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🩹 MLB IL
Shohei Ohtani 15D 71 Rafael Devers 60D 57 Carlos Correa 60D 55 Trey Yesavage 15D 55 Justin Verlander 60D 53 Full tracker →
Live player + card market intelligence

Track Players.
Know the Market.

CardViper monitors 16,356 players across 5 sports and scores their card market heat daily — so you always know which players are worth chasing before the market moves.

16,356Players tracked
362Teams indexed
55KMonthly visitors
920KTotal visitors
🔥 Top heat scores right now Full leaderboard →
1
JA
Josh Allen
Buffalo Bills · QB
FOOTBALL
82 2
PM
Patrick Mahomes
Kansas City Chiefs · QB
FOOTBALL
79 3
CW
Caleb Williams
Chicago Bears · QB
FOOTBALL
78 4
TL
Trevor Lawrence
Jacksonville Jaguars · QB
FOOTBALL
78 5
BY
Bryce Young
Carolina Panthers · QB
FOOTBALL
78 6
JD
Jaxson Dart
New York Giants · QB
FOOTBALL
78
CardViper markets

Explore card markets

Choose a market for live searches, collector tools, trends, and focused eBay listings.

Sports Cards

MLB Prospects, injuries, team heat, and baseball card searches. Open hub → NFL Rookie QBs, weekly movers, team demand, and football card searches. Open hub → NBA Scorers, young stars, market movers, and basketball card searches. Open hub → NHL Young Guns, goalies, skaters, and hockey card searches. Open hub → Soccer Global rookies, club momentum, and soccer card searches. Open hub →

Trading Card Games

NEW Pokemon Characters, classic sets, sealed products, graded cards, and live collector searches. Explore Pokemon →
New collector section

Step into the Vintage Vault

Explore retired stars, Hall of Famers, pre-war cards, vintage Bowman, graded classics, and era-based eBay searches built for older cardboard.

Open Baseball Vintage Baseball Vintage
Step 01
👤
We track the player
Stats, news, injuries, performance, and social buzz are monitored 24/7 across 16,356 players in MLB, NBA, NFL, NHL, and MLS.
Step 02
📊
We score the heat
A real-time Heat Score (0–100) reflects how much market activity surrounds a player — spikes in news, eBay volume, and search demand all factor in.
Step 03
💰
You find the value
Jump straight to live eBay auctions filtered by sport and player, sorted by what's hottest — buy at the right time, every time.
Players driving the market
Highest heat scores today — their cards are moving on eBay right now
Open all trends →
JA
Josh Allen
Buffalo Bills · QB · FOOTBALL
Heat Score 82
View Player → Find Comps
PM
Patrick Mahomes
Kansas City Chiefs · QB · FOOTBALL
Heat Score 79
View Player → Find Comps
CW
Caleb Williams
Chicago Bears · QB · FOOTBALL
Heat Score 78
View Player → Find Comps
TL
Trevor Lawrence
Jacksonville Jaguars · QB · FOOTBALL
Heat Score 78
View Player → Find Comps

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Why PSA Grading Still Wins

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Sep 18, 2026 Read More →