Accuracy
How accurate is the Lil Pudgys model?
Every estimate is benchmarked against real sales the model never trained on (a seeded 80/20 hold-out).
Median accuracy
94.2%
Mean accuracy
92.4%
Within ±5%
44%
Within ±10%
73%
Within ±20%
94%
Bias
+1.8%
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 |
|---|---|---|---|---|---|
| #18291 | Jun 14, 2026 | 0.450Ξ | 0.452Ξ | -0.5% | 99.5% |
| #18120 | Jun 13, 2026 | 0.495Ξ | 0.457Ξ | +8.3% | 91.8% |
| #7429 | Jun 13, 2026 | 0.580Ξ | 0.504Ξ | +15.1% | 84.9% |
| #21216 | Jun 13, 2026 | 0.455Ξ | 0.455Ξ | -0.1% | 99.9% |
| #14654 | Jun 13, 2026 | 0.456Ξ | 0.456Ξ | +0.1% | 99.9% |
| #16549 | Jun 13, 2026 | 0.457Ξ | 0.453Ξ | +0.9% | 99.1% |
| #11117 | Jun 13, 2026 | 0.473Ξ | 0.463Ξ | +2.2% | 97.8% |
| #7593 | Jun 13, 2026 | 0.509Ξ | 0.472Ξ | +7.9% | 92.1% |
| #6401 | Jun 13, 2026 | 0.510Ξ | 0.458Ξ | +11.3% | 88.7% |
| #21014 | Jun 13, 2026 | 0.473Ξ | 0.464Ξ | +2.0% | 98.0% |
| #11536 | Jun 13, 2026 | 0.473Ξ | 0.467Ξ | +1.3% | 98.7% |
| #1769 | Jun 13, 2026 | 0.468Ξ | 0.458Ξ | +2.3% | 97.7% |
| #20800 | Jun 13, 2026 | 0.468Ξ | 0.454Ξ | +3.1% | 96.9% |
| #18597 | Jun 13, 2026 | 0.570Ξ | 0.497Ξ | +14.7% | 85.3% |
| #16847 | Jun 13, 2026 | 0.468Ξ | 0.459Ξ | +2.0% | 98.0% |
| #3846 | Jun 13, 2026 | 0.455Ξ | 0.452Ξ | +0.7% | 99.3% |
| #10465 | Jun 13, 2026 | 0.456Ξ | 0.449Ξ | +1.6% | 98.4% |
| #1769 | Jun 13, 2026 | 0.452Ξ | 0.458Ξ | -1.3% | 98.7% |
| #20800 | Jun 13, 2026 | 0.453Ξ | 0.454Ξ | -0.2% | 99.8% |
| #19351 | Jun 13, 2026 | 0.456Ξ | 0.454Ξ | +0.5% | 99.5% |
| #10319 | Jun 13, 2026 | 0.454Ξ | 0.470Ξ | -3.4% | 96.6% |
| #7508 | Jun 12, 2026 | 0.459Ξ | 0.459Ξ | -0.0% | 100.0% |
| #9420 | Jun 12, 2026 | 0.464Ξ | 0.465Ξ | -0.3% | 99.7% |
| #8587 | Jun 12, 2026 | 0.463Ξ | 0.455Ξ | +1.7% | 98.3% |
| #13795 | Jun 12, 2026 | 0.465Ξ | 0.453Ξ | +2.7% | 97.3% |
| #11536 | Jun 12, 2026 | 0.465Ξ | 0.467Ξ | -0.5% | 99.5% |
| #3496 | Jun 12, 2026 | 0.469Ξ | 0.453Ξ | +3.7% | 96.3% |
| #13242 | Jun 12, 2026 | 0.478Ξ | 0.454Ξ | +5.4% | 94.7% |
| #10968 | Jun 12, 2026 | 0.479Ξ | 0.456Ξ | +4.9% | 95.1% |
| #17890 | Jun 12, 2026 | 0.469Ξ | 0.467Ξ | +0.4% | 99.6% |
| #602 | Jun 12, 2026 | 0.470Ξ | 0.455Ξ | +3.2% | 96.8% |
| #17890 | Jun 12, 2026 | 0.459Ξ | 0.467Ξ | -1.6% | 98.4% |
| #10238 | Jun 12, 2026 | 0.466Ξ | 0.475Ξ | -2.0% | 98.0% |
| #17575 | Jun 12, 2026 | 0.466Ξ | 0.459Ξ | +1.4% | 98.6% |
| #10968 | Jun 12, 2026 | 0.459Ξ | 0.456Ξ | +0.6% | 99.5% |
| #19359 | Jun 12, 2026 | 0.609Ξ | 0.494Ξ | +23.3% | 76.7% |
| #602 | Jun 12, 2026 | 0.456Ξ | 0.455Ξ | +0.1% | 99.9% |
| #14892 | Jun 12, 2026 | 0.460Ξ | 0.467Ξ | -1.5% | 98.5% |
| #11117 | Jun 12, 2026 | 0.464Ξ | 0.463Ξ | +0.2% | 99.8% |
| #11260 | Jun 12, 2026 | 0.481Ξ | 0.459Ξ | +4.9% | 95.2% |
Method details on the methodology page.