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This model is ideal for advisors who can configure it based on client goals. It can also be useful for non-profit entities by making them less reliant on donations.
Model isn't ideal for folks who aren't comfortable with at least 10% in drawdowns.
I invest in experimental variations of MacroWinds that may have other indices and dynamic allocation shifts.
The foremost risk is that the model stops working. The model is based on hindsight and assumptions that there will be boom-bust cycles, that the US will remain the dominant economy, that global climate change won't re-shape economies.
Personally, if the model returns less than 10% on the Rolling-10-Year-CAGR metric in a decent environment, I'll re-evaluate my bias towards the model. (Currently the worst on this metric is 14.25%).
The model completely ignores intra-month noise. Drawdown is measured peak-to-trough based on a monthly-close basis.
I've personally benefitted by following the works of Alex Shahidi, Gary Antonacci, Keller & Keuning, Wes Gray, Jack Vogel, Corey Hoffstein, Nick Maggiuli, Cullen Roche, Meb Faber, Morgan Housel, Ben Carlson, Michael Batnick, Allocate Smartly to name a few.