IR

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IR or Ir may refer to:

Arts and entertainment[edit]

Businesses and organizations[edit]

Transportation[edit]

Other businesses and organizations[edit]

Finance[edit]

  • Incidence Rate, in market research
  • Interest rate, or (when referring to an asset class) interest rate derivative
  • Information ratio, when referring to risk-adjusted returns of a financial security
  • Investor relations, a management responsibility in which companies disclose information for regulatory compliance and for bond/share-holders to make investment judgments

Science and technology[edit]

Biology and medicine[edit]

Computing[edit]

Other uses in science and technology[edit]

Other uses[edit]

See also[edit]