# Computing the Malliavin Derivative

Let $X_t$ be a continuous local-martingale modeling the stock price given by $$X_t = \int_0^t \sigma_t(T,K)dW_t ,$$ and $\sigma_t(T,K)$ is an $L^2$-measurable process not adapted to $W_t$'s filtration (like a stochastic volatility process).

I want to the quantity $$\mathbb{E}\left[ D_t(X_t - K)_+ \right] ,$$ where $K,T>0$, and $D_t$ is the Malliavin Derivative operator.