spec. return-autocorrelation-us-sp500-fact-median-sharpecite ledger
qbuntu.ai/cite/return-autocorrelation-us-sp500-fact-median-sharpeCC-BY-4.0
Median Sharpe across 320 grid runs is -0.57.
sharpe_ratio-0.57 sharpe_ratiosupports verdict:rejected
Context
Full grid of 320 parameter combinations.
Source strategy
rejectedequity· no_edge
Return Autocorrelation Factor (US S&P 500)
return-autocorrelation-us-sp500
Cite this
qbuntu (2026). Median Sharpe across 320 grid runs is -0.57.. Strategy: Return Autocorrelation Factor (US S&P 500). https://qbuntu.ai/cite/return-autocorrelation-us-sp500-fact-median-sharpe
data source: kabu STATION REST API + J-Quants daily bars
computed asof: 2026-07-31T01:32:09
fact_id: return-autocorrelation-us-sp500-fact-median-sharpe (immutable)