We'll have to agree to disagree. At least we agree that it's a $30,000 profit. And you closed out your position with a $10,000 buy. My calculator says that's a 300% profit.
And how do you get $40,000 ADDED to your account and LOSE buying power?
"The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing."
-- Albert Einstein