Stock comparison

BRK.BvsCOST

Berkshire Hathaway Inc vs Costco Wholesale Corp. Real data pulled from the alphactor.ai fundamentals pipeline — valuation, balance-sheet health, momentum, and analyst sentiment side by side.

BRK.B

Berkshire Hathaway Inc

$474.58

-3.23%

Financial Services$1.03TNYSE

COST

Costco Wholesale Corp

$999.89

+12.66%

Retail$450.3BNASDAQ

60-day price, rebased to 100

BRK.B -1.84% · COST +2.43%

Round-by-round

BRK.B 2·COST 4

EdgeBRK.B

Valuation upside

+118373.60% vs -32.50% to DCF fair value

EdgeCOST

Balance-sheet strength

Altman Z 2.64 vs 13.09

EdgeCOST

Fundamental quality

Piotroski 4.00 vs 6.00 (of 9)

EdgeCOST

Growth + margins

Rule-of-40 2.70 vs 10.10

EdgeCOST

60-day momentum

-1.84% vs +2.43% price return

EdgeBRK.B

Market-cap liquidity

$1.03T vs $450.3B

Verdict

Across 6 categories, COST takes the edge with 4 wins to 2. Neither score is a buy signal on its own: run the full backtest and credibility tests on alphactor.ai before putting money on it.

Backtest a strategy on BRK.B or COST

Point-in-time backtests, 8-layer credibility pipeline, conviction scoring — free to start.