CORRECT! Once the option closes at expiration at least $.25 ITM (I think that level is correct, but it may be different) The option will be exercised. That being said you will be on the hook for the difference between the strike you SOLD and the expiration price. The Stocks you have will probably be assigned to cover the shortage.
I wrote ITM GE calls (22s for november) and they have not been in the money for quite some time Infact they are gonna expire worthless for the buyer. Horses for courses.
lol could you imagine of someone buys a large number of call options and makes the assumption it will expire worthless (and assume options never get assigned automatically for buyers) only for it to be ITM by 1 penny and they check their account on monday to see a big ass portfolio liquidation I know they use the term "You have the right but not the obligation" but they should add a little disclaimer for the noobs who buy contracts.