A whopping 300 percent.
The market value for the English 2016 Pokemon Trading Card Game BREAKpoint 31 Greninja BREAK card has skyrocketed over the past few months.
That card was selling for less than $2 in May 2017, and now it's selling for about $8 in August 2017. An increase of 300 percent!
The increase in value is linked to that series being out of print as of June 2017 (unofficial announcement).
Question: Will the market value for that card continue to increase, or drop in the near future? Post your predictions in the comments below.