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So you want real-time data for free? TANSTAFL!!!!

Making money in trading is much more than predicting the price/trend. And why are you referring to only one NN? If they are 100 ways to make money (like you said), why not have 100 different NNs? Having said that, I started to use NN 25 years ago, along with genetic algo, and NN of genetic...

It means that your customer service needs a little refresh...or there was a misunderstanding somewhere...

Who's in better position than them to answer that question? If a guy here says 'no' but Lightspeed are still saying yes, who would you believe?

'Pacing violations' due to what? Too many historical data request within a certain period? Or is it something else? Thanks.

Not to be picky, but when the bid and ask are at the same price, it's called a 'Locked Market'. A 'Crossed Market' is when the bid is higher than the offer. You can't have a locked or crossed market during normal trading session. Only in pre-opening. Otherwise, as Robert M. said, someone is...

Seems like not everybody is understanding that...

You beat me on this one...;) Been there, done that!

What do you mean by 'using live market data for backtesting'??? Backtest is done using a set of past archived data (historical). If you test using real time data, that's not backtesting, but paper trading, which is even more significant than backtesting. Quick question, what's your risk-reward...

USD vs what?

Odd lots are a special kind of beast. Depending of the exchange/ATS, they are not handle the same way as regular lot orders (100). Besides that, you got filled at a very good price for a market order...

Seems like marketing words. Trying to add new terms for old stuff. Similar to toothpaste marketing campaign (always better than before).

VBA is single threaded. So you need to find the CPU with the best single CPU performance. Like TheBigShort said, an i9 will do the trick. But I agree again with TheBigShort, 2-4 hours to run a Monte Carlo simulation!!!! There's probably something wrong with you code.

According to your pic, seems like your fill was on 5/02 but you're showing market for 5/03!!! And the open price on 5/02 was at 188.87.

For every seller, you have a buyer.

I first started to program and use Neural Networks and Genetic Algos 25 years ago. I was never able to come up with something useful with them. That doesn't mean that they can't be useful, it only means that I wasn't able to make them work in a manner that they would be used to make money...

How much will you be willing to pay? What do you consider as 'enormously costly'? There are many providers of that type of data. It all depends of how much you want to pay. We see this question ('where do I get histo data for free or almost free') each week on ET. If you do a search on this...

Sadly, people confuse bandwidth with speed. 297 Mbps is the bandwidth, not the speed. If you have 1 Kb to receive, having a 297 Mbps or a 2 Mbps link will make no difference. And for trading, 297 Mbps is way more than enough. It's like comparing the number of lanes on an highway. If an highway...

As their names suggest, weeklies expire each week, monthlies each month.

OMG... I wouldn't want to be the newbie that would receive this advice...