BofA GEMs Viewpoint: Not all UST sell-offs are equal for EM Sov spreads — one hike from the stress zone
Key takeaways Real yields, not Treasury yields, are the risk - We analyse 33 Fed-driven rates shocks since 2013 One hike away from historical US EM stress (This means US 2yr repriced by 50-60bp within a 30d window+ strong $ & lower S&P) EMBIG yield >8% signals outflows, 8.8% marks capitulation - Until EMBIG yields Fed hikes do not automatically mean wider EM spreads Following the upward revision to US rates forecasts by our BofA rates strategists (See 'Global Rates Weekly: From Jackson to action,' 18 September 2026), we revisit the implications for EM sovereign spreads. History suggests that the composition of a rates sell-off matters more than the magnitude of the move itself. Real yields, not Treasury yields, are the risk Across 33 Fed-driven rates shocks since 2013, 19 breakeven-led Treasury sell-offs were associated with c.21bp of EMBIG tightening on average, while real-yield-driven episodes led to c.10bp of widening. The divergence was even more pronounced in EM HY credit, which tightened by approximately 60bp during breakeven-driven shocks but widened by around 17bp during real-yield-driven shocks. A renewed Fed hiking cycle would be more likely to lift real yields, 2022 illu
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8% marks capitulation - Until EMBIG yields Fed hikes do not automatically mean wider EM spreads Following the upward revision to US rates forecasts by our BofA rates strategists (See 'Global Rates Weekly: From Jackson to action,' 18 September 2026), we revisit the implications for EM sovereign spreads. History suggests that the composition of a rates sell-off matters more than the magnitude of the move itself. 10bp of widening. The divergence was even more pronounced in EM HY credit, which tightened by approximately 60bp during breakeven-driven shocks but widened by around 17bp during real-yield-driven shocks.
A renewed Fed hiking cycle would be more likely to lift real yields, 2022 illustrates the real-yield transmission mechanism well. One hike away from historical US EM stress Our analysis suggests that meaningful EM HY stress typically emerged when the US 2yr was repriced by 50-60bp within a 30-trading-day window. 60-80bp of EM HY widening. 50bp over the past month, markets are approaching that zone.
However, past episodes suggest sustained EM stress also required a stronger US dollar (c 3%-4% strengthening) and weaker equities (S&P down 5%-8%). 0%, investors remain comfortable owning the asset class, attracted by its relatively high carry. Above that level, however, we enter a stress zone in which outflows typically begin. Investors become less comfortable with lower-quality credits.
8%, corresponding to EM HY yields of around 11%. Refinancing risks look manageable for most for now Higher market rates will likely gradually increase debt-servicing costs, but the direct refinancing impact remains limited for most frontier sovereigns. Near-term Eurobond maturities are generally modest relative to GDP. Bahrain stands out because of its larger rollover needs, while Argentina, Ecuador and Ghana are largely refinancing unusually low-coupon debt issued after restructurings.
Merveille Paja, EEMEA Sovereign Credit Strategist at BofA Global Research