SY — So-Young International Inc. (US)

So-Young International Inc. (SY) stock analysis: price chart, financial history, factor exposure, beta analysis, and peer valuation. Sector: Healthcare. Market cap: US$247M.

Sector: Healthcare

Industry: Medical - Healthcare Information Services

Market Cap: US$247M

body{font-family:system-ui,sans-serif;max-width:800px;margin:2rem auto;padding:0 1rem;color:#3d3929;background:#f5f0e8}SurgeFlow — Open Equity Data ScienceOpen data science on broad equity markets. We perform statistical testing on public market data and publish methodology transparently. Free, donation-funded — we ask users to donate to UNHCR. SurgeFlow is research, not investment advice.What we publish

Open price data with daily moving-average distance and 52-week range methodology

Turnover analysis with Amihud illiquidity and liquidity-state classification

Sector and industry data with peer-relative excess-return methodology

Fundamental ratio data: E/P, CFO/P, P/S, P/B with explicit coverage disclosure

Institutional ownership & disclosure data across 8 markets: SEC 13F, EDINET XBRL, CSRC fund disclosures, Korea DART, HKEX DI, Taiwan TWSE/MOPS, India NSE, UK FCA

Macro benchmark data with valuation-regime classification

Methodology

Factor methodology: SMB, HML, WML, RMW with HAC inference and publication gates

Statistical testing with residual diagnostics and monotonicity tests

Point-in-time data controls and look-ahead-bias prevention

Data sources

Financial news dataset — disclosure feeds across 8 markets (US, CN, JP, HK, TW, KR, UK, IN; media and sentiment depth vary by market) with Loughran-McDonald and FinBERT sentiment methodology

Macro indicators classified by lead/coincident/lagging/monetary/fiscal taxonomy

Cross-market disclosure systems: SEC EDGAR (US), EDINET (JP), CSRC (CN), DART (KR), HKEX (HK), TWSE/MOPS (TW), NSE (IN), FCA (UK)

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