Accuracy
How accurate is the Milady Maker model?
Every estimate is benchmarked against real sales the model never trained on (a seeded 80/20 hold-out).
Median accuracy
86.9%
Mean accuracy
83.9%
Within ±5%
19%
Within ±10%
39%
Within ±20%
69%
Bias
+11.3%
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
| Item | Date | Sale | Model | Error | Accuracy |
|---|---|---|---|---|---|
| #9694 | Jun 16, 2026 | 1.080Ξ | 1.155Ξ | -6.5% | 93.5% |
| #784 | Jun 16, 2026 | 1.080Ξ | 1.113Ξ | -3.0% | 97.0% |
| #3915 | Jun 16, 2026 | 1.100Ξ | 1.104Ξ | -0.4% | 99.6% |
| #1517 | Jun 16, 2026 | 1.146Ξ | 1.143Ξ | +0.2% | 99.8% |
| #5153 | Jun 16, 2026 | 1.110Ξ | 1.125Ξ | -1.3% | 98.7% |
| #9246 | Jun 16, 2026 | 1.250Ξ | 1.201Ξ | +4.0% | 96.0% |
| #3915 | Jun 16, 2026 | 1.110Ξ | 1.105Ξ | +0.5% | 99.6% |
| #3697 | Jun 16, 2026 | 1.147Ξ | 1.104Ξ | +3.9% | 96.1% |
| #3697 | Jun 16, 2026 | 1.110Ξ | 1.104Ξ | +0.6% | 99.4% |
| #4797 | Jun 15, 2026 | 1.200Ξ | 1.226Ξ | -2.1% | 97.9% |
| #9246 | Jun 15, 2026 | 1.120Ξ | 1.202Ξ | -6.8% | 93.2% |
| #7538 | Jun 15, 2026 | 1.390Ξ | 1.408Ξ | -1.3% | 98.7% |
| #3089 | Jun 15, 2026 | 1.190Ξ | 1.173Ξ | +1.5% | 98.6% |
| #4205 | Jun 15, 2026 | 1.130Ξ | 1.130Ξ | +0.0% | 100.0% |
| #833 | Jun 15, 2026 | 1.136Ξ | 1.140Ξ | -0.4% | 99.6% |
| #4002 | Jun 15, 2026 | 1.195Ξ | 1.134Ξ | +5.4% | 94.6% |
| #7674 | Jun 15, 2026 | 1.110Ξ | 1.132Ξ | -2.0% | 98.0% |
| #833 | Jun 15, 2026 | 1.110Ξ | 1.140Ξ | -2.6% | 97.4% |
| #356 | Jun 15, 2026 | 1.110Ξ | 1.125Ξ | -1.3% | 98.7% |
| #112 | Jun 15, 2026 | 1.320Ξ | 1.209Ξ | +9.2% | 90.8% |
| #4769 | Jun 14, 2026 | 1.290Ξ | 1.261Ξ | +2.3% | 97.7% |
| #477 | Jun 14, 2026 | 1.330Ξ | 1.210Ξ | +9.9% | 90.1% |
| #484 | Jun 14, 2026 | 1.141Ξ | 1.101Ξ | +3.6% | 96.4% |
| #3641 | Jun 14, 2026 | 1.160Ξ | 1.161Ξ | -0.1% | 99.9% |
| #6704 | Jun 14, 2026 | 1.239Ξ | 1.130Ξ | +9.6% | 90.4% |
| #5437 | Jun 14, 2026 | 1.167Ξ | 1.158Ξ | +0.7% | 99.3% |
| #9344 | Jun 14, 2026 | 1.155Ξ | 1.123Ξ | +2.9% | 97.1% |
| #7472 | Jun 14, 2026 | 1.130Ξ | 1.123Ξ | +0.6% | 99.4% |
| #484 | Jun 14, 2026 | 1.110Ξ | 1.102Ξ | +0.8% | 99.2% |
| #1895 | Jun 14, 2026 | 1.250Ξ | 1.196Ξ | +4.5% | 95.5% |
| #7837 | Jun 14, 2026 | 1.249Ξ | 1.193Ξ | +4.7% | 95.3% |
| #3915 | Jun 13, 2026 | 1.140Ξ | 1.111Ξ | +2.6% | 97.4% |
| #3915 | Jun 13, 2026 | 1.080Ξ | 1.111Ξ | -2.8% | 97.2% |
| #9344 | Jun 13, 2026 | 1.100Ξ | 1.126Ξ | -2.3% | 97.7% |
| #5230 | Jun 13, 2026 | 1.100Ξ | 1.150Ξ | -4.3% | 95.7% |
| #4275 | Jun 13, 2026 | 1.100Ξ | 1.107Ξ | -0.6% | 99.4% |
| #4643 | Jun 13, 2026 | 1.174Ξ | 1.129Ξ | +4.0% | 96.0% |
| #5631 | Jun 13, 2026 | 1.140Ξ | 1.287Ξ | -11.4% | 88.6% |
| #7375 | Jun 12, 2026 | 1.234Ξ | 1.243Ξ | -0.7% | 99.3% |
| #5433 | Jun 12, 2026 | 1.090Ξ | 1.142Ξ | -4.5% | 95.5% |
Method details on the methodology page.