As a longtime basketball card collector and investor, timing the market around the NBA Playoffs has always been a double-edged sword. A player’s postseason performance can send their card prices soaring — or crashing — depending on expectations, hype, and long-term stability. To help navigate this year’s playoffs, we’ve built a composite rating system using three weighted categories:

Basketball card collectors and investors are always searching for the next big thing. Two names generating the most buzz in recent years...

One of the defining characteristics of Panini Prizm is its ever-growing lineup of colorful and patterned parallels. While the original...