“…These kinds of options include standard calls and puts caps and swaptions. We have also proven that this property also holds for barrier options, and Bueno-Guerrero et al (2018) show that it is also valid for Asian options. Moreover, we have made calculations not explicated here, with other exotic options, such as power, call on max, call on call and log options, giving all of them as a result the equality X ¼ D t;TÀt X s t;TÀt ð Þ 1 T¼t , and, therefore, hedging portfolios without a bank account part.…”