“Captain Gains”: How Congressional Leaders Outperform the Market by 47%
the staff of the Ridgewood blog
Wall Street NY, a bombshell new working paper titled “Captain Gains” on Capitol Hill is sending shockwaves through Washington and Wall Street alike. Authored by economists Shang-Jin Wei and Yifan Zhou, the study reveals a staggering “leadership premium” in the stock market—one that only activates once a lawmaker ascends to a position of power.
The findings come at a critical moment in 2026, as public distrust in Congress remains at an all-time high and the push for a total ban on congressional stock trading reaches a fever pitch.
The 47% Alpha: From Peer to “Pro”
The most striking discovery in the Wei and Zhou paper is the timeline of success. Lawmakers who eventually become leaders (Committee Chairs, Party Leaders, etc.) don’t start out as stock market geniuses.
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Before Ascension: Future leaders perform similarly to their peers.
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After Ascension: Once they hit leadership status, they outperform their colleagues by a massive 47 percentage points annually.
This “performance spike” suggests that the outperformance isn’t due to innate investing skill, but rather the unique access and influence that comes with a leadership gavel.
Inside the Playbook: How They Do It
The researchers identified two primary “channels” that congressional leaders use to secure these abnormal returns:
1. The Political Influence Channel
Leaders don’t just watch the news; they make it. The study found:
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The Power Play: Returns are significantly higher when the leader’s own party controls the chamber.
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The “Exit” Strategy: Leaders frequently sell stocks immediately before negative regulatory actions are announced.
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The “Contract” Play: They often purchase stocks in firms that receive major government contracts or benefit from party-supported legislation.
2. The Corporate Access Channel
This channel suggests that being a leader opens doors to private boardrooms and donor networks:
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Predictive Trading: Leaders’ trades often accurately predict corporate news before it hits the public wire.
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The Home-State Advantage: They see significantly higher returns on stocks of firms owned by campaign donors or companies headquartered in their home states.
Why This Matters: The Fight for Ethical Reform
The “Captain Gains” paper, published in late 2025, has already caught the attention of The New York Times and Fortune. It adds academic weight to a growing national outcry.
Currently, almost all members of Congress trade stocks, and many do so in sectors directly related to their committee work. A recent investigation found that 18% of lawmakers traded stocks in industries they were tasked with overseeing between 2019 and 2021.
The Ethics Gap: While 7 in 10 Americans hold an unfavorable view of Congress, there is rare bipartisan agreement on one issue: The vast majority of both Republican and Democratic voters support a total ban on congressional stock trading.
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