Are US election probabilities now a critical driver of bond yields?

Michael Medeiros, CFA, Macro Strategist
3 min read
2024-11-30
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Last week’s Republican National Convention (RNC) offered little new information about the Republican platform or what a second term for former President Trump might look like. Instead, much of the week’s news was focused on what would happen with President Biden. This question was answered on Sunday (21 July) when Biden withdrew from the race and put forward Vice President Kamala Harris to replace him at the top of the ticket.  

What did the RNC mean for investors? In the short term, I think the market will be extremely sensitive to any signs that Trump’s election probability has peaked. In my view, the new Democratic ticket, at least in the short term, could provide that uncertainty, even though the Democrats continue to face fundamental headwinds.

For the bond market, the election remains a critical catalyst given the contrast between both parties as it relates to supply side policies such as trade and immigration, in addition to policy differences around taxation and regulation. A higher probability of divided government could lead to lower yields as markets focus on higher taxes in 2026, compared to a Republican sweep scenario, which would have the opposite effect. My cyclical research continues to suggest lower 10-year Treasury yields, while my structural work continues to imply much higher yields are necessary over time.

Where do we go from here?  In my view, there are both benefits and costs of Harris’ new place at the top of the Democrat’s ticket. On the upside, she could reduce concerns from the Democratic base around fitness for office. And, while Trump leads all Democrats with respect to the economy, immigration, and foreign policy, the Democrats retain an edge on reproductive rights. This was the single most important factor driving the Democrats’ success in all special elections and the midterms post the Dobbs decision. Harris could be a much more vocal and effective proponent of reproductive rights. Elevating this issue is necessary, but possibly not sufficient, for Democrats to improve their electoral prospects. Current polls that incorporate Trump versus Harris show Harris trailing Trump in key swing states, but by 1 – 2 percentage points less than Biden did. A new Democratic slate also could help close the enthusiasm gap — which currently favors Trump nearly 2:1 — and, relatedly, shore up support among 18- to 29-year-old voters where the Biden/Harris combo had been running around 20 points behind their 2020 results.

On the downside, Harris has proven to be a less appealing candidate for national office, with a relatively limited track record as both senator and vice president. Furthermore, since Biden stepped down from a position of weakness, not strength, Harris could be associated with this failing. Once the dust settles, the underlying issues of inflation and immigration will still likely linger for the Democrats. Before the debate, inflation and immigration were largely driving Trump’s persistent polling advantage. The next big step for the Democrats will be choosing a running made for Harris. With many possibilities in play, the math of the electoral college will likely weigh heavily in this selection.

The last month has gone favorably for Trump. His odds of winning have moved up sharply. It clearly isn’t a surprise to the market anymore either. Therefore, it’s worth thinking about what, if anything, in the short term could reverse that. We will be watching closely whether Harris’ new place at the top of the ticket and the selection of her running mate could do that.

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