The iMGP DBi Managed Futures Strategy ETF, ticker DBMF, is the managed-futures sleeve of the “Crack-Up Boom” pitch, and it is worth understanding on its own mechanical terms before it gets wrapped in crisis language. Dan Ferris and Ron Paul present it as the ticker that made money in 2002 when markets fell, a claim that needs unpacking. The fund itself, how it is built, how it trades, and what it costs, is a more useful place to start than the doom narrative around it.
How the Fund Is Built
DBMF is an emulation fund, which means it does not run its own trading desk. Instead, it tries to reconstruct the average portfolio of the twenty largest managed-futures hedge funds, the commodity trading advisers that run systematic trend-following strategies across commodities, currencies, and interest rates. It does this by studying the publicly available data those funds disclose, their regulatory filings and positioning reports, and building a lagged approximation of what they collectively hold.
That construction is the whole story. A managed futures fund is normally a black box, its positions known only to its managers. DBMF is the opposite, transparent by design because it is copying what the big funds are already doing, a step behind. It is listed on NYSE Arca, trades like any ETF, and carries an expense ratio that, while higher than a plain index fund, is a fraction of the two-and-twenty fees a real commodity trading adviser charges. We covered the strategy behind it in our managed futures explainer.
How the Emulation Actually Works
The mechanism has a natural lag built in. DBMF observes what the large funds disclosed, then repositions to match, then the cycle repeats. That lag is both the source of its accessibility and its main imperfection. It means the fund will never perfectly match the returns of the industry it copies, it is always a beat behind, and its reconstruction of the target portfolios is an approximation, not a mirror image.
That is the honest fine print behind the pitch’s “made money in 2002” claim. The result belongs to the SG CTA index, the benchmark of the largest managed-futures funds, which DBMF emulates. DBMF itself did not exist in 2002, so a reader today is buying an approximation of the strategy that produced that year, with tracking error and a lag, not a guarantee of a replay. We decoded that claim in our DBMF explainer and our managed futures ETF explainer.
What It Is Good For
Judged on its own merits, DBMF is a legitimate tool. Managed futures genuinely are uncorrelated to stocks and bonds, the underlying strategy genuinely held up in 2002 and 2008, and DBMF is one of the few ways an ordinary investor can hold that exposure without the high minimums and performance fees. In a portfolio, it is best understood as a small, dedicated allocation, a diversifier sized to smooth the ride rather than a core holding, because the strategy’s value is in not moving with everything else.
The honest caveats are the tracking error, the higher expense ratio relative to a plain index fund, and the fact that the strategy itself has had long stretches of mediocre returns even as it earns its keep in crashes. That is the nature of an uncorrelated diversifier. It looks unnecessary in good times and invaluable in bad ones, which we placed in context in our alternative investments explainer.
How to Size It in a Portfolio
The practical question for anyone actually acting on the pitch is how much of a portfolio DBMF should be, and the honest answer is less than the presentation implies. The fund’s value is as a diversifier, a slice that smooths the ride when stocks and bonds fall together, and diversifiers work at modest sizes. A typical allocation is a single-digit percentage of a portfolio, enough to matter in a crisis without dragging down returns during the long stretches when the strategy is treading water.
That is a long way from the pitch’s framing, which presents the fund as a core answer to a coming collapse. Trend following is a complement, not a replacement, for the rest of a portfolio, and its real job is to be there, uncorrelated and quiet, when everything else stops working. The pitch wants you to think of it as life insurance against the crack-up boom. The honest framing is a small, permanent allocation that earns its keep in the crashes and costs you a little in the calm years in between.
The Honest Bottom Line
DBMF is a clever, genuinely useful product, a cheap, transparent way to hold a strategy that has historically been locked behind institutional doors, and it is arguably the most interesting holding in the “Crack-Up Boom” basket. The honest framing is that it is a diversification tool with a lag, not a crisis-proof bet with a 2002 replay built in.
The offer is The Ferris Report at $129 for the first year, renewing at $199, with a 30-day refund and a seven-stock “Capitalism in Crisis Portfolio.” If you want uncorrelated returns, DBMF is a reasonable way to get them. Just size it like a diversifier, not a savior.
Ready to see the research? Click here to view the Crack-Up Boom presentation.
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