| ID | Punk | Sold for | Predicted | Error % | Date | Buyer | Seller |
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| Buyer | Number of Buys | Mean Bias Positive = model overpredicts; Negative = model underpredicts | Median Bias Positive = model overpredicts; Negative = model underpredicts | FMV Surplus (Ξ) Sum over buys of (Predicted − Sold). Positive = bought below model fair value; Negative = overpaid vs model. |
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| Seller | Number of Sales | Mean Bias Positive = model overpredicts; Negative = model underpredicts | Median Bias Positive = model overpredicts; Negative = model underpredicts | FMV Surplus (Ξ) Sum over sales of (Sold − Predicted). Positive = sold above model fair value; Negative = sold below model. |
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