Invesco, a large asset manager, sponsors SAMM. The expense ratio is relatively modest for an actively managed strategy, though slightly higher than a passive broad-market ETF. The fund trades on a major exchange with reasonable daily liquidity, though the concentrated nature of the holdings means the spread between bid and ask prices may widen during volatile markets. Investors can examine the fund’s prospectus and factsheet on Invesco’s website or through the fund provider’s resources, which detail the exact formula the Strategas Index uses to screen for macroeconomic attractiveness.

Real advantages and real risks

The appeal is straightforward: if the strategy’s rules genuinely identify attractive sectors and momentum trends early, the fund could outperform a static allocation over longer periods. Momentum investing has some academic backing as a return driver, and macro conditions do matter — shifting into defensive sectors when recession looms could reduce volatility.

The risks are equally real. First, the strategy can be wrong; macroeconomic forecasting is inherently fallible, and momentum signals can reverse abruptly. A fund that sold its entire position in technology for energy in 2021, only to reverse again in 2023, would have underperformed a simple buy-and-hold approach by a wide margin. Second, the concentration creates single-sector risk; investors are betting that SAMM’s timing is good enough to justify exposure to just one or two sectors at once rather than the diversification of owning all eleven. Third, whipsaws and tax-drag matter: high turnover can generate short-term capital gains and trading costs that eat into returns. Finally, even if the strategy works on average, results in any given year can lag the broader market substantially, which tests investors’ conviction and discipline.

How to research it

The prospectus and fact sheet are the starting point, detailing the index methodology and the fund’s performance history against benchmarks. Review the trailing one-year, three-year, five-year, and longer returns against a broad market index like the S&P 500 to understand whether the strategy’s timing has actually added value net of costs. Examine holdings reports to see what sectors SAMM is currently favoring and why, and cross-reference those against macro commentary from market observers. Watch the fund’s turnover and tax distributions over time; high turnover that does not translate to outperformance suggests the timing signal may be random noise. Strategas, the index creator, publishes research explaining the methodology and the signals driving recent portfolio changes, which can help clarify whether the moves align with your own economic outlook or if they contradict it.

Like any tactical strategy, SAMM demands an understanding that sector concentration and high turnover are feature, not bug — and that such features earn their keep only if the timing is right more often than not.