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Finaxion Research · Parabolic SAR: follow the dots · single stocks · Recomputed 2026-09-10

Does Parabolic SAR: follow the dots work on APTV?

Parabolic SAR: follow the dots does not beat buy-and-hold on APTV: -8.1 points a year over 15 years.

Total return
-14.5%
Buy and hold
174.0%
CAGR
-1.1%
Sharpe
-0.09
Max drawdown
-64.9%
Trades
344
Out of sample
—
Years
15
1×5.6×10.5×20122014201620182020202220242026
StrategyAPTV

Findings

  1. Parabolic SAR: follow the dots does not beat buy-and-hold on APTV: -8.1 points a year over 15 years.
  2. Against the S&P 500 over the same window: -16.3 points a year.
  3. Total return -14.5% versus +174.0% for buy-and-hold, with 344 trades.
  4. Maximum drawdown -64.9%.
  5. It did not beat before 2019 and started afterwards.
  6. It ranks #224 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 566419a0cec8.

Exactly what was tested

Long while the close is above the SAR (0.02, 0.02, 0.2); exit when the close drops below the SAR.

How to read it

The verdict compares the strategy with buying and holding APTV 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 APTV → · Full page for Parabolic SAR: follow the dots →

How to cite

Finaxion Research (2026). Does Parabolic SAR: follow the dots work on APTV?. Daily backtest 1962-01-01–2026-08-31, artifact 566419a0cec8. https://finaxion.app/en/research/parabolic-sar/aptv

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