Darragh Kelly
Ton up Member
Hi,
Regarding Q16.1(i) from the notes I have a question on proving Xt is a martingale. I follow the proof right until the last line/statement.
For proving Xt is a martingale, how can we say v^T*ER[C|Fs]=Xs? Can someone explain this? C is a random variable at T>t ?
Thanks,
Darragh
Regarding Q16.1(i) from the notes I have a question on proving Xt is a martingale. I follow the proof right until the last line/statement.
For proving Xt is a martingale, how can we say v^T*ER[C|Fs]=Xs? Can someone explain this? C is a random variable at T>t ?
Thanks,
Darragh