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因子逻辑
财务因子 · 偿债能力：归属母公司股东的权益相对于带息债务比率，取平台表 cn_stock_factors_financial_indicators 的 parent_equity_to_interest_liab_lf 列原值。BigAlphaToolkit 的分析模板取其相反数（-1 ×，值越小越好）；这里登记与分析的是原值，方向看 IC 符号。
BigQuant SQL
SELECT date, instrument, -1 * parent_equity_to_interest_liab_lf AS factorFROM cn_stock_factors_financial_indicatorsORDER BY date, instrumentbq examples new strategies/multi_factor.py bqf_10539_strategy.py --name '归属母公司权益比带息债务 选股' \ --set 'TABLES=["cn_stock_factors_financial_indicators"]' --set 'FACTORS=["parent_equity_to_interest_liab_lf"]' --set 'HOLD=30' \ --set 'EVERY=20' --set 'BENCHMARK="000300.SH"' --set 'START="2021-01-01"' \ --set 'END="2026-09-23"' \ && python bqf_10539_strategy.pySELECT date, instrument, parent_equity_to_interest_liab_lf FROM cn_stock_factors_financial_indicators带入当前因子，在 Cowork 中继续研究。
from bigquant import factor
values = factor.values(["BQF_10539"], "2021-01-01", "2026-09-23")report = factor.analyze( values, start_date="2021-01-01", end_date="2026-09-23", universe=("all", "hs300"), neutralize=(None, "size+industry"), depth="deep",)report.render()