|   Spot price (S)  |       0.5  |    
|   Strike price (K)  |       1  |    
|   Risk free rate (r)  |       0.03  |    
|   Time to maturity (T ? t)  |       2  |    
|   Rho (ρ)  |       −0.5  |    
|   Kappa (κ)  |       0.2  |    
|   Theta (θ)  |       0.03  |    
|   Lambda (λ)  |       2  |    
|   Volatility of variance (σ)  |       0.1  |    
|   Current variance (v)  |       0.01  |    
|   Heston put price  |       0.4463  |    
|   Bivariate put price  |       0.4899  |    
|   Black scholes put price  |       0.4418  |