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因子逻辑
CERM1 风险模型的残差波动率风格暴露,为个股在该风格维度上的日频暴露值。网页未公开完整计算公式、标准化及正交化细节。
来源:BigQuant CERM1-因子暴露;读取 cn_stock_cerm1_factor_exposure.RESVOL 原值,不取反、不改单位。
BigQuant SQL
SELECT date, instrument, RESVOL AS factorFROM cn_stock_cerm1_factor_exposureORDER BY date, instrumentbq examples new strategies/multi_factor.py bqf_10801_strategy.py --name '残差波动率 选股' \ --set 'TABLES=["cn_stock_cerm1_factor_exposure"]' --set 'FACTORS=["RESVOL"]' --set 'HOLD=30' \ --set 'EVERY=20' --set 'BENCHMARK="000300.SH"' --set 'START="2021-01-01"' \ --set 'END="2026-09-29"' \ && python bqf_10801_strategy.pySELECT date, instrument, RESVOL FROM cn_stock_cerm1_factor_exposure带入当前因子,在 Cowork 中继续研究。
from bigquant import factor
values = factor.values(["BQF_10801"], "2021-01-01", "2026-09-29")report = factor.analyze( values, start_date="2021-01-01", end_date="2026-09-29", universe=("all", "hs300"), neutralize=(None, "size+industry"), depth="deep",)report.render()