Thanks for your feedback digitalnomad. I'm happy you liked my article. You wrote: "The “training” thing I disagree with 100%. You can’t train the...
Clearly, you have not read the article sle. You definitely should. It exposes the dangerous vanity of quants who don't understand the severe...
“I can calculate the movement of the stars, but not the madness of men.” - Isaac Newton In this introductory article, we explore three types of...
Compared to SPX options, I have found ES options to be: 1. Less liquid. The Asian session is the worst so not much of an advantage there. 2. Have...
It's true that the bid/ask spread of SPX weeklies is always narrower than what you see on your screen. Same is true for the AM settled monthlies....
Nope. The monthlys expired yesterday and the settlement value, SET, was determined at the open today. He's talking about the weekly SPX options...
SPY going ex-dividend is yesterday's event risk. Traders have already flattened those positions by yesterday's close. I had an iron butterfly...
If disseminated quotes get tighter because of electronic trading, the increased transparency should attract more order flow, which in turn should...
Where are all the cost savings going after you kick the traders off the SPX pit and make trading electronic? The evidence over the last decade...
Why do you doubt the spreads won't narrow even if everything becomes electronic? Is it because the spreads are already as narrow as they can get...
Trading is a very hard craft and I'm painfully aware of my imperfections. But the topic of this discussion is not my performance or abilities but...
Backtesting? I trade options spreads for a living and have been doing so for almost a decade. That's when you realize how a little mathematical...
I'm not sure I understand your point either. The quirk is the flaw. There is an actual hole in the volatility surface and it was not possible to...
I think the only good reason that AM settled options are still around is that it enables pit traders on the CBOE to make a killing from...
The mathematical flaw has to do with the volatility surface implied by the previous SPX/SPXW series and is clearly exposed by a simple, consistent...
It was not only byzantine but deeply flawed mathematically and commercially. I had emailed the Director of CBOE on October 29, 2015 expressing my...
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