{"fact_id":"pead-jp-growth-fact-best-sharpe","strategy_slug":"pead-jp-growth","claim":"Best grid Sharpe ratio is 1.14 (p=0.074).","value":1.14,"value_text":null,"unit":"sharpe_ratio","context":"period 2023-12-08–2026-06-09; cost=5bps; side=BOTH","supports_verdict":"rejected","source_run_id":"r-pead-jp-growth-1272","search_tsv":"'-06':14 '-08':12 '-09':15 '-12':11 '0.074':8 '1.14':6 '2023':10 '2026':13 '5bps':17 'best':1 'cost':16 'grid':2 'p':7 'period':9 'ratio':4 'sharp':3 'side':18","cite_url":"https://qbuntu.ai/cite/pead-jp-growth-fact-best-sharpe","strategy":{"slug":"pead-jp-growth","name":"Post-Earnings Announcement Drift (JP Growth Stocks)","verdict":"rejected","url":"https://qbuntu.ai/strategies/pead-jp-growth"},"provenance":{"tier":"shallow","git_sha_z":"bfafe7d","data_source":"kabu STATION REST API + J-Quants daily bars","source_repo":"C:\\Users\\mirac\\projects\\qbuntu\\analysis","source_files":["scripts/grid_search/pead_grid.py","src/risk/regime.py"],"computed_asof":"2026-07-27T03:36:53","numpy_version":"2.2.6","pandas_version":"2.3.3","python_version":"3.10.11","source_project":"qbuntu-analysis","git_sha_genkidama":"711b855"},"license":"CC-BY-4.0"}