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)
94.7%
Mean accuracy (100−APE)
91.5%
Within ±5%
48%
Within ±10%
75%
Within ±20%
93%
Bias
+1.6%
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 | 2565 | 95.0% | 78% | +1.1% |
| middle | 157 | 86.9% | 38% | -2.8% |
| grail | 11 | 43.3% | 27% | +161.2% |
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 |
|---|---|---|---|---|---|---|
| #15485 | floor · medium | Nov 3, 2026 | 2.220Ξ | 1.228Ξ | -44.7% | 55.3% |
| #4687 | floor · high | Nov 2, 2026 | 0.879Ξ | 0.893Ξ | +1.6% | 98.4% |
| #1856 | floor · high | Nov 2, 2026 | 0.835Ξ | 0.928Ξ | +11.1% | 88.9% |
| #1597 | floor · high | Nov 2, 2026 | 0.872Ξ | 0.915Ξ | +4.9% | 95.1% |
| #25260 | floor · high | Nov 2, 2026 | 0.880Ξ | 0.900Ξ | +2.3% | 97.7% |
| #25260 | floor · medium | Nov 2, 2026 | 0.900Ξ | 0.884Ξ | -1.8% | 98.2% |
| #14265 | floor · high | Nov 2, 2026 | 1.110Ξ | 1.213Ξ | +9.3% | 90.7% |
| #512 | floor · high | Nov 2, 2026 | 0.883Ξ | 0.881Ξ | -0.2% | 99.8% |
| #4687 | floor · high | Nov 2, 2026 | 0.900Ξ | 0.896Ξ | -0.4% | 99.6% |
| #334 | floor · high | Nov 2, 2026 | 0.913Ξ | 0.890Ξ | -2.5% | 97.5% |
| #1597 | floor · high | Nov 2, 2026 | 0.910Ξ | 0.925Ξ | +1.7% | 98.4% |
| #1597 | floor · high | Nov 2, 2026 | 0.925Ξ | 0.848Ξ | -8.3% | 91.7% |
| #334 | floor · high | Nov 2, 2026 | 0.881Ξ | 0.971Ξ | +10.2% | 89.8% |
| #1416 | floor · high | Nov 2, 2026 | 1.020Ξ | 0.981Ξ | -3.8% | 96.2% |
| #29250 | floor · high | Nov 2, 2026 | 0.907Ξ | 0.856Ξ | -5.6% | 94.4% |
| #22060 | floor · high | Nov 2, 2026 | 0.906Ξ | 0.869Ξ | -4.1% | 95.9% |
| #28517 | floor · high | Nov 2, 2026 | 1.120Ξ | 1.061Ξ | -5.3% | 94.7% |
| #9659 | floor · medium | Nov 2, 2026 | 0.891Ξ | 0.859Ξ | -3.6% | 96.4% |
| #25178 | floor · high | Nov 2, 2026 | 1.010Ξ | 0.981Ξ | -2.9% | 97.1% |
| #1499 | floor · high | Nov 1, 2026 | 0.881Ξ | 0.962Ξ | +9.2% | 90.8% |
| #23380 | middle · high | Nov 1, 2026 | 1.454Ξ | 1.658Ξ | +14.0% | 86.0% |
| #4311 | floor · high | Nov 1, 2026 | 0.926Ξ | 0.886Ξ | -4.3% | 95.7% |
| #8385 | floor · high | Nov 1, 2026 | 0.930Ξ | 0.855Ξ | -8.1% | 91.9% |
| #4311 | floor · high | Nov 1, 2026 | 0.886Ξ | 0.847Ξ | -4.4% | 95.6% |
| #3813 | floor · high | Nov 1, 2026 | 0.912Ξ | 0.905Ξ | -0.8% | 99.2% |
| #21325 | floor · high | Nov 1, 2026 | 1.230Ξ | 1.129Ξ | -8.2% | 91.8% |
| #18170 | floor · high | Nov 1, 2026 | 0.887Ξ | 0.926Ξ | +4.4% | 95.6% |
| #11236 | floor · high | Nov 1, 2026 | 0.907Ξ | 0.836Ξ | -7.8% | 92.2% |
| #12109 | floor · high | Nov 1, 2026 | 1.600Ξ | 1.219Ξ | -23.8% | 76.2% |
| #19479 | middle · high | Nov 1, 2026 | 1.790Ξ | 1.689Ξ | -5.6% | 94.4% |
| #2069 | floor · medium | Nov 1, 2026 | 0.887Ξ | 0.848Ξ | -4.4% | 95.6% |
| #1251 | floor · high | Nov 1, 2026 | 1.050Ξ | 0.917Ξ | -12.7% | 87.3% |
| #1416 | floor · high | Nov 1, 2026 | 0.965Ξ | 0.985Ξ | +2.1% | 97.9% |
| #14425 | floor · high | Nov 1, 2026 | 1.770Ξ | 1.180Ξ | -33.3% | 66.7% |
| #14424 | floor · high | Nov 1, 2026 | 1.120Ξ | 0.854Ξ | -23.8% | 76.3% |
| #21325 | middle · high | Nov 1, 2026 | 1.120Ξ | 1.257Ξ | +12.2% | 87.8% |
| #11380 | floor · high | Nov 1, 2026 | 0.930Ξ | 0.910Ξ | -2.1% | 97.9% |
| #1499 | floor · high | Nov 1, 2026 | 0.950Ξ | 0.990Ξ | +4.2% | 95.8% |
| #8402 | floor · high | Nov 1, 2026 | 0.889Ξ | 0.837Ξ | -5.9% | 94.2% |
| #24 | floor · high | Nov 1, 2026 | 0.950Ξ | 0.840Ξ | -11.6% | 88.4% |
Model mutant-ape-yacht-club-1792559915-2026-08-03.2 · evaluated through 10/21/2026. Method details on the methodology page.