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指数高阶矩择时。用户说「高阶矩」「五阶矩择时」「矩择时」「/index-higher-moment」时使用。用收益高阶矩EMA切线法。默认 create_web。禁止荐股。
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AI Berkshire 分析。用户说「AI Berkshire」「AI Berkshire 分析」「价值投资流程」「四大师投研」「按场景路由投研」「/ai-berkshire」时使用。按场景路由基础 skill，强制质量规则，端到端澄清→取数→子 skill→审计建议→create_web。非投资研讨团。默认 create_web。
供应链瓶颈猎手。用户说「瓶颈猎手」「供应链咽喉」「第二层瓶颈」「谁会先不够用」「/bottleneck-hunter」时使用。从超级趋势拆物理供应链，找 Layer2/3 瓶颈与可交易标的；瓶颈真实≠买点，须估值透支检验。默认 create_web。
《看懂XX》长文系列。用户说「看懂系列」「深度长文系列」「教科书级公司拆解」「多篇公众号」「/deep-company-series」时使用。3–8 篇按复杂度适配；事实核查优先于文采。默认 create_web；署名 Opptrix · AI Berkshire 分析。
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Showing SKILL.md
| name | index-higher-moment |
| description | 指数高阶矩择时。用户说「高阶矩」「五阶矩择时」「矩择时」「/index-higher-moment」时使用。用收益高阶矩EMA切线法。默认 create_web。禁止荐股。 |
| license | Apache-2.0 |
| metadata | {"author":"opptrix","version":"1.0","title":"指数高阶矩择时","summary":"五阶矩EMA切线法择时状态","category":"quant","slash-rank":"573","default-deliverable":"web","required-packs":"instrument_analytics artifacts"} |
| allowed-tools | search_instruments get_instrument_snapshot get_instrument_chart ask_user get_agent_skill_file opptrix_run workspace_write workspace_read create_web update_web read_web list_web_vendor |
| references | ["scripts/index_higher_moment.py","scripts/fixtures/sample_input.json"] |
用日收益高阶原点矩（默认 5 阶）刻画尾部风险发散，经 EMA 平滑后用切线法给规则状态。
python scripts/index_higher_moment.py --input data.json --output result.json
params.select_alpha=true 时尝试滚动网格选 α；样本不足则降级固定 α 并 meta.degraded。默认 create_web。仅标准库。