Factors That Influence Card Value
The key variables that move card prices: condition, player trajectory, rookie card classifications, low-numbered parallels, position premiums, and breaking news events.
A. Condition: The Foundation of Everything
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B. Player Trajectory Index — Career & Life Events
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C. Rookie Cards: First-Year vs. Prospect vs. Collegiate
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D. Low-Numbered Parallels and the 1/1 Premium
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E. Position Premiums — QBs, PGs, Aces & Why They Cost More
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F. The Impact of Injuries, Trades & Public Perception
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