Learn about semivariance, a key metric for assessing a portfolio’s downside risk. Understand its formula and how to calculate potential negative variations below the mean.

Discover how to calculate covariance to assess stock relationships and optimize your portfolio, balancing risk and potential ...

Bitcoin is trading 45% below its long-run trend, suggesting structural undervaluation rather than euphoric excess. A Z-score ...

A new album from Ye, the artist formerly known as Kanye West, is set to arrive on March 20. The rapper has inked a partnership deal with the independent music company Gamma for the release of Bully, ...

I'm in this one with all of you. I didn't get a pair of Air Jordan 11 'Gammas' either. Like many of you, I'm also on the hunt for a pair or two. I've been making calls, researching and sending e-mails ...

The 2025 "Gamma" Air Jordan 11 retro dropped this past weekend and had sneaker fans lining up across the country to try and get their hands on a pair, but just exactly how big was the release?

The Air Jordan 11 "Gamma Blue" quickly sold out on release day. Restocks are expected before Christmas; alerts and quick action are crucial. Resell prices range from $324 to $525, about $100–$150 over ...

Wow, it looks like the 2025 sneaker year isn’t over yet. While overall this has been the weakest year of this decade for sneaker releases (blame an oversaturated market, the economy, and a shift in ...

A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...