Popularity with the Commander crowd can certainly affect a card’s price, but not all Commander staples are created equal. Jason Alt looks at some key cards and explains which factors are the real determinants.

With the proliferation in recent years of casual-targeted products like Commander 2014, Corbin Hosler believes the rules about safe investments have changed. He explains what our new guidelines should be.

Sigmund has two related topics in this week’s article. First he explores the continuation of Standard’s downtrend, then he shifts focus towards Thoughtseize specifically, where he makes makes some interesting comparisons…

With his introductory article on Quiet Speculation, Derek explains why he believes #mtgfinance is a “solved format.”

Much has been made of the “Twoo effect,” but how prevalent is it? David Schumann assesses the concept by looking at a series of Travis Woo brews and the price curves of their signature cards.

Today Jason Alt addresses a much-touted spec for rotation, Prognostic Sphinx. He analyzes in detail the factors that will contribute to this card’s success or failure, and compares it to an old spec to gain more insight.

Theory can become problematic if applied too slavishly without proper analysis. Jason Alt dissects an example of an apparently enticing spec that may be less than sound.

Alexander Carl returns to the topic of common mistakes in MTGO speculation, and turns to the QS community to get some insight on how to avoid them.

Ignoring Magic’s price history is a surefire way to make mistakes when speculating. Danny Brown considers his Modern investments in this light, and applies lessons to next year’s Standard.

Alexander Carl takes a look at some common speculation mistakes and what we can learn from them to improve our returns.

Don’t you wish you could still make some money when your cards drop in price? With advanced trading tools such as options, you can. Sigmund describes an option trade he just completed and why it could be the start of something new.

The Modern market has been selling hard over the last couple months. So much so that Sigmund believes we are officially in Bear Market territory. This week he explains what this means for your portfolio and the significant changes he’s made to his.

Today Jason Alt covers some prominent reprints in M15. While their financial trajectory appears obvious at first glance, he believes some may defy expectations.