spec. idiosyncratic-vol-jp-all-fact-regime-downcite ledger
qbuntu.ai/cite/idiosyncratic-vol-jp-all-fact-regime-downCC-BY-4.0
Median Sharpe in DOWN regime is -1.66 across 160 runs.
sharpe_ratio-1.66 sharpe_ratiosupports verdict:rejected
Context
Regime=DOWN, N225 SMA20/SMA60 classification.
Source strategy
rejectedequity· regime_dependent
Idiosyncratic Volatility (JP All Stocks)
idiosyncratic-vol-jp-all
Cite this
qbuntu (2026). Median Sharpe in DOWN regime is -1.66 across 160 runs.. Strategy: Idiosyncratic Volatility (JP All Stocks). https://qbuntu.ai/cite/idiosyncratic-vol-jp-all-fact-regime-down
data source: kabu STATION REST API + J-Quants daily bars
computed asof: 2026-07-30T01:21:28
fact_id: idiosyncratic-vol-jp-all-fact-regime-down (immutable)