The idea of betting with profits is counter to the idea of managing risk. There's no such thing as "house's money." It's all your money as you can always cash in your chips.
it’s been a wild week. Tech names and reopening names swung a lot. I had some names that are 10percent off their highs and now only 3percent off their highs.
I don’t think there are that many funds making billions trading vol.
But more specifically the only guy who might be a billionaire from trading options might be the Susquehanna guy. And even that I doubt.
the arb is if you are short the call and someone doesn’t exercise against you.
the arb on the put is if you are short the put and you don’t get exercised after the div, But that is generally really small as it’s a financing arb.
I did not know that. I remember when the Grasso pay scandal was happening the justification for paying him was that he had made the stock exchange members a lot of money. I know that you had to buy interests in the stock exchange, but i didn't realize that you didn't get a piece of any profits...
All us exchanges are for profit companies. The only difference between a publicly traded exchange and and a nonpublicly traded one is that you can buy shares in the publicly traded one for reasonable sums vs buying a seat or a membership interest for millions.