Trading card grading volume peaked with a record 3.5 million cards holdered by the major authenticators in June. According to graded card tracker GemRate, June’s total easily passed the previous single-month high of 3.1 million cards behind record output from Professional Sports Authenticator (PSA), Certified Guarantee Company (CGC), Beckett (BGS) and TAG as the grading companies struggle to keep up with historic demand for their services. The high-end sports card market continued to thrive in June with four cards topping $1 million or more at public auction, including auction records for NBA stars LeBron James and Shai Gilgeous-Alexander.Here’s an overview of what happened across the hobby throughout the month of June.Top sports card sales in June
2003-04 Upper Deck Exquisite Collection LeBron James Rookie Patch Autograph /23 BGS 9.5/Auto 10: $2,928,000
2018 Topps Chrome Shohei Ohtani Superfractor 1/1 BGS 9.5: $2,562,000
1952 Topps Mickey Mantle PSA 8: $1,830,000
2025-26 Topps Chrome Shai Gilgeous-Alexander Gold Logoman Autograph 1/1: $1,061,000
