Comparative Analysis of Futures Option Characteristics in Spot and Futures Markets Between Asia and Europe: Validation of Put-Call Parity and the Role of Market Volatility (T. Nadeak, T. Heryana, W. Utama, H. Nugraha, & M. Sari , Trans.). (2025). West Science Social and Humanities Studies , 3(01), 01-09. https://doi.org/10.58812/wsshs.v3i01.1571