RSI 14: buy oversold (30/70) does not beat buy-and-hold on PLD: -3.7 points a year over 29 years.
Findings derived from the full panel. Each carries its number and its denominator; the computations are reproducible with artifact 4941ce415f47.
RSI(14) crosses below 30 → entry. RSI(14) crosses above 70 → exit. Next-close execution.
The verdict compares the strategy with buying and holding PLD 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 RSI 14: buy oversold (30/70) work on PLD?. Daily backtest 1962-01-01–2026-08-31, artifact 4941ce415f47. https://finaxion.app/en/research/rsi-14-oversold/pld
Not a recommendation. Past performance does not guarantee future results.