Ultra Vires Act * Unbiased Estimators * Unbundled Stock Units (USUs) * Uncovered Interest Arbitrage * Uncovered Writer * Undated Forward * Underlying * Underlying Equivalent * Underlying Tenor Period * Undertaking for Collective Investment in Transfera * Underwriter * Underwriting of Securities * Uniform Acts * Uniform Distribution * Unilateral Margin Agreement * Unit * Unit Trust * United Currency Options Market (UCOM) * Universal Hedge * Unlisted * Unlisted Trading Privileges * Unmargined Spread * Unmatched Swap * Unrealized Loss * Unrelated Business Income Tax (UBIT) * Unsystematic Risk * Unwinding Risk * Up-and-Away Option * Up-and-In Option * Up-and-Out Call * Up-and-Out Put * Up-Front Payment * Upside Call * Upside Capture * Up-Tick Rule * Useable Security * Usury * Utility * Utility Theory