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S. 4188

U.S. SenateIn Senate Committee

Summary

S. 4188, the Public Integrity in Financial Prediction Markets Act of 2026, was introduced in the Senate on Mar 25, 2026 by Sen. Elissa Slotkin (D) with 3 co-sponsors. It was referred to Homeland Security And Governmental Affairs, and last saw action on Mar 25, 2026: Read twice and referred to the Committee on Homeland Security and Governmental Affairs.


Record

Text

S. 4188 has 3 co-sponsors.

sb4188/introduced-in-senate.txt
119 S4188 IS: Public Integrity in Financial Prediction Markets Act of 2026
U.S. Senate
2026-03-25
text/xml
EN
Pursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.
II 119th CONGRESS 2d Session S. 4188 IN THE SENATE OF THE UNITED STATES March 25, 2026 Ms. Slotkin (for herself, Mr. Young , Mr. Schiff , and Mr. Curtis ) introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs A BILL
To prohibit a covered individual from engaging in covered transactions involving prediction market contracts, and for other purposes.
1.
Short title
This Act may be cited as the Public Integrity in Financial Prediction Markets Act of 2026 .
2.
Prohibition on covered transactions involving prediction market contracts
(a)
In general
Chapter 131 of title 5, United States Code, is amended by adding at the end the following:
IV
Prohibited covered transactions involving prediction market contracts
13151.
Definitions
In this subchapter:
(1)
Covered individual
The term covered individual means—
(A)
the President;
(B)
the Vice President;
(C)
a Member of Congress;
(D)
a House of Representatives or Senate employee;
(E)
a political appointee; or
(F)
an employee of an Executive agency or independent regulatory agency.
(2)
Covered transaction
The term covered transaction means the purchase, sale, or exchange of any prediction market contract.
(3)
Executive agency
The term Executive agency has the meaning given the term in section 105 of title 5.
(4)
House of Representatives or Senate employee
The term House of Representatives or Senate employee —
(A)
means an employee of the Federal Government whose pay is disbursed by the Secretary of the Senate or the Chief Administrative Officer of the House of Representatives; and
(B)
does not include an employee described in subparagraph (A) who is serving under a temporary or term appointment.
(5)
Independent regulatory agency
The term independent regulatory agency has the meaning given the term in section 3502 of title 44.
(6)
Material nonpublic information
The term material nonpublic information means information—
(A)
that a reasonable investor would consider important in making a decision relating to a prediction market contract; and
(B)
that is not publicly available.
(7)
Member of Congress; supervising ethics office
The terms Member of Congress and supervising ethics office have the meanings given those terms in section 13101.
(8)
Political appointee
The term political appointee has the meaning given the term in section 106(f)(5) of title 49.
(9)
Prediction market contract
The term prediction market contract means any financial instrument, contract, or derivative—
(A)
listed on or offered by a platform, regardless of whether the platform is domiciled in the United States; and
(B)
tied to the occurrence or non-occurrence of an event, including event contracts, as described in section 5c(c)(5)(C)(i) of the Commodity Exchange Act ( 7 U.S.C. 7a–2(c)(5)(C)(i) ).
13152.
Prohibition
No covered individual may use material nonpublic information derived from the position of the covered individual as President, Vice President, a Member of Congress, a House of Representatives or Senate employee, a political appointee, or an employee of an Executive agency or independent regulatory agency or gained from the performance of the official responsibilities of the covered individual as a means for making a profit through a covered transaction.
13153.
Penalties
(a)
In general
Notwithstanding any other provision of law, including any regulation, a covered individual who violates section 13152 shall be assessed a fine not to exceed the greater of—
(1)
$500; or
(2)
an amount equal to double the profit made by the covered individual through the applicable covered transaction.
(b)
Deposit in Treasury
The fines paid under subsection (a) shall be deposited in the miscellaneous receipts of the Treasury.
13154.
Duties of supervising ethics offices
Not later than 180 days after the date of enactment of the Public Integrity in Financial Prediction Markets Act of 2026 , each supervising ethics office shall—
(a)
impose and collect penalties in accordance with section 13153;
(b)
establish such procedures and standard forms as the supervising ethics office determines appropriate to implement this subchapter;
(c)
in consultation with the Commodity Futures Trading Commission, issue such rules and guidelines as the supervising ethics office determines appropriate for the implementation and application of this subchapter; and
(d)
publish on a website all procedures, forms, rules, and guidelines described in this section.
13155.
Reports
Not later than 30 days after receiving notification of any covered transaction the value of which is more than $250 and to which the covered individual is a party, the covered individual shall submit to the applicable supervising ethics office a report describing the covered transaction, which shall include—
(1)
the value of the prediction market contract, including the purchase price and number of prediction market contracts purchased;
(2)
the date and time of the covered transaction;
(3)
the name of the prediction market contract and the position taken on the prediction market contract;
(4)
the prediction market contract trading platform used to complete the covered transaction; and
(5)
the profit or loss of the covered transaction after the prediction market contract closes, or the covered individual exits the position, provided that if the prediction market contract is not closed on the date on which the report under this section is submitted, an additional report shall be submitted not later than 30 days after the date on which the prediction market contract closes or the covered individual exits the position.
.
(b)
Clerical amendment
The table of sections for chapter 131 of title 5, United States Code, is amended by adding at the end the following:
SUBCHAPTER IV—Prohibited covered transactions involving prediction market contracts
13151. Definitions.
13152. Prohibition.
13153. Penalties.
13154. Duties of supervising ethics offices.
13155. Reports.
.

