AAPL1504L85 is the way we write our options and can differ from other websites or brokerages.
Our options are written: Symbol Year Day (Call or Put and Month) Strike Price.
Call or Put and month:
A – L are for January – December Calls respectively
M – X are for January – December Puts respectively
In the example above AAPL1504L85 is an AAPL 2015 December Call for $85 strike price.