Carry
— 持有收益 ★★★ 在 rates / credit / FX 上证据最强 (Koijen et al. 2018)公式
Carry = (asset_yield - funding_rate) / vol 或: 期货空间 = (front - next_contract) / vol
资产具体定义
- equity: Dividend yield + buyback yield − risk-free
- rates: Yield-to-maturity − short-end rate (slope)
- credit: OAS − default expectation
- commodities: Roll yield (front-back contango/backwardation)
- cash: Short rate vs reference
更新频率
monthly
Crash 模式
Carry crash: 高 carry 资产同时垮 (2008, 2020)