本页是 /research/backtest/ 的中文版本。专有名词和代码标识保持英文，以便和包 API 对齐。
回测ing asks whether a strategy survives realistic assumptions. Evaluate out-of-sample behavior, costs, liquidity, rebalance timing, turnover, exposure drift, and implementation details.
This section will expand alongside the future bagelquant-bt package.