Daily Alpha Radar · Cross-Asset

Portfolio Theme Intelligence Brief

2026-10-21 · Asia/Singapore · 市场主题观察器(不构成投资建议)

§0Market Theme Overview

§1Core Theme Tracker

Seed Theme State Momentum 近5日 Evidence (今日新增) Sub-themes Key Question
AI_Compute_Semiconductors conflicting 5 5→5→4→5→5 24 (+8) Semiconductors_Broad, AI_Infrastructure 半导体周期位置是否支持维持台/韩/美半导体暴露?
Memory_HBM weakening 5 5→5→5→5→5 6 (+2) Memory_Cycle_Divergence HBM 需求与 commodity memory 供给过剩/中国国产化是否在分化韩国半导体暴露?
Japan_Value_Trading_Houses weakening 5 4→4→4→4→4 6 (+3) Japan_FX 日元路径是否改变对冲 vs 不对冲日本 ETF 的相对收益?
Gold_Inflation_Real_Assets strengthening 4 5→5→4→4→5 6 (+3) Crypto_Gold 黄金/比特币是否在承担组合分散角色?
Data_Center_Grid_Infrastructure emerging 1 5→1→1→1→3 1 Data_Center_Power 数据中心电力约束是否正在把 AI capex 溢出到电网/工业/公用事业暴露?

(今日无证据的种子主题: China_Internet_Platforms, Defensive_Cash_Duration, Structured_Yield, Private_AI_PreIPO)

§2Adjacent Theme Expansion

Cloud_Software_AI_Apps(← AI_Compute_Semiconductors,downstream,distance 1)

Japan_Banks_Rates(← Japan_Value_Trading_Houses,complementary,distance 1)

Shareholder_Return(← China_Internet_Platforms,macro_driver,distance 1)

China_Memory_Localization(← Memory_HBM,risk_factor,distance 1)

§3Discovery Themes

ETF_Flows_Index_Concentration(discovery,unknown,证据 2 条)

Defense_space(discovery,weakening,证据 3 条)

§4Deep Theme Analysis

Theme: Semiconductors_Broad(AI_Compute_Semiconductors / core_seed)

Theme: AI_Infrastructure(AI_Compute_Semiconductors / core_seed)

§5Sell-Side Research Desk

Earnings & Estimate Revisions

Strategy / Positioning

§6Sell-Side Consensus & Dispersion

Semiconductors(up,7 份,confidence medium)

HK_china_flow_policy(down,6 份,confidence medium)

AI_infrastructure(down,3 份,confidence medium)

Rates_duration(up,3 份,confidence medium)

§7Deep Reading Queue

高信誉待人工阅读(只有公开标题/摘要)

§8Coverage Gaps

主题只有单一来源支撑

核心主题缺高质量新闻

主题无卖方覆盖

相邻主题缺深度分析

§9Documents to Parse

(今日无待解析文档)

§10Source Health