Carlog Cattle Co.
375
Sale Records
29.5%
Model MAPE
2026 Season
Completed Sale Results
2026 US Fullblood Wagyu auction data — 375 animals across 7 sales (incl. Big Texas + Passion for Prime)
BFI vs Sale Price — Scatter (click a point for detail)
BFI
MS
Sale Price
Sale
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LotAnimalSaleType BFIMSMFEMA Model Pred.Actual PriceVariance
2026 Season Complete
All 7 tracked 2026 sales are finished — full results are in the Sale Results tab
Type:
LotAnimal BFI MS MF EMA Range Prediction
Price Predictor
Enter WBV/EPD values — model calibrated to 375 actual 2026 results across 7 sales
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Model Accuracy
3-segment model — 281 calibration results + Big Texas (47) held out as a true out-of-sample test
Predicted vs Actual — All 74 M6 Animals
SegmentNBFI Slope Intercept MAPEWithin 20%Notes
Young Heifers (W/N, 2025-born)29$9.25/pt$5840.35114.1%86%Market floors yearlings regardless of BFI — low WBV accuracy on young animals
Proven Heifers (M/K/L/J)29$39.33/pt−$9,9530.42528.6%48%Full BFI signal. Sire family matters — Shogun/BailUOut daughters show −$1,800 discount
Bulls26$43.04/pt−$15,7870.52931.2%35%Highest slope — sire potential + semen inclusion premium above genetics alone
Big Texas — elite (out-of-sample)47~0.250%26%Trophy-donor sale — price is pedigree/demand-driven, not WBV. Top donors ran $40K–$120K on mid-range BFI; bulls anti-correlated (highest BFI sold lowest). Confirms elite needs comps, not a slope.
Passion for Prime — prestige (out-of-sample)39low72%18%Sold SOFT overall — production lots over-predicted by ~2×; donor headliners under-predicted. Recip pregnancies priced flat ~$7K regardless of BFI (480–660 range all sold $6K–$8K). Pedigree-driven outliers: 312L $75K, Black Sky $45K, Inselmann $40K, Lot 88 (M6 Q0540) $410K. Two-regime finding confirmed: BFI predicts below ~$15K (r=0.46); pedigree dominates above it (r=0.20). Lesson: a sale’s price level is not fixed by WBV tier.
All Combined7429.5%62%Two sales now held out: Big Texas (elite — pedigree-driven, 50%) and Passion for Prime (sold soft — model over-predicted ~2×). The lesson isn't a slope tweak: a sale's price LEVEL varies independent of WBV. v6 adds a flat recip-pregnancy category (~$7K), a lower floor, and routes donor headliners to comps.