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backend/.env.example
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backend/.env.example
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# ---- Database ----
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# MVP 默认 SQLite,零配置即可跑
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DATABASE_URL=sqlite+aiosqlite:///./stock.db
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# 切到你自己的 PostgreSQL(TimescaleDB 是 Postgres 扩展,目标库执行 CREATE EXTENSION timescaledb; 即可)
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# DATABASE_URL=postgresql+asyncpg://user:password@localhost:5432/stock
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# ---- 真实数据源(Tushare Pro;免费版即可。留空则仅 DEMO 合成数据可用)----
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TUSHARE_TOKEN=你的token
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DATA_ADJUST=qfq # 复权:qfq 前复权 / hfq 后复权 / 留空不复权
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DATA_DEFAULT_START=20200101
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# ---- A股交易成本(基准日 2026-08,可覆盖;详见 app/commission.py)----
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# STAMP_DUTY_RATE=0.0005 # 印花税 0.05%,单边卖出
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# TRANSFER_FEE_RATE=0.00001 # 过户费 0.001%,沪深双边
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# COMMISSION_RATE=0.0001 # 佣金 万1
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# COMMISSION_MIN=5.0 # 最低 5 元
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