3
votes
1answer
105 views

how to define liquidity in equity, index, and etf options

i've heard several ways to put a metric on liquidity of options.. obviously liquidity isn't a constant.. things like the Bid/Asks spread, liquidity of the underlying.. Trying to find a way to ...
10
votes
5answers
446 views

Is it ever possible that---because of illiquidity---exercising an out-of-the-money option is better than directly buying the stock?

Is there a case, where due to illiquidity, exercising out-of-the-money options could be better than directly buying the stock? When a stock is too illiquid, there are some costs because of this ...
5
votes
1answer
174 views

Modeling liquidity effect on option prices

What are practically useful ways of modelling the effect of liquidity on options?
6
votes
1answer
304 views

How do you calculate the implied liquidity of an option?

How does one calculate the implied liquidity of a specific option contract given a set of vanilla puts and calls with various strikes and maturities on a single underlying?