Inventory Spike Alerts — New Sports Card Listings Rising — April 16, 2026
Fresh inventory is flooding markets across rookie quarterbacks and vintage legends, with Jayden Daniels and Caleb Williams leading 50%+ supply increases that coincide with double-digit price declines. The pattern extends to established names like Wilt Chamberlain and Walter Payton, where significant new supply emergence suggests collectors may be capitalizing on recent strength to liquidate positions.
Today’s inventory spike alerts reveal divergent collector behavior across player categories, with rookie quarterbacks Jayden Daniels and Caleb Williams showing classic liquidation patterns — both cards down 6-11% as new inventory surged above 47%. The data signals particular caution around legendary players like Wilt Chamberlain and Walter Payton, where 45%+ inventory spikes paired with declining prices suggest collectors are testing market depth at current levels. Meanwhile, Josh Allen’s unusual combination of 28% price gains alongside a 35% inventory spike indicates either profit-taking from long-term holders or new supply entering during strength — a pattern worth monitoring closely given his peak heat score of 85.
| Player | New Inventory | Price Change | Heat Score |
|---|---|---|---|
| Jayden Daniels | +50.7% | -11.1% | 62 |
| Caleb Williams | +47.6% | -6.4% | 58 |
| Wilt Chamberlain | +46.3% | -3.8% | 46 |
| Walter Payton | +45.1% | -7.7% | 32 |
| Babe Ruth | +44.4% | +0.0% | 53 |
| Jordan Love | +38.2% | +1.5% | 52 |
| Bryce Young | +36.6% | +5.2% | 55 |
| Josh Allen | +35.4% | +28.0% | 85 |
| Jalen Hurts | +35.1% | +0.0% | 66 |
| Mike Trout | +31.2% | +19.9% | 62 |
| Justin Jefferson | +28.6% | +0.0% | 54 |
| Trevor Lawrence | +28.5% | -7.9% | 33 |
| Justin Herbert | +28.4% | -0.1% | 66 |
| Drake Maye | +24.6% | -10.0% | 53 |
| Bobby Witt Jr. | +22.9% | -24.5% | 36 |
| LeBron James | +20.1% | +7.6% | 53 |
| Mickey Mantle | +20.0% | +0.0% | 54 |
| Michael Jordan | +14.8% | -20.0% | 40 |
| Shai Gilgeous-Alexander | +11.6% | +9.9% | 55 |
| C. J. Stroud | +10.7% | +5.1% | 54 |
Featured players: Josh Allen, Hank Aaron, Sandy Koufax