← 返回数学题库
3694随机过程中等derivationlong

Density Tilt Lifting a Negative Drift Above Zero

题目

Under P, a factor satisfies dX_t = -0.2 dt + 0.4 dW_t. A new measure Q is defined by W_t^Q = W_t + theta t. What theta makes the drift of X under Q equal 0.1?

解题计时

0:00

提交作答时记录,用于后续平均用时统计。

你的答案