AppraisrAppraisr
Accuracy

How accurate is the CLONE X model?

Every estimate is benchmarked against real sales the model never trained on (a seeded 80/20 hold-out).

Median accuracy
89.0%
Mean accuracy
83.3%
Within ±5%
27%
Within ±10%
47%
Within ±20%
73%
Bias
+8.0%

Weekly median accuracy

Hold-out accuracy by week

Error distribution

Signed % error on recent sales (0 = perfect)

Recent sales vs model

The 60 most recent sales, each valued as of its sale date

ItemDNADateSaleModelErrorAccuracy
#10559HumanJun 17, 20260.347Ξ0.315Ξ+10.0%90.0%
#17014HumanJun 17, 20260.285Ξ0.285Ξ0.0%100.0%
#2906RobotJun 17, 20260.450Ξ0.288Ξ+56.2%43.8%
#8155HumanJun 17, 20260.285Ξ0.284Ξ+0.2%99.8%
#19479HumanJun 16, 20260.274Ξ0.287Ξ-4.4%95.6%
#4091HumanJun 16, 20260.274Ξ0.293Ξ-6.4%93.6%
#11144RobotJun 16, 20260.273Ξ0.277Ξ-1.3%98.7%
#13080HumanJun 16, 20260.273Ξ0.276Ξ-1.1%99.0%
#9546RobotJun 16, 20260.273Ξ0.296Ξ-7.7%92.3%
#2700RobotJun 16, 20260.274Ξ0.306Ξ-10.5%89.5%
#13193RobotJun 16, 20260.273Ξ0.262Ξ+4.2%95.8%
#17014HumanJun 16, 20260.272Ξ0.285Ξ-4.5%95.5%
#17016AngelJun 16, 20260.321Ξ0.333Ξ-3.5%96.5%
#8155HumanJun 16, 20260.275Ξ0.284Ξ-3.3%96.7%
#7216HumanJun 15, 20260.276Ξ0.294Ξ-6.2%93.8%
#17576HumanJun 15, 20260.276Ξ0.279Ξ-1.1%99.0%
#9243RobotJun 15, 20260.300Ξ0.301Ξ-0.3%99.7%
#7594RobotJun 15, 20260.325Ξ0.315Ξ+3.1%96.9%
#852RobotJun 15, 20260.310Ξ0.340Ξ-8.9%91.1%
#4376HumanJun 15, 20260.310Ξ0.294Ξ+5.6%94.4%
#3477RobotJun 15, 20260.320Ξ0.292Ξ+9.6%90.4%
#1734HumanJun 15, 20260.330Ξ0.354Ξ-6.7%93.3%
#5238RobotJun 15, 20260.300Ξ0.329Ξ-8.8%91.3%
#3151RobotJun 14, 20260.287Ξ0.303Ξ-5.2%94.8%
#1709RobotJun 14, 20260.285Ξ0.282Ξ+1.2%98.8%
#1184RobotJun 14, 20260.286Ξ0.295Ξ-3.1%97.0%
#3951HumanJun 14, 20260.301Ξ0.312Ξ-3.5%96.5%
#11287HumanJun 14, 20260.288Ξ0.291Ξ-1.0%99.0%
#18778HumanJun 14, 20260.298Ξ0.294Ξ+1.5%98.5%
#11409HumanJun 14, 20260.284Ξ0.285Ξ-0.3%99.8%
#15620HumanJun 14, 20260.300Ξ0.303Ξ-0.9%99.2%
#5601HumanJun 14, 20260.285Ξ0.287Ξ-0.8%99.2%
#19502AngelJun 14, 20260.390Ξ0.313Ξ+24.6%75.4%
#12997HumanJun 14, 20260.274Ξ0.284Ξ-3.5%96.6%
#18778HumanJun 14, 20260.277Ξ0.294Ξ-5.7%94.3%
#7856RobotJun 14, 20260.285Ξ0.301Ξ-5.2%94.8%
#12711UndeadJun 13, 20261.550Ξ0.698Ξ+122.0%-22.0%
#5929HumanJun 13, 20260.279Ξ0.280Ξ-0.2%99.8%
#6073HumanJun 13, 20260.280Ξ0.295Ξ-5.2%94.8%
#12054RobotJun 13, 20260.279Ξ0.304Ξ-8.3%91.8%

Method details on the methodology page.