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Data source selection — VN-only. All data comes from vnstock (fundamentals + OHLCV) and VietFin DNSE (OHLCV fallback).
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Based on SOC occupation classification
| name | data-routing |
| category | data-source |
| description | Data source selection — VN-only. All data comes from vnstock (fundamentals + OHLCV) and VietFin DNSE (OHLCV fallback). |
| Source | Markets | Auth Required | How |
|---|---|---|---|
| vnstock | VN equities, indices, ETFs, futures | Optional (VN_STOCK_KEY in .env) | Tool: vn_stock_analyze, vn_factor_data, alpha_bench(universe="vn-index") |
| VietFin DNSE | VN OHLCV | No | Backend fallback for OHLCV (used automatically by loaders) |
| DNSE REST API | VN equities intraday | DNSE_API_KEY + DNSE_API_SECRET | Direct REST call — independent of WebSocket; supports 1m/5m/15m/30m/1H/1D |
| Use Case | Tool | Example |
|---|---|---|
| Single stock analysis | vn_stock_analyze(symbol="VCB", days=365) | Price + profile + ratios + financials |
| Multi-stock factor data | vn_factor_data(universe="vn-index", factor="pe", period="2024-2025") | Factor CSV + return CSV → factor_analysis |
| VN factor benchmark | python run_ic_test.py | Bench 31 VN-core factors on HOSE → IC/IR report |
| Backtest | backtest(run_dir=...) with config.json source: "vietfin" or "auto" | Backtest signal engine on VN stocks |
| Market index | vn_index(symbol="VNINDEX", days=365) | Index OHLCV |
| Mutual funds | vn_fund_search() + vn_fund_history() | Fund NAV data |
| Intraday OHLCV | GET /api/stock/intraday/{symbol}?resolution=5&start=...&end=... | Direct REST: DNSE REST API, resolutions: 1, 5, 15, 30, 1H, 1D |
| Minute analysis | vn_intraday_analysis(symbol="VIC", resolution="5m", days=5) | Intraday VWAP/TWAP/volume profile via DNSE REST |
For backtest config.json:
"source": "vietfin" — VietFin data (vnstock fundamentals fallback)"source": "dnse" — DNSE broker data (supports intraday intervals: "interval": "5m")"source": "auto" — automatic routing (recommended)For minute-level backtests, use "interval" in config.json:
{
"source": "dnse",
"codes": ["VIC"],
"start_date": "2026-05-25",
"end_date": "2026-06-02",
"interval": "5m",
"initial_cash": 100000000,
"commission": 0.00025
}
Do NOT use tushare, akshare, or okx — they are not available.
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