Stock Platform Tracked Congressional Trading Activity

Founded in 2020, Quiver Quantitative monitors market activity linked to members of Congress.

Updated on Oct. 6, 2026 in Public Companies

Bold flat-color editorial illustration of a compass needle balancing on stacked navy cubes, representing market analysis and financial data structures. — Quiver Quantitative aggregates financial data on congressional stock trades, offering retail investors insights into the potential conflicts of interest among lawmakers. AI Illustration. Upload story photo >

Live Poll

Should members of Congress be prohibited from trading individual stocks while in office?

Brothers James and Chris Kardatzke operate Quiver Quantitative, a stock research platform that aggregates data on congressional trading activity. The platform serves as a resource for investors seeking to follow the financial moves of lawmakers.

Why it matters

The founders argue that congressional stock trading presents a conflict of interest, and they aim to provide regular investors with a competitive advantage. Their advocacy highlights the visibility of these financial activities in national politics.

Quiver Quantitative maintains 750,000 registered users, with some paying $30 per month for access to market signals. The platform tracks trades disclosed under the 2012 STOCK Act, which requires reporting within 45 days.

The players

James and Chris Kardatzke

The brothers are the founders of Quiver Quantitative who advocate for a ban on individual stock trading by members of Congress.

Quiver Quantitative

This stock research platform aggregates transaction data from the Secretary of the Senate and the Clerk of the House.

The details

The platform monitors diverse data sets, including corporate jet flight patterns and mentions on social media platforms like Reddit, to provide market signals. While the company is currently profitable with nearly a dozen employees, the founders anticipate a potential decline in traffic if a proposed ban on congressional stock trading is enacted.

Congress passed the STOCK Act in 2012.
The Kardatzke brothers founded Quiver Quantitative in 2020.
Congressional trading ads appeared in 80 contests during the 2026 midterms.

Market Landscape

Quiver Quantitative operates as a niche player in the financial research sector by leveraging legislative disclosure requirements. This model reflects a broader shift toward using public government data to inform private market strategies.

Retail investors can use these aggregated reports to monitor the trading habits of their elected officials. However, users should weigh the monthly $30 subscription cost against their individual investment goals and risk tolerance.

The takeaway

The rise of platforms like Quiver Quantitative highlights a growing consumer demand for transparency regarding the financial lives of public officials. Investors often turn to these tools to navigate potential conflicts of interest within the legislative branch.