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Actually, I don't think you can impute that this correlation has broken down from your graph. Maybe try looking at a scatter plot of logs of both and check where the recent points are?

Well, would you deny that (a) his personal business record is rather spotty, considering the resources/access he was provided by his dad and that (b) his political performance has been a comedy show so far?

When you mean "series", do you mean closest-to-atm fixed strike? I.e. approximately index implied over mean single implied or do you mean something else? It's actually a tricky question, as both implied and realized correlations are multiply defined. For example, if you are using ex-post...

Right. I will definitely check it out when I get a chance.

In fairness, there is nothing wrong with a bit of data dredging if you are correcting your statistical significance properly (Bonferroni correction is the easiest one, albeit rather conservative).

No, I have not (though I have heard that their infrastructure has improved significantly). Maybe I will check it out tomorrow. I do have access to BBG options database and their vols/greeks are fairly accurate. S&P index is a market-cap weighted based of stock and those stocks do pay dividends...

Having looked at your data some time ago, I'd not go as far as calling these numbers "greeks" :P

Monkeys actually know their stuff...

I love TensorFlow but I think you should register as a vendor before engaging in self-promotion here :)

"He is such a pessimist - when he bought a put/call combo, the legs added to 90 delta"

Actually, there are exchanges out there that treat futures options as deferred premium - i.e. you post some initial margin against the premium, not the full amount and true-up daily (same way you'd do with a futures).

Intuitively, all of these "stablecoins" should trade at some discount to parity due to inherent credit/entity risk. The smaller/dodgier that "stablecoin" the larger discount to parity should get. You'd also expect the creators to build some form of gating into the redemption process so people...

I hear there is a state down south where this concept originated. They also voted for Trump

It's guaranteed you gonna die, you might get missed For maybe 2 or 3 hours, 'til they light their spliffs

So far nothing you said has any practical application, it's the usual ET-babble. There is obviously a lot of nuance in synthetic vs cash ownership such as voting rights, the treatment of the corporate actions etc. For most retail traders such as yourself these details are irrelevant and there is...

In your view, what is the difference between a synthetic and outright option? Not a psychological difference in terms of "owning the underlying" but an actual, tangible and practical impact. Personally, besides some possible transaction cost differentials and maybe some tax considerations, I...

On an unrelated note, the theory of hedging your output with futures is somewhat different from the reality when dealing with agricultural commodities. A lot of the "commercials" that grow the product actually want to be long the futures. While it's counterintuitive, it makes more sense once you...

I'll share some of mine, obviously :)

Do you mean for margin purposes? Shorter-dated stuff would be indeed discounted using the appropriate OIS. Longer dated stuff would frequently trade as deferred premium (i.e. you agree on forward exchange of premiums from all 4 legs) so discounting does not really matter much. As long as you...

A trader has to really like cookies!