Ichimoku: buy above the cloud does not beat buy-and-hold on KEYS: -20.1 points a year over 12 years.
Findings derived from the full panel. Each carries its number and its denominator; the computations are reproducible with artifact 3da70cf34031.
Long while the close is above both cloud spans (Senkou A and B; 9/26/52); exit when the close drops below either.
The verdict compares the strategy with buying and holding KEYS 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.
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Finaxion Research (2026). Does Ichimoku: buy above the cloud work on KEYS?. Daily backtest 1962-01-01–2026-08-31, artifact 3da70cf34031. https://finaxion.app/en/research/ichimoku-cloud/keys
Not a recommendation. Past performance does not guarantee future results.