X
X12 - uniform standard for interindustry electronic interchange of business transactions
XAM - AMEX Market Value Index (American Stock Exchange average of value stocks)
XAX - AMEX Composite Index (American Stock Exchange market capitalization-weighted price appreciation stock index based on value relative to a base level as of December 1995)
XBRL - Extensible Business Reporting Language (an XML-based framework which provides additional reporting capabilities for the financial community)
XHTML - Extensible Hypertext Markup Language (version of HTML introduced in 2000 - replaced by HTML5)
XMI - AMEX Major Market Index (American Stock Exchange price-weighted average index of Blue Chip industrial stocks)
XML - Extensible Markup Language (a generic language of the World Wide Web Consortium (W3C) for creating new markup languages)
Y
YLD - yield (return on an investor's capital investment)
YTB - yield to broker
YTC - yield to call (yield on a bond assuming the bond will be redeemed by the issuer at the first call date specified in the indenture agreement)
YTD - year-to-date (period from the beginning of the calendar year to the reporting date)
YTM - yield to maturity (rate of return expected on a long-term, interest-bearing investment, such as a bond, assuming it is held to its maturity date)
Z
ZBA - zero-bracket amount (income automatically not subject to federal income tax for taxpayers choosing not to itemize deductions - the 1986 Act replaced the zero-bracket amount with an increased standard deduction)
ZBB - Zero-Based Budgeting (budgeting method which requires managers to justify all expenditures when preparing new budgets - budget lines are re-set to zero - rather than relying on prior budget figures)
ZR - Zero Coupon Issue/Security (security that makes no periodic interest payments but instead is sold at a deep discount from its face value)