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Hi What software is available that has intraday options backtesting data? I've tried optionnet explorer but find it a bit clunky to get all the Greeks data. I'd also like to get snapshots on the bid asks at specific intervals. ONE only provides the mid. Also, I'd like to download the datasets...

yep, MM managing their books. a lot less liquidity, hence more arbitrary pricing by the MM. At least, that's my take on it.

Interesting ... I've just noticed that ndx does not decay the same as SPX. I. E. It should decay more than it actually is. I wonder if this is due to the ES effect? Could also be differences in iv and how iv is priced in... interesting... I was just doing a comparison using the Optionnet...

the difference in the greeks is when comparing different trading platforms. e.g ToS, IB, TS, etc... same strike, expiry, etc... the only difference being the trading platform that is providing the greek (delta, theta, etc...). I don't think I will get the answer as to the formula they use. eg...

not sure i agree with that. I view them as data sets and part of the 'language' by which we use to determine and assess our trades. Likewise, many books (and courses) have been written about how important it is to understand the greeks. It makes sense that the greeks should be consistent. We...

yeah, i've noticed that the greeks are different in different broker's. e.g IB vs the other smaller shop I use. I've actually asked about what exact formula they use but couldn't get the answer.

Hi, Curious as to how ppl's experience has been in trading spreads in spy vs SPX. Greeks, iv etc... How have you found they compared? Can a successful spy trader move to SPX with the same market feel and trading strategies, or how is it different? Likewise... What are ppl's experiences with...

Why would you say that spy has an advantage in leaps?

checking out RUT today... wow, those are very wide spreads. is it always that wide? puts you at the mercy of the MM when it is that wide.

Yeah, MM play their games but everyone wants to make a buck and MM provide liquidity. Sometimes I try a different strike ...

So when you said anecdotally were comparing to SPX? I have noticed that the spreads for the equivalent number of QQQ contracts to ndx seems pretty good. Especially since QQQ options seem to have wider spreads. If a person can trade ndx it might be a good way to go.

I thought since it is basically QQQ * 40, that the pricing would match that. I guess the market makers widen the spreads on big moves?

Thanks. On a similar note, any trade ndx? Seems like a good way to trade the nasdaq. Qqq spreads seem wider than ndx... Of course, there is the lot size difference.

Any update on the policy? Does this hurt retail traders?

Hi So I'm looking at trading SPX options instead of SPY options. I've done research in comparing them. What have been your experiences in trading the two? What did you learn when you started trading SPX compared to SPY? Anywhere to get more research and reading material on trading SPX? Thanks

interesting... with spreads as wide as they are LEAPS (especially less liquid names), sounds like the spread game is even worse on these products. i.e. underlying has move a lot before the position is profitable

With options, the market makers set the prices and they have to manage their books. They will buy and sell as they see fit. It helps to understand the behaviour of the mm of whatever stock/underlying you are trading (eg nflx). I believe (and if someone More experienced can confirm) there are...

So what if a person can be an accredited investor (imo, just a fancy term for a larger account size)? How does one get access to them otc? I'm also guessing they are not very liquid ... Has anyone here traded 5 years leaps before?

Hi, I've read about them in the past in Schwager's market wizards. (eg 5 or 10 expiration dates) How does one get ahold of these? I've called IB and looked around but don't see them anyway. The expiries don't match the the OCC's list. Are these a special item?

I understand that part but if I just sold OTM calls, I wouldn't be short until I actually get called on the contracts. " If the stock has halted, they can't buy you in.", then wouldn't i just be short the calls? do you mean i can be charged interest on being short the calls? thanks!