The impeachment preliminary battle has begun, and Democratic Party strategies have ignited market uncertainty.
2026-04-24 17:59:41
On Friday, April 24th, major US stock indices traded in a mild, volatile pattern. The S&P 500 remained around 7100 points, the Dow Jones Industrial Average approached 49300 points, and the Nasdaq Composite hovered around 24400 points. The 10-year US Treasury yield remained stable at 4.3%, the VIX volatility index hovered around 19, and the US dollar index remained in the 98.8 range. With geopolitical tensions easing somewhat, investors turned their attention to the latest developments in US domestic politics. A group of Democratic members of the House of Representatives are actively pushing for impeachment proceedings against President Trump, injecting potential uncertainty into the market. Traders should continue to monitor the impact of changes in the balance of power in Congress on the pace of policy implementation.
A group of Democratic House members inclined to take a hardline stance are urging the party to prepare impeachment materials in advance in preparation for a potential change of control of the House in January 2027. Illinois Representative Delia Ramirez recently stated explicitly that she needs to emphasize to the party leadership the need for a very specific and coordinated strategy, accumulating evidence through fact-checking, shadow hearings, and other means to create favorable conditions when they gain power. She stressed that waiting until January 2027 to begin this work would be too late, citing the Republican approach of preparing in advance against the former Secretary of Homeland Security as a reference, although she pointed out that this is not a simple replication. Arizona Representative Yassamin Ansari pointed out that once the Democrats regain control of the House, the impeachment process will be overwhelming.
The latest poll data shows that 55% of American adults surveyed support a House vote to proceed with impeachment proceedings, while 37% oppose it, resulting in a net approval rating of 18%. There has also been a significant shift in party support: in June of last year, only 78 Democratic members supported the impeachment process, but by December that number had risen to 140, with 47 abstaining and only 23 voting against it. In January of this year, the impeachment articles against the former Secretary of Homeland Security garnered 187 signatures. These figures reflect a gradually strengthening consensus within the party, but some members remain reserved, believing that impeachment is unlikely to gain the necessary majority in the Senate.
Such internal congressional preparations could amplify policy uncertainty ahead of the midterm elections, leading to adjustments in investor expectations regarding legislative continuity. Traders are generally concerned that as focus shifts to investigations or preparatory processes, routine fiscal agendas such as budget deliberations and debt ceiling negotiations may face delays, potentially indirectly affecting the pace of Treasury supply and the shape of the yield curve. While the market is currently resilient, such dynamics often push up short-term risk premiums, reflected in implied volatility of options or pricing in specific sectors. Below is a brief comparison of recent related polls with historical data:
In addition, the shift in party voting is also noteworthy, from low support in the early stages to 140 votes in favor recently, showing that dynamic evolution may affect market pricing of expectations for control of Congress.
Looking back at past impeachment processes, market performance has often been divergent, not solely driven by political events. During the Clinton impeachment proceedings of 1998-1999, the S&P 500 index rose by more than 20% cumulatively, indicating that economic fundamentals and corporate earnings growth dominated valuation expansion. In contrast, the Watergate scandal peaked amid the oil crisis and economic recession, resulting in a significant correction in the S&P 500 index, with a cumulative decline of nearly 20%. However, the recession was the primary drag, not the impeachment itself.
During the recent impeachment inquiry phase in 2019, while US stocks experienced daily fluctuations, the overall index maintained an upward trend, with the S&P 500 recording a positive return for the year. Traders observed that the market typically digests political news quickly, shifting its focus to the Federal Reserve's policy path, corporate earnings reports, and global growth data. Analysts believe that in the current environment, while such preparations may temporarily push up VIX levels, if fundamental data remains stable, the market may maintain its pricing logic based on long-term trends. It is worth noting that historical statistics show that volatility is on average higher in midterm election years than in non-election years.
The November 2026 midterm elections will be a crucial turning point, with historical patterns showing that the ruling party often faces pressure to lose seats in these elections. Currently, the Republican majority in the House of Representatives is relatively weak, and the Democrats only need a small net gain to achieve a change in control. This could further intensify congressional investigations and hinder the progress of major legislation. Traders should be aware that widening political divisions could lead to delays in fiscal stimulus or reform agendas, indirectly affecting corporate investment decisions and profit expectations.
