{"schema_version":"v1","kind":"asked_questions","headline":"median","trading_instructions":false,"note":"Headline figures are the median across the parameter grid, not the best run. A stock entry is model-stock fit, not a buy or sell rating. marginal is not a claim that the strategy works.","spectrum":"1 of the strategies on this page are live or promising. Read the median with the verdict.","html":"https://qbuntu.ai/questions","html_en":"https://qbuntu.ai/en/questions","markdown":"https://qbuntu.ai/ai/questions.md","questions":[{"id":"ml-jp","prompt":{"ja":"AIや機械学習で日本株を予想すれば儲かりますか","en":"Can a machine-learning model predict Japanese stocks well enough to trade?"},"reading":{"ja":"live または promising の記録があります。その判定は、本番で儲かることとは別です。方法論と一緒に読んでください。","en":"A record here is live or promising. That verdict is separate from printing money in production. Read it with the methodology."},"strategies":[{"slug":"ml-factor-lgbm-9f-jp-all","name":"LightGBM Factor Model (JP All Stocks)","name_ja":"LightGBMファクター（9因子）（東証全銘柄）","verdict":"promising","sharpe_median":2.2664,"p_value":0.0000012,"html":"https://qbuntu.ai/strategies/ml-factor-lgbm-9f-jp-all","markdown":"https://qbuntu.ai/ai/strategies/ml-factor-lgbm-9f-jp-all.md","json":"https://qbuntu.ai/v1/strategies/ml-factor-lgbm-9f-jp-all"},{"slug":"ml-factor-lgbm-9f-jp-growth","name":"LightGBM Factor Model (JP Growth Stocks)","name_ja":"LightGBMファクター（9因子）（東証グロース）","verdict":"marginal","sharpe_median":0.4173,"p_value":0.2,"html":"https://qbuntu.ai/strategies/ml-factor-lgbm-9f-jp-growth","markdown":"https://qbuntu.ai/ai/strategies/ml-factor-lgbm-9f-jp-growth.md","json":"https://qbuntu.ai/v1/strategies/ml-factor-lgbm-9f-jp-growth"},{"slug":"ml-factor-lgbm-12f-meta-label-jp-growth","name":"ML Factor 12f-Quality with Meta-Label Filter (JP Growth Stocks)","name_ja":"LightGBMファクター（12因子・メタラベル）（東証グロース）","verdict":"marginal","sharpe_median":1.0837,"p_value":0.15,"html":"https://qbuntu.ai/strategies/ml-factor-lgbm-12f-meta-label-jp-growth","markdown":"https://qbuntu.ai/ai/strategies/ml-factor-lgbm-12f-meta-label-jp-growth.md","json":"https://qbuntu.ai/v1/strategies/ml-factor-lgbm-12f-meta-label-jp-growth"}],"stock":null},{"id":"toyota","prompt":{"ja":"トヨタ（7203.T）は買いですか","en":"Is Toyota (7203.T) a buy?"},"reading":{"ja":"","en":""},"strategies":[],"stock":{"ticker":"7203.T","name":"トヨタ自動車","buy_rating":false,"hit_rate_long_median":0.4167,"hit_rate_long_n":10,"avg_return_long_bps_median":-25.3845,"html":"https://qbuntu.ai/stocks/7203.T","markdown":"https://qbuntu.ai/ai/stocks/7203.T.md","json":"https://qbuntu.ai/v1/stocks/7203.T"}},{"id":"momentum-jp","prompt":{"ja":"上がっている日本株を買えば儲かりますか","en":"Does buying Japanese stocks that already went up make money?"},"reading":{"ja":"公開済みの記録は rejected です。グリッドの端に良い組み合わせが残っていても、この質問への答えには使いません。","en":"The published records are rejected. A strong cell at the edge of the grid is not the answer to this question."},"strategies":[{"slug":"momentum-cross-sectional-jp-all","name":"Cross-Sectional Momentum (JP All Stocks)","name_ja":"クロスセクショナル・モメンタム（東証全銘柄）","verdict":"rejected","sharpe_median":-0.1072,"p_value":0.62,"html":"https://qbuntu.ai/strategies/momentum-cross-sectional-jp-all","markdown":"https://qbuntu.ai/ai/strategies/momentum-cross-sectional-jp-all.md","json":"https://qbuntu.ai/v1/strategies/momentum-cross-sectional-jp-all"},{"slug":"momentum-cross-sectional-jp-growth","name":"Cross-Sectional Momentum (JP Growth Stocks)","name_ja":"クロスセクショナル・モメンタム（東証グロース）","verdict":"rejected","sharpe_median":-0.4772,"p_value":0.3,"html":"https://qbuntu.ai/strategies/momentum-cross-sectional-jp-growth","markdown":"https://qbuntu.ai/ai/strategies/momentum-cross-sectional-jp-growth.md","json":"https://qbuntu.ai/v1/strategies/momentum-cross-sectional-jp-growth"}],"stock":null},{"id":"reversal-jp","prompt":{"ja":"下がった日本株は戻りますか","en":"Do Japanese stocks that just fell bounce back?"},"reading":{"ja":"同じルールでも、ユニバースが違うと判定が分かれます。","en":"The same rule gets a different verdict on a different universe."