Research Portfolio · Class of 2027
Hanyun Wei
I study markets with data and text, turning messy questions into testable conclusions.
Selected Work
Two cases, two depths: one for equity research and financial decomposition, one for data modeling.
iFlytek (002230): A Deep Dive
2026 Business Elite Challenge · National First Prize · Team Lead
A 50+ page company report: segment economics, DuPont decomposition and 2025–2027 three-statement forecasts; 78% of profit traced to government subsidies, restoring the quality of the core business.
Modeling A-Share Downside Risk
Financial Data Mining course project · Solo
452 A-shares, 2005–2026 daily data, 30+ features; K-Means into 5 clusters plus Lasso down to 8 key factors, labeled by the next 60-day maximum drawdown.
Research & Experience
Only the work that shows how I think; the full list is in my CV.
Guangdong Natural Science Foundation · FinBERT2 text quantification
Built a financial sentiment index and linked it to asset-pricing models; co-author, FRL (CAS Tier 1), under revision after final review.
iFlytek deep dive · Accounting case competition
Team lead: report framework, DuPont decomposition and three-statement forecasts; national first prize.
ICBC Huizhou Branch · Relationship Manager Assistant
Joined 5 client visits and prepared 30+ credit and post-loan documents; familiar with the corporate banking workflow.
Historic district renewal · National Excellent Project
Worked with Shantou SASAC; estimated developable floor area at roughly 50× the current footprint; led business modeling and the final report.
Skills
Tools I have used, shipped with, and can hand over.
Data & Modeling
Python (pandas / numpy / statsmodels / scikit-learn)
Stata · SPSS
Wind · Choice
Research & Analysis
Equity research · financial analysis · three-statement forecasting
Text quantification · causal inference basics
Nvivo qualitative coding
Communication
Report writing · presentations
Excel · PowerPoint · Photoshop
CET-6 · banking qualification
Let's talk
23hywei@vip.163.com·+86 136-8080-3199·WeChat why13680803199