# Tag Info

Basically, if a contingent claim is replicable its value today is the value of the replicating strategy. If you suppose that the market is complete and that there are two equivalent pricing measures $\mathbb{Q}^1$ and $\mathbb{Q}^2$, the price of a claim $A$ is given either by $\mathbb{E}^{\mathbb{Q}^1}\left( A \right)$ or by \$\mathbb{E}^{\mathbb{Q}^2}\left(...