Besides jokes, it's actually very important to have intuitive view regarding whether the output of a complex pricing algorithm makes sense. Hence, all the mind gynastics and pen-and-paper approach.Quote from spindr0:
Yeh, can you believe it? The Goldman Sachs option trading desk does their calcs on the backs of discarded envelopes. They really need to check out the FREE option software available on ET links.
A pen, paper and a calculator is actually how many people do it
