Elections and Investments: Stay the Course
Presidential elections spark market jitters, but historical data shows they have minimal long-term impact on diversified portfolios.
U.S. presidential elections often generate intense media coverage and public anxiety, leading many investors to question their financial strategies. However, extensive historical analysis reveals that these events exert only a modest, short-term influence on overall market performance. Long-term returns for diversified portfolios remain largely unaffected by who occupies the White House.
The Anatomy of Election-Year Market Swings
Election periods typically coincide with elevated uncertainty, as polls shift, debates unfold, and policy promises dominate headlines. This atmosphere fuels temporary spikes in market volatility, particularly in the months preceding voting day. Data from major indices like the S&P 500 and Russell 1000 indicate that annualized volatility rises noticeably in the 100 days before elections, often reaching levels above the annual average.
Once results are announced, this uncertainty dissipates, leading to a measurable decline in fluctuations. For instance, post-election periods from 1984 to 2020 showed volatility dropping from 16.5% pre-election to 15.9% afterward, both below the broader timeframe’s 17.9%. Investors respond positively to resolved outcomes, paving the way for stabilized trading.
Historical Performance Across Administrations
A common misconception is that one political party consistently delivers superior market gains. Comprehensive reviews spanning over 150 years debunk this myth. A 60/40 equity-bond portfolio exhibited no statistically significant difference in returns during election versus non-election years since 1860.
Similarly, annualized stock returns under Democratic and Republican presidents show negligible variances when adjusted for broader economic cycles. Positive outcomes have prevailed regardless of the administration in power, underscoring that macroeconomic factors like interest rates, corporate earnings, and global events drive performance more than partisan policies.
| Presidency Type | Average Annual S&P 500 Return (1928-2022) | Key Influences |
|---|---|---|
| Democratic | ~10.2% | Policy focus on social spending, tech sector growth |
| Republican | ~9.8% | Tax cuts, deregulation boosting industrials |
| All Periods | ~10.0% | Economic cycles, Fed policy dominant |
Note: Figures approximate historical averages; actual returns vary by specific terms.
Post-Election Momentum and the Four-Year Cycle
Patterns emerge within presidential terms that transcend party lines. The three months following elections historically deliver higher average returns than the pre-election equivalent, as uncertainty lifts and policy anticipation builds. This trend extends into the first year of a new term, often the strongest within the four-year cycle.
Exhibits from Russell 1000 data highlight this: first-year gains outpace subsequent years due to optimism over fiscal reforms, infrastructure pushes, or regulatory easing. Markets, being forward-looking, price in these potentials early, rewarding patience through volatile phases.
- Pre-Election (3 months): Heightened volatility, modest or flat returns.
- Post-Election (3 months): Volatility eases, average returns elevate by 2-4%.
- First Year: Strongest performance, averaging 12-15% in equities.
- Years 2-4: Normalized gains, influenced by policy implementation realities.
Why Party Affiliation Doesn’t Dictate Returns
Differences in policy agendas—Democrats emphasizing healthcare and green energy, Republicans prioritizing defense and trade protections—can favor certain sectors temporarily. Post-2016, industrials surged on infrastructure expectations; healthcare thrives under divided government.
Yet, these sector tilts are minor compared to overarching drivers. Monetary policy from the Federal Reserve, inflation trajectories, and geopolitical stability exert far greater sway. Econometric studies confirm presidents inherit economic conditions that largely determine outcomes, not vice versa.
Congressional Control and Market Outcomes
Beyond the presidency, midterm and down-ballot races shape legislative gridlock or unity. Markets historically perform best post-election when Congress aligns with the president or is divided, enabling policy passage. Unified opposition correlates with subdued returns, though still positive over time (e.g., double-digit S&P gains even in challenging setups).
This dynamic illustrates how checks and balances temper extremes, fostering market-friendly compromises.
Behavioral Pitfalls: Emotions vs. Discipline
Election fervor amplifies behavioral biases. Partisan investors may overweight optimistic sectors or liquidate holdings if their preferred candidate falters, leading to suboptimal timing. Studies show heightened cash holdings in election years, followed by reinvestments yielding lower long-term compounded growth.
Consumer confidence wavers with polls, but disciplined savers who maintain contributions and allocations weather these storms best. Retirement horizons spanning decades demand ignoring short-term noise.
Building a Resilient Investment Framework
To navigate election cycles:
- Diversify Broadly: Blend equities, bonds, and internationals to mitigate U.S.-centric risks.
- Rebalance Regularly: Counter volatility without chasing headlines.
- Focus on Fundamentals: Prioritize earnings growth over policy speculation.
- Adopt Low Costs: Index funds erode less during uncertain periods.
- Plan Long-Term: Historical 7-10% equity premiums reward endurance.
Such strategies have sustained positive returns through 20+ election cycles, irrespective of outcomes.
Global Ripples from U.S. Votes
With U.S. equities comprising over 60% of global indices and the dollar as reserve currency, elections reverberate worldwide. Trade policy shifts or fiscal expansions influence emerging markets and commodities. Yet, local investors benefit from staying invested, as U.S. rebounds lift correlated assets.
FAQs: Elections and Your Portfolio
Should I sell stocks before an election?
No. Historical data shows selling amplifies losses from mistimed re-entries. Markets rise post-election on average.
Do bonds perform better under certain presidents?
Bond returns show insignificant partisan differences, driven more by Fed actions than fiscal policy.
How does volatility affect retirement savers?
Temporarily, but dollar-cost averaging smooths it over time, enhancing returns.
Is the four-year cycle reliable?
It’s a tendency, not a rule—strong in 70% of cycles, but global events can disrupt.
What if Congress flips?
Divided government often stabilizes markets via moderated policies.
Key Takeaways for Investors
Presidential elections matter for policy but pale against economic fundamentals in shaping investments. Volatility peaks pre-vote and fades after, with first-year presidencies offering tailwinds. Avoid reactive moves; embrace diversification and patience for enduring success.
References
- US elections – An important event for financial markets — LSEG (FTSE Russell). 2024. https://www.lseg.com/en/insights/ftse-russell/us-elections-an-important-event-for-financial-markets
- How presidential elections can impact your retirement plan — Voya. 2023-10-15. https://www.voya.com/individuals/learn/how-presidential-elections-can-impact-your-retirement-plan
- Do Presidential Elections Affect the Market — Citizens Bank. 2024. https://www.citizensbank.com/learning/how-election-years-impact-the-stock-market.aspx
- Presidential elections matter but not so much when it comes to your investments — Vanguard Investor. 2024. https://investor.vanguard.com/investor-resources-education/article/presidential-elections-matter-but-not-so-much-when-it-comes-to-your-investments
- Presidential Elections: What Do They Mean for Markets? — Dimensional Fund Advisors. 2024. https://www.dimensional.com/us-en/insights/presidential-elections-what-do-they-mean-for-markets
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