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Finaxion Research · RSI 14: buy oversold (30/70) · single stocks · Recomputed 2026-09-10

Does RSI 14: buy oversold (30/70) work on ECHO?

RSI 14: buy oversold (30/70) does not beat buy-and-hold on ECHO: -3.0 points a year over 19 years.

Total return
90.6%
Buy and hold
227.3%
CAGR
3.5%
Sharpe
0.13
Max drawdown
-61.5%
Trades
37
Out of sample
—
Years
19
1×2.8×200920112013201520172019202120232025
StrategyECHO

Findings

  1. RSI 14: buy oversold (30/70) does not beat buy-and-hold on ECHO: -3.0 points a year over 19 years.
  2. Against the S&P 500 over the same window: -7.8 points a year.
  3. Total return +90.6% versus +227.3% for buy-and-hold, with 37 trades.
  4. Maximum drawdown -61.5%.
  5. It did not beat before 2017 and started afterwards.
  6. It ranks #157 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 4941ce415f47.

Exactly what was tested

RSI(14) crosses below 30 → entry. RSI(14) crosses above 70 → exit. Next-close execution.

How to read it

The verdict compares the strategy with buying and holding ECHO 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 ECHO → · Full page for RSI 14: buy oversold (30/70) →

How to cite

Finaxion Research (2026). Does RSI 14: buy oversold (30/70) work on ECHO?. Daily backtest 1962-01-01–2026-08-31, artifact 4941ce415f47. https://finaxion.app/en/research/rsi-14-oversold/echo

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