MFERM in Action

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What These Insights Reveal
Each case study applies MFERM’s three core questions to a live market problem.
1. Does Macro Matter? — Return Attribution
MFERM decomposes returns daily into macro and idiosyncratic components — revealing whether macro is a tailwind or headwind. Posts 1, 2, and 11 show equities rallying while macro-attributable returns turned negative. Post 9 shows XLP outperforming with low macro support. When factor and spot returns diverge, the model is flagging a shift.
2. Which Factors Matter? — Exposures & Regime
MFERM quantifies every macro sensitivity and how it’s changing. But exposures are the kitchen; the regime is the dish the market wants served. Post 4 reveals Value vs Growth as a bet on 5s30s steepening. Post 5 shows EEM vs SPY coiled at 9-year USD sensitivity highs. These are implicit macro bets traditional risk models don’t surface.
3. Am I Compensated for taking Macro Risk? — Risk Decomposition
The Macro Share of Risk (MSR) measures how much predicted risk comes from macro. Elevated MSR = fear premium embedded. Low MSR = complacency and fragility. Post 3 flags complacency entering 2026. Post 7 shows IWM’s MSR at range lows despite peak Sharpe. In each case, the model identified vulnerability early.
Continue reading our analysis by downloading the PDF above
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