# 119-s-4188: Public Integrity in Financial Prediction Markets Act of 2026

119-s-4188, Public Integrity in Financial Prediction Markets Act of 2026, is a 119th Congress bill sponsored by Sen. Slotkin, Elissa [D-MI] (D-MI); status introduced; PRIA reads it as touching household money (as of 2026-04-25).

- Canonical: https://policyrisk.com/legislation/119-s-4188
- As of: 2026-04-25
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-4188
- Congress: 119
- Title: Public Integrity in Financial Prediction Markets Act of 2026
- Status: introduced
- Introduced: 2026-03-25
- Sponsor: Sen. Slotkin, Elissa [D-MI] (D-MI)
- Cosponsors: 3
- Policy area: Finance and Financial Sector
- Touches household money: yes
- Last recorded action: 2026-04-25

## Summary

**Ban on insider trading in prediction markets.** This bill would bar senior officials and many federal employees from using material nonpublic information to trade in prediction market contracts tied to event outcomes.

## Cosponsors (3)

- Sen. Young, Todd [R-IN] (R-IN), 2026-03-25T00:00:00.000Z
- Sen. Schiff, Adam B. [D-CA] (D-CA), 2026-03-25T00:00:00.000Z
- Sen. Curtis, John R. [R-UT] (R-UT), 2026-03-25T00:00:00.000Z

## Provisions PRIA read

- Large fines for illegal prediction trades: cost, high. If enacted, this bill would allow a fine against any covered individual who violates the trading ban. The fine would equal the larger of $500 or twice the profit realized from the covered prediction market transaction. Money collected from fines would be deposited into the Treasury's miscellaneous…
- New trading ban for officials: cost, medium. If you are a covered individual, this bill would bar you from using material nonpublic information from your job to trade in prediction market contracts. You would have to report any covered trade worth more than $250 within 30 days after you get notice of the trade. The report would need the contr…
- Ethics offices must implement rules: mixed, medium. This bill would require each supervising ethics office to finish four tasks within 180 days after enactment. They would impose and collect the fines, create procedures and standard forms, issue rules and guidelines in consultation with the Commodity Futures Trading Commission, and post all procedur…
- Which officials and contracts are covered: mixed, low. This bill would define who is a "covered individual" and what counts as a covered prediction market contract. Covered individuals would include the President, Vice President, Members of Congress, certain House and Senate staff, political appointees, and federal agency employees. "Material nonpublic…

## Related bills

- 119-s-1541: SHIPS for America Act of 2025
- 119-s-1748: Kids Online Safety Act
- 119-s-1241: Sanctioning Russia Act of 2025
- 119-s-199: A bill to amend the Internal Revenue Code of 1986 to provide special rules for the taxation of certain residents of Taiwan with income from sources within the…
- 119-s-4429: Connected Vehicle Security Act of 2026
- 119-s-1289: 25th Anniversary of 9/11 Commemorative Coin Act

## Sources
- [119-s-4188 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/4188)

## Related
- [119-s-1541: SHIPS for America Act of 2025](https://policyrisk.com/legislation/119-s-1541)
- [119-s-1748: Kids Online Safety Act](https://policyrisk.com/legislation/119-s-1748)
- [119-s-1241: Sanctioning Russia Act of 2025](https://policyrisk.com/legislation/119-s-1241)
- [119-s-199: A bill to amend the Internal Revenue Code of 1986 to provide special rules for…](https://policyrisk.com/legislation/119-s-199)
- [119-s-4429: Connected Vehicle Security Act of 2026](https://policyrisk.com/legislation/119-s-4429)
- [119-s-1289: 25th Anniversary of 9/11 Commemorative Coin Act](https://policyrisk.com/legislation/119-s-1289)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-4188 (as of 2026-04-25).