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Accuracy

How accurate is the CLONE X model?

Every score comes from the newest chronological hold-out; the target sale is excluded from training, comparables, and its causal floor proxy.

Median accuracy (100−APE)
93.1%
Mean accuracy (100−APE)
89.5%
Within ±5%
39%
Within ±10%
64%
Within ±20%
88%
Bias
-4.3%

Accuracy by market tier

Floor, middle-market, and grail sales are scored separately so aggregate accuracy cannot hide a weak segment

TierSalesMedian accuracyWithin ±10%Bias
floor194793.8%68%-3.6%
middle13077.2%17%-12.5%
grail5077.4%32%-8.9%

Weekly median accuracy

Chronological hold-out accuracy by sale week

Error distribution

Signed hold-out error; positive means over-predicted

Scored hold-out sales

60 out-of-sample predictions frozen at evaluation time

ItemDNATier / evidenceDateSaleModelErrorAccuracy
#16358Humanfloor · highSep 15, 20260.175Ξ0.210Ξ+20.0%80.0%
#13623Humanfloor · highSep 15, 20260.183Ξ0.213Ξ+16.4%83.6%
#542Robotfloor · lowSep 15, 20260.225Ξ0.228Ξ+1.3%98.7%
#13508Humanfloor · highSep 15, 20260.184Ξ0.237Ξ+28.8%71.2%
#2290Humanfloor · highSep 15, 20260.184Ξ0.218Ξ+18.5%81.5%
#4978Humanfloor · highSep 15, 20260.181Ξ0.240Ξ+32.6%67.4%
#148Humanfloor · highSep 15, 20260.178Ξ0.241Ξ+35.4%64.6%
#19046Humanfloor · highSep 15, 20260.186Ξ0.200Ξ+7.5%92.5%
#1037Demonfloor · lowSep 14, 20260.211Ξ0.198Ξ-6.2%93.8%
#1037Demonfloor · lowSep 14, 20260.197Ξ0.223Ξ+13.2%86.8%
#4920Angelfloor · lowSep 14, 20260.220Ξ0.239Ξ+8.6%91.4%
#18018Robotfloor · lowSep 14, 20260.190Ξ0.201Ξ+5.8%94.2%
#12474Humanfloor · highSep 14, 20260.191Ξ0.219Ξ+14.7%85.3%
#4263Humanmiddle · highSep 14, 20260.400Ξ0.360Ξ-10.0%90.0%
#15940Demonfloor · lowSep 13, 20260.217Ξ0.201Ξ-7.4%92.6%
#6073Humanfloor · highSep 13, 20260.195Ξ0.200Ξ+2.6%97.4%
#8787Humanfloor · highSep 13, 20260.201Ξ0.196Ξ-2.6%97.4%
#12321Angelmiddle · lowSep 13, 20260.549Ξ0.462Ξ-15.9%84.2%
#2623Humanfloor · highSep 13, 20260.195Ξ0.210Ξ+7.7%92.3%
#9475Humanfloor · highSep 13, 20260.232Ξ0.224Ξ-3.6%96.4%
#1386Robotfloor · insufficientSep 12, 20261.800Ξ0.235Ξ-86.9%13.1%
#6708Humanfloor · highSep 12, 20260.200Ξ0.210Ξ+5.1%94.9%
#16880Humanfloor · highSep 12, 20260.200Ξ0.197Ξ-1.5%98.6%
#2222Robotfloor · lowSep 12, 20260.200Ξ0.201Ξ+0.6%99.4%
#16240Humanfloor · highSep 12, 20260.233Ξ0.206Ξ-11.6%88.4%
#8720Robotmiddle · lowSep 12, 20260.369Ξ0.325Ξ-11.9%88.1%
#1020Robotfloor · lowSep 12, 20260.500Ξ0.262Ξ-47.6%52.4%
#11609Robotfloor · lowSep 12, 20260.230Ξ0.203Ξ-11.9%88.2%
#16240Humanfloor · highSep 12, 20260.195Ξ0.221Ξ+13.3%86.7%
#8720Robotmiddle · insufficientSep 12, 20260.301Ξ0.600Ξ+99.3%0.7%
#16874Robotfloor · insufficientSep 12, 20260.194Ξ0.201Ξ+3.6%96.4%
#16880Humanfloor · highSep 12, 20260.196Ξ0.202Ξ+3.1%96.9%
#8787Humanfloor · highSep 12, 20260.193Ξ0.209Ξ+8.3%91.7%
#14776Humanmiddle · highSep 12, 20260.460Ξ0.386Ξ-16.1%83.9%
#133Robotmiddle · lowSep 12, 20260.369Ξ0.332Ξ-10.0%90.0%
#9203Angelfloor · lowSep 12, 20260.350Ξ0.231Ξ-34.0%66.0%
#7915Demonfloor · lowSep 11, 20260.218Ξ0.234Ξ+7.3%92.7%
#3933Humangrail · highSep 11, 20260.910Ξ0.613Ξ-32.6%67.4%
#133Robotfloor · lowSep 11, 20260.332Ξ0.281Ξ-15.4%84.6%
#6403Humanfloor · highSep 11, 20260.209Ξ0.208Ξ-0.5%99.5%

Model clone-x-1789451219-2026-08-03.2 · evaluated through 9/15/2026. Method details on the methodology page.