US SB2127

Imposes a financial transaction tax on purchases of stocks, bonds, partnership interests, and derivatives traded on U.S. exchanges or involving U.S. persons

Tax rate phases in over five years: 0.02% in 2026, increasing by 0.02% annually to reach 0.1% by 2030 and thereafter

Tax applies to the fair market value of securities at time of transaction, or the payment amount for derivatives

Exempts initial security issuances, short-term debt instruments (under 100 days), employee stock options, insurance/annuity contracts, and commodities used in normal business operations

Controlled foreign corporations are treated as U.S. persons for tax purposes, with U.S. shareholders responsible for paying the tax on direct transactions proportional to their ownership stake