Accuracy
How accurate is the Mutant Ape Yacht Club 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)
93.0%
Mean accuracy (100−APE)
89.9%
Within ±5%
38%
Within ±10%
66%
Within ±20%
92%
Bias
+4.1%
Accuracy by market tier
Floor, middle-market, and grail sales are scored separately so aggregate accuracy cannot hide a weak segment
| Tier | Sales | Median accuracy | Within ±10% | Bias |
|---|---|---|---|---|
| floor | 2389 | 93.2% | 69% | +3.9% |
| middle | 182 | 87.5% | 41% | -3.6% |
| grail | 10 | 19.3% | 20% | +172.8% |
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
| Item | Tier / evidence | Date | Sale | Model | Error | Accuracy |
|---|---|---|---|---|---|---|
| #7852 | middle · high | Sep 15, 2026 | 1.396Ξ | 1.423Ξ | +1.9% | 98.1% |
| #1043 | floor · high | Sep 15, 2026 | 1.000Ξ | 1.071Ξ | +7.1% | 92.9% |
| #11282 | floor · high | Sep 14, 2026 | 0.885Ξ | 1.041Ξ | +17.6% | 82.4% |
| #334 | floor · medium | Sep 14, 2026 | 0.885Ξ | 1.023Ξ | +15.5% | 84.5% |
| #12948 | floor · high | Sep 14, 2026 | 0.770Ξ | 0.959Ξ | +24.6% | 75.5% |
| #11064 | floor · high | Sep 14, 2026 | 0.886Ξ | 0.899Ξ | +1.4% | 98.6% |
| #2258 | floor · high | Sep 14, 2026 | 0.940Ξ | 0.907Ξ | -3.5% | 96.5% |
| #12492 | floor · high | Sep 13, 2026 | 0.983Ξ | 1.195Ξ | +21.6% | 78.4% |
| #17262 | floor · high | Sep 13, 2026 | 0.858Ξ | 0.906Ξ | +5.6% | 94.4% |
| #2258 | floor · high | Sep 13, 2026 | 0.840Ξ | 0.951Ξ | +13.2% | 86.8% |
| #2523 | floor · high | Sep 13, 2026 | 0.846Ξ | 1.022Ξ | +20.8% | 79.2% |
| #27498 | floor · high | Sep 13, 2026 | 0.849Ξ | 1.030Ξ | +21.3% | 78.7% |
| #7700 | floor · high | Sep 13, 2026 | 0.870Ξ | 0.923Ξ | +6.1% | 93.9% |
| #24734 | floor · high | Sep 13, 2026 | 0.862Ξ | 0.897Ξ | +4.1% | 95.9% |
| #17472 | floor · high | Sep 13, 2026 | 0.880Ξ | 0.899Ξ | +2.2% | 97.8% |
| #16560 | floor · high | Sep 13, 2026 | 0.909Ξ | 1.060Ξ | +16.6% | 83.4% |
| #19536 | floor · high | Sep 13, 2026 | 0.860Ξ | 1.032Ξ | +20.0% | 80.0% |
| #17472 | floor · high | Sep 13, 2026 | 0.860Ξ | 1.022Ξ | +18.8% | 81.2% |
| #24734 | floor · high | Sep 13, 2026 | 0.853Ξ | 1.015Ξ | +19.0% | 81.0% |
| #2226 | floor · high | Sep 13, 2026 | 0.900Ξ | 0.929Ξ | +3.2% | 96.8% |
| #2928 | floor · high | Sep 13, 2026 | 0.890Ξ | 0.991Ξ | +11.4% | 88.7% |
| #2167 | floor · high | Sep 12, 2026 | 0.950Ξ | 0.961Ξ | +1.2% | 98.8% |
| #2226 | floor · high | Sep 12, 2026 | 0.870Ξ | 1.129Ξ | +29.8% | 70.2% |
| #4058 | floor · high | Sep 12, 2026 | 0.871Ξ | 0.946Ξ | +8.6% | 91.4% |
| #3119 | floor · high | Sep 12, 2026 | 0.947Ξ | 0.990Ξ | +4.5% | 95.5% |
| #7546 | floor · high | Sep 12, 2026 | 0.870Ξ | 0.994Ξ | +14.3% | 85.8% |
| #7700 | floor · high | Sep 12, 2026 | 0.900Ξ | 0.940Ξ | +4.5% | 95.5% |
| #20566 | floor · high | Sep 12, 2026 | 0.897Ξ | 1.012Ξ | +12.8% | 87.2% |
| #10450 | floor · high | Sep 12, 2026 | 0.900Ξ | 1.060Ξ | +17.8% | 82.2% |
| #7700 | floor · high | Sep 12, 2026 | 0.886Ξ | 1.023Ξ | +15.5% | 84.5% |
| #6232 | floor · high | Sep 12, 2026 | 0.918Ξ | 0.960Ξ | +4.5% | 95.5% |
| #7760 | floor · high | Sep 12, 2026 | 0.934Ξ | 0.938Ξ | +0.4% | 99.6% |
| #5337 | floor · high | Sep 12, 2026 | 0.918Ξ | 0.911Ξ | -0.8% | 99.2% |
| #4504 | floor · high | Sep 12, 2026 | 0.915Ξ | 1.034Ξ | +13.0% | 87.0% |
| #6232 | middle · high | Sep 11, 2026 | 0.890Ξ | 1.965Ξ | +120.8% | 0.0% |
| #7443 | floor · high | Sep 11, 2026 | 1.396Ξ | 1.093Ξ | -21.7% | 78.3% |
| #6473 | floor · high | Sep 11, 2026 | 0.928Ξ | 0.975Ξ | +5.1% | 94.9% |
| #27112 | floor · high | Sep 11, 2026 | 0.990Ξ | 1.009Ξ | +1.9% | 98.1% |
| #27112 | floor · high | Sep 11, 2026 | 0.940Ξ | 1.076Ξ | +14.5% | 85.5% |
| #2151 | floor · medium | Sep 11, 2026 | 1.410Ξ | 1.289Ξ | -8.6% | 91.4% |
Model mutant-ape-yacht-club-1788840011-2026-08-03.2 · evaluated through 9/8/2026. Method details on the methodology page.