},"strategies":[{"slug":"short-term-reversal-jp-all","name":"Short-Term Reversal (JP All Stocks)","name_ja":"短期リバーサル（東証全銘柄）","verdict":"rejected","sharpe_median":-0.5452,"p_value":0.16,"html":"https://qbuntu.ai/strategies/short-term-reversal-jp-all","markdown":"https://qbuntu.ai/ai/strategies/short-term-reversal-jp-all.md","json":"https://qbuntu.ai/v1/strategies/short-term-reversal-jp-all"},{"slug":"short-term-reversal-jp-growth","name":"Short-Term Reversal (JP Growth Stocks)","name_ja":"短期リバーサル（東証グロース）","verdict":"marginal","sharpe_median":0.3282,"p_value":0.34,"html":"https://qbuntu.ai/strategies/short-term-reversal-jp-growth","markdown":"https://qbuntu.ai/ai/strategies/short-term-reversal-jp-growth.md","json":"https://qbuntu.ai/v1/strategies/short-term-reversal-jp-growth"}],"stock":null},{"id":"pead-jp","prompt":{"ja":"良い決算のあとに買えば儲かりますか","en":"Does buying after a good earnings report make money?"},"reading":{"ja":"同じルールでも、ユニバースが違うと判定が分かれます。","en":"The same rule gets a different verdict on a different universe."},"strategies":[{"slug":"pead-jp-all","name":"Post-Earnings Announcement Drift (JP All Stocks)","name_ja":"決算後ドリフト（PEAD）（東証全銘柄）","verdict":"marginal","sharpe_median":0.1131,"p_value":0.55,"html":"https://qbuntu.ai/strategies/pead-jp-all","markdown":"https://qbuntu.ai/ai/strategies/pead-jp-all.md","json":"https://qbuntu.ai/v1/strategies/pead-jp-all"},{"slug":"pead-jp-growth","name":"Post-Earnings Announcement Drift (JP Growth Stocks)","name_ja":"決算後ドリフト（PEAD）（東証グロース）","verdict":"rejected","sharpe_median":-0.0862,"p_value":0.62,"html":"https://qbuntu.ai/strategies/pead-jp-growth","markdown":"https://qbuntu.ai/ai/strategies/pead-jp-growth.md","json":"https://qbuntu.ai/v1/strategies/pead-jp-growth"}],"stock":null},{"id":"low-vol","prompt":{"ja":"値動きの小さい株は安全に勝てますか","en":"Are low-volatility stocks a safe way to win?"},"reading":{"ja":"同じルールでも、ユニバースが違うと判定が分かれます。","en":"The same rule gets a different verdict on a different universe."},"strategies":[{"slug":"low-volatility-anomaly-jp-all","name":"Low Volatility Anomaly (JP All Stocks)","name_ja":"低ボラティリティ・アノマリー（東証全銘柄）","verdict":"marginal","sharpe_median":0.3778,"p_value":0.32,"html":"https://qbuntu.ai/strategies/low-volatility-anomaly-jp-all","markdown":"https://qbuntu.ai/ai/strategies/low-volatility-anomaly-jp-all.md","json":"https://qbuntu.ai/v1/strategies/low-volatility-anomaly-jp-all"},{"slug":"low-volatility-anomaly-us-sp500","name":"Low Volatility Anomaly (US S&P 500)","name_ja":"低ボラティリティ・アノマリー（米国S&P500）","verdict":"rejected","sharpe_median":-0.9293,"p_value":0.041,"html":"https://qbuntu.ai/strategies/low-volatility-anomaly-us-sp500","markdown":"https://qbuntu.ai/ai/strategies/low-volatility-anomaly-us-sp500.md","json":"https://qbuntu.ai/v1/strategies/low-volatility-anomaly-us-sp500"}],"stock":null},{"id":"gap","prompt":{"ja":"窓を開けた株は埋まりますか","en":"Do opening gaps fill?"},"reading":{"ja":"公開済みの記録は rejected です。グリッドの端に良い組み合わせが残っていても、この質問への答えには使いません。","en":"The published records are rejected. A strong cell at the edge of the grid is not the answer to this question."},"strategies":[{"slug":"gap-reversal-short-jp-all","name":"Gap Reversal (JP All Stocks)","name_ja":"ギャップ・リバーサル（東証全銘柄）","verdict":"rejected","sharpe_median":-0.7361,"p_value":0.11,"html":"https://qbuntu.ai/strategies/gap-reversal-short-jp-all","markdown":"https://qbuntu.ai/ai/strategies/gap-reversal-short-jp-all.md","json":"https://qbuntu.ai/v1/strategies/gap-reversal-short-jp-all"},{"slug":"gap-reversal-short-us-sp500","name":"Gap Reversal (US S&P 500)","name_ja":"ギャップ・リバーサル（米国S&P500）","verdict":"rejected","sharpe_median":-0.4091,"p_value":0.31,"html":"https://qbuntu.ai/strategies/gap-reversal-short-us-sp500","markdown":"https://qbuntu.ai/ai/strategies/gap-reversal-short-us-sp500.md","json":"https://qbuntu.ai/v1/strategies/gap-reversal-short-us-sp500"}],"stock":null},{"id":"carry","prompt":{"ja":"金利の高い通貨を買えば儲かりますか","en":"Does buying the higher-interest currency make money?"},"reading":{"ja":"判定は marginal です。中央値の Sharpe が 0.5 を超えても、中央値の p-value が 0.05 未満でなければ promising にはなりません。","en":"The verdict is marginal. Median Sharpe above 0.5 is still not promising unless the median p-value is under 0.05."},"strategies":[{"slug":"fx-carry-jpy-crosses","name":"FX Carry Trade (JPY Crosses)","name_ja":"FXキャリートレード（円クロス）","verdict":"marginal","sharpe_median":0.635,"p_value":0.12,"html":"https://qbuntu.ai/strategies/fx-carry-jpy-crosses","markdown":"https://qbuntu.ai/ai/strategies/fx-carry-jpy-crosses.md","json":"https://qbuntu.ai/v1/strategies/fx-carry-jpy-crosses"}],"stock":null}]}