Quote from Maverick74:
No he didn't. By adding the extra assignment issue the whole argument changes. For the record, I'm not trying to be a dick and I'm not directing this at you. I worked at a prop firm for 7 years that traded options and very few guys understood this concept. I am going into detail here not out of ego, but to explain to others who are reading this thread and want to know why I would make the comment that IWM is much more preferable to RUT. Even you in your first post asked why I would possibly say that. It's perfectly obvious why someone would say that if they understand the parity argument. That's all I'm saying.
This was your first question: