Each strategy includes an illustration demonstrating the
effect of time decay on the total option premium involved in the position.
I continue to be very slow to raise our strikes further, so I don't anticipate a great
deal of time decay in that position in the event of a further market advance.
It is a
balance of time decay (which is really fast) and trading cost including both commissions and spread.
The call sales capture the rapid
part of the time decay curve and also provide some cushion against market volatility.
Following a rules - based trading approach, we sell short - term premium to take
advantage of time decay and to offset risks created by our long equity positions.
That would allow a more constructive investment exposure to any rebound, and maintain a significant defense against further losses, at the potential
risk of time decay if the market was to move sideways.
Now, two months later, let's imagine XYZ is still at $ 50 but the option has declined to $ 0.25 (because two
months of time decay has eroded its value).
For the ITM case, it's the same
kind of time decay, except that intrinsic value does not decay.
In this white paper we examine the topology of legal disputes in three dimensions and explore
issues of time decay, or «litigation theta».