Experience (abbreviated “X”)

Used in terms like “Customer Experience (CX)” and “User Experience (UX)”

UX or Marketing

X-Day

Key day for a significant business launch, event, or decision

Strategy or Operations

X-Div (Ex-Dividend Date)

Date after which a stock is traded without the right to receive the next dividend

Finance or Investment

X-Factor

Unique quality or advantage that sets a business apart

Branding or Strategy

X-Value (Customer Experience Index)

Metric representing perceived value or satisfaction by customers

Marketing or Analytics

X-efficiency

Degree of efficiency maintained by a firm under competitive pressure

Economics or Strategy

XBRL (eXtensible Business Reporting Language)

XML-based language for communicating financial data between businesses and regulators

Finance or Accounting

XaaS (Anything as a Service)

Umbrella term for cloud-based services like SaaS, IaaS, PaaS, etc.

Tech or Business Model

Xenocurrency

Currency traded outside its home country (e.g., Euro traded in Japan)

Finance or Forex