{"slug":"aifinlab-a-share-autocorrelation","source_name":"aifinlab/a-share-autocorrelation","name":"Aifinlab/A Share Autocorrelation","description":"A股自相关/序列相关性/收益率自相关结构分析。当用户说\"自相关\"、\"autocorrelation\"、\"序列相关\"、\"收益率预测性\"、\"动量还是反转\"、\"自相关系数\"、\"ACF\"、\"PACF\"、\"Ljung-Box\"、\"收益率是否可预测\"、\"随机游走检验\"时触发。MUST USE when user asks about return autocorrelation, serial correlation tests, or whether a stock's returns are predictable. 量化分析收益率的自相关结构（ACF/PACF、Ljung-Box检验、随机游走检验）。支持formal和brief风格。","version":1,"lift":{"pass_rate_delta_pts":-8.7,"pass_rate_pct":43.5,"total_cases":23,"passed_cases":10,"tokens_delta_pct":-2.1,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-28T07:23:56.985386+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":-8.7,"with_pass_pct":43.5,"without_pass_pct":52.2,"tokens_delta_pct":-2.1,"turns_delta_pct":0,"total_cases":23,"cases_aggregated":15,"verdict":"mixed","never_hurt":false,"completed_at":"2026-08-28T07:23:56.985386+00:00","run_id":"a3c939da-b549-435b-9b3d-4fefca8d39a0","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"Apache-2.0","install_count":0,"manifest_hash":"31da6e1a76f7f91c22a318399836805f11044fb72b1680470ea741a383fbf474","raw_url":"https://app.decimal.ai/s/aifinlab-a-share-autocorrelation/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/aifinlab-a-share-autocorrelation"}