Daily Alpha Radar · Cross-Asset

Portfolio Theme Intelligence Brief

2026-09-18 · 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→5→5→5 29 (+9) Semiconductors_Broad, AI_Infrastructure, AI_ASIC_Custom_Silicon 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 7 (+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 4 4→4→4→5→4 9 (+3) Japan_FX, Japan_Value_Up 日元路径是否改变对冲 vs 不对冲日本 ETF 的相对收益?

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

§2Adjacent Theme Expansion

Cloud_Software_AI_Apps(← AI_Compute_Semiconductors,downstream,distance 1)

Shareholder_Return(← China_Internet_Platforms,macro_driver,distance 1)

Commodities(← Gold_Inflation_Real_Assets,complementary,distance 1)

AI_Healthcare(← AI_Compute_Semiconductors,downstream,distance 2)

§3Discovery Themes

Defense_space(discovery,weakening,证据 4 条)

ETF_Flows_Index_Concentration(discovery,emerging,证据 1 条)

§4Deep Theme Analysis

Theme: Semiconductors_Broad(AI_Compute_Semiconductors / core_seed)

Theme: AI_Infrastructure(AI_Compute_Semiconductors / core_seed)

§5Sell-Side Research Desk

Strategy / Positioning

§6Sell-Side Consensus & Dispersion

Cloud_software(up,5 份,confidence medium)

Semiconductors(up,4 份,confidence medium)

Crypto_gold(up,4 份,confidence medium)

HK_china_flow_policy(down,2 份,confidence low)

§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

主题长期无更新(stale)

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