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Looks like I should have sold my DAL a few days ago, when it was up a decent %. Oh well, guess this one moves from the "Trade" to the "Investment" column.

I hate this answer, but it's also the correct one: it depends. Personally, I've never found much daylight trading 1-min charts though.

Agreed. This stuff costs money to develop and maintain on the backend. If you don't pay in commission, you pay somewhere else. And commission is cheap and transparent.

IB can work with python; you'll need to spend some time learning their API. Trades aren't free though.

I’m certain that it can be done; can take a look later. If not, quickly move your data to R, where I know it can be done.

Backtesting is important, but people often go overboard. Whether or not your algorithm worked in 1930 (or 1980!) will have little bearing on how it does today.

Well yes, I do think he's an expert on this. As to consensus: there is scientific consensus, which != "agreement in opinion" or "models converging perfectly." Scientific consensus is a carefully structured procedural property, having to do with statistical significance, effect sizes, meeting...

Basically, don't think of futures contracts as similar to options contracts. Think of them as extra-high leveraged ETFs. Then, each 25c move in the underlying index costs you anywhere between $1 and $15, depending on the contract. So -- you can buy 1 contract of the e-mini that tracks the S&P...

Why would you post proof? We're all just internet strangers. With 500k gains, I'd get in touch with a tax attorney in your state. It'll cost you more than asking here, but my hunch is that you'll be able to save a lot of money down the road if that's the kind of gains you'll make regularly.

Of course. Probably quite often. But I prefer too much over too little, if I have to choose an extreme. One may limit gains, the other is going to create losses.

If you want a completely unregulated market, go ahead. But when your broker decides to close shop and take everyone's money, or when they send you bad bid/ask spreads and create a nice little internal arbitrage killing field, don't come back crying.

Very cool! It's always great to actually see something you coded work. Now go and automate the PM High stuff ... coding is an addictive little thing; there's always more you'll want to do :)

Ooooook *slowly backs out of this tread*

Wait, how does Biden have the power to shut down air travel? We don't have reliable antibody tests yet that could be mass-deployed. There's also a question about whether antibodies do in fact protect you from reinfection.

And it's not just hard profits. Take some paper plates, thread a wick through a small hole in the middle, and you've got some floating candles to beautify your backyard.

Yes, doing it manually is simple, you just use input: PM_high() at the beginning of your script, and then there should be a field you can populate with the number. Are you using multicharts? tradestation? As for the color differences in the plot: I don't usually write plotting functions, so I...

Anyone could handle this better. Biden, Warren, Sanders, Clinton, Romney, a feral goat, Obama's kids, even that idiot vice president of his. Seriously, anyone and everything on that list could have handled it better, mostly because they'd have known where their lane is, and let the scientists do...

This is much less binary than you imagine it to be. A well-regulated capitalist economy is still free-market capitalism, even if and when governments assist in various forms. Put differently, you can't have free-market capitalism without regulation. Now, there is a debate to be had about the...

Yeah, that's interesting. Would like to see more detail about what they mean by "better fill." I've been happy with IB's fills, but I've been with them for long enough that I don't have much to compare them to.

Brokers absolutely can and should restrict what you can trade from an exchange. A retail broker may want to offer CME's index futures, but not deal with commodities, because they don't want idiot customers to suddenly find themselves having bought 8 semi truck's worth of grain.