Jeong, Minhyuk; Yang, Biao; Zhang, Xingjia; Park, Taeyoung - In: Financial innovation : FIN 11 (2025), pp. 1-23
Put options are known to be priced unusually high in the market, which we refer to as the overpriced put puzzle. This study proposes a quantum model (QM) that can explain such high put option prices as fair prices. Starting from a stochastic differential equation of stock returns, we convert the...