Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing the correct time periods for data analysis.

The takeaway is clear: While smaller-cap stocks that don’t qualify for index inclusion (grey dots on the left) have a wider spread in their short interest, there appears to be a “floor” of 1% short ...

Abstract: We demonstrate a surrounding refractive index (SRI) sensor based on helical long-period fiber grating inscribed in Y-shaped triangular core fiber. The maximum SRI sensitivity is −9026 nm/RIU ...