qbuntuqbuntu
spec. gap-reversal-short-us-sp500-fact-best-sharpecite ledger
qbuntu.ai/cite/gap-reversal-short-us-sp500-fact-best-sharpeCC-BY-4.0

Best grid Sharpe ratio is 1.02 (p=0.029).

sharpe_ratio1.02 sharpe_ratiosupports verdict:rejected

Context

period 2022-01-03–2026-06-11; cost=3bps; side=LONG

Source strategy

rejectedequity· no_edge
Gap Reversal (US S&P 500)
gap-reversal-short-us-sp500
fact derives from run: r-gap-reversal-short-us-sp500-0084

Cite this

qbuntu (2026). Best grid Sharpe ratio is 1.02 (p=0.029).. Strategy: Gap Reversal (US S&P 500). https://qbuntu.ai/cite/gap-reversal-short-us-sp500-fact-best-sharpe
data source: kabu STATION REST API + J-Quants daily bars
computed asof: 2026-07-27T03:36:31
fact_id: gap-reversal-short-us-sp500-fact-best-sharpe (immutable)