Annualized volatility is calculated as standard deviation times square root of periods ... so the time period will be 12 times a year.) The chart below shows the monthly returns for two stocks.

In a look ahead at a week of Cambridge and Somerville events, there’s a Viva Central Block Party, Rhythm N’ Spice Hot Sauce ...

We are thrilled to introduce the judges for American Songwriter’s 2025 Song Contest! This year’s panel features a diverse ...

Professional astrologer Steph Koyfman reads your monthly horoscope—and spells out how it may shape your travels.

When the mainstream catches wind, you know something’s bubbling. But it’s more than nostalgia driving this. The new wave of ...

Waitsburg is the small town that time almost forgot, but thankfully remembered to preserve. This tiny treasure in eastern ...

And this year, the fifth of May is filled with mathematical joy. It is — Square Root Day! It all started in 1981. "I was writing a check in late August," says Ron Gordon, who originated bringing ...

Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one. Be square and get to the root of it! Celebrate Square Root Day today!

Square announced new Square Banking tools that give sellers instant access to their cash flow and free, easier ways to manage their earnings. Today, business owners can conveniently sign up for a ...

The Department of the Air Force’s process for determining if airmen and Space Force guardians should receive medical waivers for shaving is about as indecipherable as the infamous flow chart ...

Syracuse Mayor Ben Walsh turned on the tap today, restoring water flow to the Franklin Square fountain. In remarks made at a ribbon cutting ceremony under overcast skies, Walsh said the fountain ...