A penny stock refers to a small company's stock that typically trades for less than $5 per share. In sports cards, a possible equivalent of a penny stock is a relatively cheap under the radar player who's cards put you in a bad financial position if they never play again.

Daniel Gafford has had a very solid 5 year career as a backup big man but not spoken about much just due to being on horrid Wizards and Bulls teams. Gafford got traded to the Mavericks at the deadline and is now playing for a contender with two lob friendly guards.

Gafford's market over the last month has gone up 211% in part to his stellar play and Mavericks winning games. In the last month, he is averaging 15 points, 8 rebounds, and 2 blocks in 24 minutes on 87% FG. While his market uptick won't change your retirement plans, his Prizm 2019 Silver PSA 10 rookie went from $15 to $30 in the last 2 weeks.

Josh Hart is one of the rare players who gives his all every game and is not afraid to play every minute. Knick fans love players who reflect the cities grit and grind, someone who isn't afraid to get their hands dirty. Over the last 17 games, Hart has played 42 minutes per game.

Another guy who's market has gone up over the last month, with a 107% rate of growth. His Prizm base card rookies have doubled over the last month.