Tracker

The tracker indicates the progress of this legislation as it moves through the legislative process.

  1. Introduced2026-03-25
  2. Passed Senate
  3. Passed House
  4. Conference
  5. To President
  6. Became Law

A bill to prohibit a covered individual from engaging in covered transactions involving prediction market contracts, and for other purposes.

Sponsors

Sen. Elissa Slotkin (D) sponsors S. 4188, and 3 members have co-sponsored it, all of them from the day it was introduced.

Committees

S. 4188 went before 1 committee: Homeland Security and Governmental Affairs.

Homeland Security and Governmental Affairs
Homeland Security and Governmental Affairs
Referred To · Mar 25, 2026 · 444 Bills

Actions

S. 4188 has taken 2 actions since Mar 25, 2026.

ChamberAction
Mar 25, 2026
Senate
Read twice and referred to the Committee on Homeland Security and Governmental Affairs.Homeland Security and Governmental Affairs Committee
Mar 25, 2026
Introduced in Senate

Votes

S. 4188 has not gone to a roll call.

Titles

S. 4188 goes by 3 titles, 1 of them short titles.

  • Public Integrity in Financial Prediction Markets Act of 2026 — Display Title
  • Public Integrity in Financial Prediction Markets Act of 2026 — Short Title(s) as Introduced
  • A bill to prohibit a covered individual from engaging in covered transactions involving prediction market contracts, and for other purposes. — Official Title as Introduced

Lobbying

2 clients hired 3 firms and 7 registered lobbyists who named S. 4188 in 5 quarterly filings, 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.

Filed under Taxation/Internal Revenue Code, Gaming/Gambling/Casino, Indian/Native American Affairs, Real Estate/Land Use/Conservation, Banking, Budget/Appropriations, Civil Rights/Civil Liberties, Defense.

Clients

Who paid to be heard, by how many filings named the bill.

ClientBusinessStateFirmsFilingsReported
BOYD GAMING CORPORATIONMulti-jursidictional gaming company.Nevada24$120K
TRANSPARENCY INTERNATIONAL U.S. (A PROJECT OF THE FUND FOR CONSTITUTIONAL GOVT)nonprofit organizationDistrict of Columbia11

Firms

Registrants who filed on the bill, by filings.

Lobbyists

Named on the filings that cite the bill.

Filings

The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.

ClientRegistrantPeriodReportedDocument
BOYD GAMING CORPORATIONTIBER CREEK GROUP2026 second_quarter$60K2nd Quarter - Report
BOYD GAMING CORPORATIONBOYD GAMING CORPORATION2026 second_quarter$60K2nd Quarter - Report
BOYD GAMING CORPORATIONBOYD GAMING CORPORATION2026 first_quarter$60K1st Quarter - Report
BOYD GAMING CORPORATIONTIBER CREEK GROUP2026 first_quarter$60K1st Quarter - Report
TRANSPARENCY INTERNATIONAL U.S. (A PROJECT OF THE FUND FOR CONSTITUTIONAL GOVT)TRANSPARENCY INTERNATIONAL U.S. (A PROJECT OF THE FUND FOR CONSTITUTIONAL GOVT)2026 second_quarter$40K2nd Quarter - Report

Classification

The Congressional Research Service files S. 4188 under Finance and Financial Sector, one of its 31 policy areas.

CRS Subjects

CRS assigns every bill one policy area from its 31; S. 4188’s is Finance and Financial Sector.

s4188/policy-areas.txt
Finance and Financial SectorAgriculture and FoodAnimalsArmed Forces and National SecurityArts, Culture, ReligionCivil Rights and Liberties, Minority IssuesCommerceCongressCrime and Law EnforcementEconomics and Public FinanceEducationEmergency ManagementEnergyEnvironmental ProtectionFamiliesForeign Trade and International FinanceGovernment Operations and PoliticsHealthHousing and Community DevelopmentImmigrationInternational AffairsLabor and EmploymentLawNative AmericansPublic Lands and Natural ResourcesScience, Technology, CommunicationsSocial WelfareSports and RecreationTaxationTransportation and Public WorksWater Resources Development

Source: congress.gov · legiscan.com