S. 2127 (119th)Bill Overview

Wall Street Tax Act of 2025

Taxation|Taxation
Cosponsors
Support
Democratic
Introduced
Jun 18, 2025
Discussions
Bill Text
Current stageCommittee

Read twice and referred to the Committee on Finance.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill (Wall Street Tax Act of 2025) creates a new federal tax on certain trading transactions in securities and derivatives (new chapter 36C of the Internal Revenue Code). The tax is levied as a percentage of the transaction value (fair market value for securities; payment amount for derivatives), phased in from 0.02% (2026) to 0.1% (2029 and after).

Why people may split

Revenue vs. market harm: Liberals emphasize revenue and curbing speculation; conservatives emphasize harm to liquidity and investors.

Watch point

Relative to its intended legislative type, this bill is a well-specified statutory vehicle to create a new tax on trading transactions: it defines the tax, base, rates, scope, payer responsibilities, and integrates with existing IRC provisions while delegating detailed implementation and anti-avoidance mechanics to Treasury regulations.

This bill (Wall Street Tax Act of 2025) creates a new federal tax on certain trading transactions in securities and derivatives (new chapter 36C of the Internal Revenue Code).

The tax is levied as a percentage of the transaction value (fair market value for securities; payment amount for derivatives), phased in from 0.02% (2026) to 0.1% (2029 and after).

It applies to purchases that occur on or are subject to the rules of U.S. exchanges or involve U.S. persons, with the exchange or broker generally responsible for remitting the tax; certain initial issuances and limited short-term debt are excluded.

Passage20/100

On content alone the bill is ambitious and impactful: a new broad financial transaction tax with complex definitions and cross-border reach. Historically, proposals that impose new broad taxes on financial transactions face concentrated industry opposition, require detailed regulatory implementation, and struggle to attract bipartisan support; while phased implementation and some carve-outs moderate impact, they are unlikely to offset core objections. As a result, the bill appears unlikely to become law unless substantially amended, packaged with offsetting concessions, or accompanied by unusual political conditions not evident from the text.

CredibilityPartially aligned

Relative to its intended legislative type, this bill is a well-specified statutory vehicle to create a new tax on trading transactions: it defines the tax, base, rates, scope, payer responsibilities, and integrates with existing IRC provisions while delegating detailed implementation and anti-avoidance mechanics to Treasury regulations.

Contention68/100

Revenue vs. market harm: Liberals emphasize revenue and curbing speculation; conservatives emphasize harm to liquidity and investors.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agenciesLikely burdened

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Federal agenciesWill generate federal revenue from a broad base of financial transactions, providing a new and recurring source of fund…
  • Potential benefitIs likely to reduce very short-term and high-frequency speculative trading by increasing per-transaction costs, which s…
  • Potential benefitShifts at least part of the cost of financial activity onto market participants (exchanges, brokers, and traders) rathe…
Likely burdened
  • Potential burdenIncreases per-trade costs that can reduce liquidity, widen bid-ask spreads, and lower trading volumes, potentially rais…
  • Potential burdenCreates compliance, reporting, and administrative burdens for exchanges, brokers, and firms (including cross-border and…
  • Potential burdenMay incentivize migration of trading activity offshore or to instruments/markets not captured by the statute, reducing…
03 · Why people split

Why the argument around this bill splits.

Revenue vs. market harm: Liberals emphasize revenue and curbing speculation; conservatives emphasize harm to liquidity and investors.
Progressive80%

This persona would likely view the bill positively as a modest financial transaction tax aimed at making the financial sector contribute more to federal revenues and discouraging high-frequency or speculative trading.

They would see the phased-in, small percentage rates as politically and administratively practical while still generating meaningful revenue if trading volumes remain high.

They would welcome the broad coverage (stocks, many forms of debt, and derivatives) as preventing easy loopholes.

Leans supportive
Centrist55%

This persona would take a cautious, pragmatic view: the tax could raise revenue and address some market behaviors, but the design and economic consequences merit careful review.

They would be attentive to potential impacts on liquidity, trading costs for pension funds and corporations, and relocation of trading activity offshore.

Thus they would neither embrace the bill wholeheartedly nor reject it outright; instead they would want empirical analysis (CBO/JCT scoring) and implementation details, plus possible technical fixes.

Split reaction
Conservative15%

This persona would likely oppose the bill as harmful government intervention that increases costs for capital markets, risks driving trading activity offshore, and burdens investors and businesses.

They would emphasize that even a small percentage per transaction raises trading costs that ultimately reduce returns for savers, raise capital costs for firms, and impair market liquidity and price discovery.

They would also be concerned about expanded IRS administrative authority, broad derivative definitions, and potential unintended effects on normal commercial finance.

Likely resistant
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood20/100

On content alone the bill is ambitious and impactful: a new broad financial transaction tax with complex definitions and cross-border reach. Historically, proposals that impose new broad taxes on financial transactions face concentrated industry opposition, require detailed regulatory implementation, and struggle to attract bipartisan support; while phased implementation and some carve-outs moderate impact, they are unlikely to offset core objections. As a result, the bill appears unlikely to become law unless substantially amended, packaged with offsetting concessions, or accompanied by unusual political conditions not evident from the text.

Scope and complexity
86%
Scopesweeping
86%
Complexityhigh
Why this could stall
  • No cost estimate or revenue projection is included in the text; the magnitude of projected revenue and distributional impacts are unknown and would materially affect political support.
  • Economic and market effects (trading volume changes, spreads, impacts on liquidity and retirement accounts) are not quantified in the bill and would shape stakeholder responses and legislative appetite.
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Revenue vs. market harm: Liberals emphasize revenue and curbing speculation; conservatives emphasize harm to liquidity and investors.

On content alone the bill is ambitious and impactful: a new broad financial transaction tax with complex definitions and cross-border reach…

Unlocked analysis

Relative to its intended legislative type, this bill is a well-specified statutory vehicle to create a new tax on trading transactions: it defines the tax, base, rates, scope, payer responsibilities, and integrates with…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis