Only invest above the 200-day average does not beat buy-and-hold on APO: -9.1 points a year over 15 years.
Findings derived from the full panel. Each carries its number and its denominator; the computations are reproducible with artifact 7a691ad4255c.
Long while the close is above the 200-day SMA; exit when the close crosses below it. Next-close execution.
The verdict compares the strategy with buying and holding APO 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)
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Finaxion Research (2026). Does Only invest above the 200-day average work on APO?. Daily backtest 1962-01-01–2026-08-31, artifact 7a691ad4255c. https://finaxion.app/en/research/200-day-sma-filter/apo
Not a recommendation. Past performance does not guarantee future results.