Carhart四因子

def solve(____):
    market_premium, smb, hml, mom = ____, ____, ____, ____
    beta_m, beta_s, beta_h, beta_mom = factor_loadings
    expected_return = rf + beta_m * market_premium + beta_s * smb + beta_h * hml + beta_mom * mom
    return {"____": factor_loadings, "____": round(____)}