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Finaxion Research · Wyckoff: buying the accumulation · single stocks · Recomputed 2026-09-10

Does Wyckoff: buying the accumulation work on ALNY?

Wyckoff: buying the accumulation does not beat buy-and-hold on ALNY: -1.4 points a year over 22 years.

Total return
×26
Buy and hold
×34
CAGR
15.8%
Sharpe
0.47
Max drawdown
-67.2%
Trades
170
Out of sample
partly
Years
22
1×10×20052007200920112013201520172019202120232025
StrategyALNY

Findings

  1. Wyckoff: buying the accumulation does not beat buy-and-hold on ALNY: -1.4 points a year over 22 years.
  2. Against the S&P 500 over the same window: +4.8 points a year.
  3. Total return ×26 versus ×34 for buy-and-hold, with 170 trades.
  4. The result holds only partly out of sample.
  5. Maximum drawdown -67.2%.
  6. It did not beat before 2015 and started afterwards.
  7. It ranks #10 of 227 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 11e887f77aa5.

Exactly what was tested

Mechanical approximation: 20-bar range with an 8-bar test window; active accumulation state → long; state lost → flat.

How to read it

The verdict compares the strategy with buying and holding ALNY 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 ALNY → · Full page for Wyckoff: buying the accumulation →

How to cite

Finaxion Research (2026). Does Wyckoff: buying the accumulation work on ALNY?. Daily backtest 1962-01-01–2026-08-31, artifact 11e887f77aa5. https://finaxion.app/en/research/wyckoff-accumulation/alny

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