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  2. Gross spread - Wikipedia

    en.wikipedia.org/wiki/Gross_spread

    The gross spread for an initial public offering (IPO) can be higher than 10% while the gross spread on a debt offering can be as low as 0.05%. For example, if a company sells $100 million of shares in an IPO and the gross spread is 7%, the underwriting syndicate will receive fees of $7 million.

  3. Z-spread - Wikipedia

    en.wikipedia.org/wiki/Z-spread

    The Z-spread of a bond is the number of basis points (bp, or 0.01%) that one needs to add to the Treasury yield curve (or technically to Treasury forward rates) so that the Net present value of the bond cash flows (using the adjusted yield curve) equals the market price of the bond (including accrued interest). The spread is calculated iteratively.

  4. Optical transfer function - Wikipedia

    en.wikipedia.org/wiki/Optical_transfer_function

    Calculation of the optical transfer function via the point spread function is versatile as it can fully characterize optics with spatial varying and chromatic aberrations by repeating the procedure for various positions and wavelength spectra of the point source.

  5. I-spread - Wikipedia

    en.wikipedia.org/wiki/I-spread

    The Interpolated Spread, I-spread or ISPRD of a bond is the difference between its yield to maturity and the linearly interpolated yield for the same maturity on an appropriate reference yield curve. The reference curve may refer to government debt securities or interest rate swaps or other benchmark instruments, and should always be explicitly ...

  6. Interquartile range - Wikipedia

    en.wikipedia.org/wiki/Interquartile_range

    The IQR may also be called the midspread, middle 50%, fourth spread, or H‑spread. It is defined as the difference between the 75th and 25th percentiles of the data. [ 2 ] [ 3 ] [ 4 ] To calculate the IQR, the data set is divided into quartiles , or four rank-ordered even parts via linear interpolation. [ 1 ]

  7. Option-adjusted spread - Wikipedia

    en.wikipedia.org/wiki/Option-adjusted_spread

    For an MBS, the word "option" in option-adjusted spread relates primarily to the right of property owners, whose mortgages back the security, to prepay the mortgage amount. Since mortgage borrowers will tend to exercise this right when it is favourable for them and unfavourable for the bond-holder, buying an MBS implicitly involves selling an ...

  8. Colony-forming unit - Wikipedia

    en.wikipedia.org/wiki/Colony-forming_unit

    The spread plate method wherein the sample (in a small volume) is spread across the surface of a nutrient agar plate and allowed to dry before incubation for counting. [11] The membrane filter method wherein the sample is filtered through a membrane filter, then the filter placed on the surface of a nutrient agar plate.

  9. Spark spread - Wikipedia

    en.wikipedia.org/wiki/Spark_spread

    Clean dark spread or "dark green spread" refers to an analogous indicator for coal-fired generation of electricity. The spark green spread and the dark green spread are especially important in areas where coal-fired electricity generation is prevalent as the convergence of the spreads will lead to an important decision point.