While some Democratic lawmakers have publicly supported impeachment, others argue that it is not a top policy priority for the party, emphasizing the need to prioritize security and public welfare issues. Overall, the proactive preparations demonstrate the party's enthusiasm, but the final outcome still depends on the election results and the Senate threshold.
Latest developments in Democratic lawmakers' preparations for impeachment
A group of Democratic House members inclined to take a hardline stance are urging the party to prepare impeachment materials in advance in preparation for a potential change of control of the House in January 2027. Illinois Representative Delia Ramirez recently stated explicitly that she needs to emphasize to the party leadership the need for a very specific and coordinated strategy, accumulating evidence through fact-checking, shadow hearings, and other means to create favorable conditions when they gain power. She stressed that waiting until January 2027 to begin this work would be too late, citing the Republican approach of preparing in advance against the former Secretary of Homeland Security as a reference, although she pointed out that this is not a simple replication. Arizona Representative Yassamin Ansari pointed out that once the Democrats regain control of the House, the impeachment process will be overwhelming.
The latest poll data shows that 55% of American adults surveyed support a House vote to proceed with impeachment proceedings, while 37% oppose it, resulting in a net approval rating of 18%. There has also been a significant shift in party support: in June of last year, only 78 Democratic members supported the impeachment process, but by December that number had risen to 140, with 47 abstaining and only 23 voting against it. In January of this year, the impeachment articles against the former Secretary of Homeland Security garnered 187 signatures. These figures reflect a gradually strengthening consensus within the party, but some members remain reserved, believing that impeachment is unlikely to gain the necessary majority in the Senate.
The impact of political uncertainty on market valuation and volatility
Such internal congressional preparations could amplify policy uncertainty ahead of the midterm elections, leading to adjustments in investor expectations regarding legislative continuity. Traders are generally concerned that as focus shifts to investigations or preparatory processes, routine fiscal agendas such as budget deliberations and debt ceiling negotiations may face delays, potentially indirectly affecting the pace of Treasury supply and the shape of the yield curve. While the market is currently resilient, such dynamics often push up short-term risk premiums, reflected in implied volatility of options or pricing in specific sectors. Below is a brief comparison of recent related polls with historical data:
| index | Current polls | Watergate Peak Reference |
|---|---|---|
| Support for impeachment | 55% | Similar to net support level |
| Opposition rate | 37% | Corresponding to lower support |
| Net support rate | 18% | Near all-time high |
A comparison of market reactions in historical impeachment cases
Looking back at past impeachment processes, market performance has often been divergent, not solely driven by political events. During the Clinton impeachment proceedings of 1998-1999, the S&P 500 index rose by more than 20% cumulatively, indicating that economic fundamentals and corporate earnings growth dominated valuation expansion. In contrast, the Watergate scandal peaked amid the oil crisis and economic recession, resulting in a significant correction in the S&P 500 index, with a cumulative decline of nearly 20%. However, the recession was the primary drag, not the impeachment itself.
During the recent impeachment inquiry phase in 2019, while US stocks experienced daily fluctuations, the overall index maintained an upward trend, with the S&P 500 recording a positive return for the year. Traders observed that the market typically digests political news quickly, shifting its focus to the Federal Reserve's policy path, corporate earnings reports, and global growth data. Analysts believe that in the current environment, while such preparations may temporarily push up VIX levels, if fundamental data remains stable, the market may maintain its pricing logic based on long-term trends. It is worth noting that historical statistics show that volatility is on average higher in midterm election years than in non-election years.
Midterm election prospects and policy implementation continuity considerations
The November 2026 midterm elections will be a crucial turning point, with historical patterns showing that the ruling party often faces pressure to lose seats in these elections. Currently, the Republican majority in the House of Representatives is relatively weak, and the Democrats only need a small net gain to achieve a change in control. This could further intensify congressional investigations and hinder the progress of major legislation. Traders should be aware that widening political divisions could lead to delays in fiscal stimulus or reform agendas, indirectly affecting corporate investment decisions and profit expectations.
While some Democratic lawmakers have publicly supported impeachment, others argue that it is not a top policy priority for the party, emphasizing the need to prioritize security and public welfare issues. Overall, the proactive preparations demonstrate the party's enthusiasm, but the final outcome still depends on the election results and the Senate threshold.
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