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Finaxion Research · Kaufman’s adaptive moving average (KAMA) · single stocks · Recomputed 2026-09-10

Does Kaufman’s adaptive moving average (KAMA) work on BLDR?

Kaufman’s adaptive moving average (KAMA) does not beat buy-and-hold on BLDR: -14.8 points a year over 21 years.

Total return
-78.5%
Buy and hold
393.7%
CAGR
-7.0%
Sharpe
-0.03
Max drawdown
-84.6%
Trades
816
Out of sample
overfit
Years
21
0.1×1×10×20062008201020122014201620182020202220242026
StrategyBLDR

Findings

  1. Kaufman’s adaptive moving average (KAMA) does not beat buy-and-hold on BLDR: -14.8 points a year over 21 years.
  2. Against the S&P 500 over the same window: -18.2 points a year.
  3. Total return -78.5% versus +393.7% for buy-and-hold, with 816 trades.
  4. The result does not hold out of sample: it is overfit.
  5. Maximum drawdown -84.6%.
  6. It beat before 2016 and stopped afterwards.
  7. It ranks #227 of 235 markets for this strategy by annual excess over the S&P 500.

Findings derived from the full panel. Each carries its number and its denominator; the computations are reproducible with artifact 6540eaf5c46b.

Exactly what was tested

Close crosses above KAMA(10, 2, 30) → entry; close crosses below → exit.

How to read it

The verdict compares the strategy with buying and holding BLDR over the same window, with round-trip costs per asset class. “Out of sample” is walk-forward: the rule is fit on one stretch and judged on the next. A result that beats in the full sample but not out of it is overfit. Full methodology in the protocol. How we test.

Open this backtest with its trades   Trades (CSV)

Every strategy on BLDR → · Full page for Kaufman’s adaptive moving average (KAMA) →

How to cite

Finaxion Research (2026). Does Kaufman’s adaptive moving average (KAMA) work on BLDR?. Daily backtest 1962-01-01–2026-08-31, artifact 6540eaf5c46b. https://finaxion.app/en/research/kama-adaptive-average/bldr

Not a recommendation. Past performance does not guarantee future results.