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I am not familiar with trading calendars, but assuming you're trading US equities, the SEC regs require margin coverage by expiry -- that would leave your shorts (the $15s??) as uncovered -- that will be the margin to be hit. So, if we're voting, I'd go with 2. $15*100,000*2% against the -...

Okay, outside of the fact that you stated you were shopping for a broker based on volume and wish to ignore the fact that IT DOESN'T MATTER, there is also the fact that the numbers you see WILL BE MEANINGLESS. Take a limited example: a broker claims "We execute 59% of all U.S. volume..." who...

https://www.interactivebrokers.com/en/index.php?f=2227 [navigate to "Industry Sponsored" -- the top one is Short Option Strategies -- just what you want.] There are very few people I would recommend over Russell Rhoads for basic info. He *majorly* de man. And he has a bunch others that that...

I can see how that might sound like a sensible idea, but it's got nothing to do with how your trades will do, or how you yourself will do as a trader. Nothing. Nada. Zip. But I'll tell you this: think about how much you trade (or *intend* to trade) and then go out and look at all the different...

1) Prepare the trade to roll that FUT to the next expiry. 2) SELL 990 Mar17 call for ~$250.* Rinse; repeat. * "Who knows??" I got ~$250 for Mar17 and for Apr17, so something is a'funked with this data stream (to which I do not subscribe...)

You've pretty much nailed it right here. As well, though, consider that "newbs" are very costly customers to hold, relative to the amount of trading (commissions-generation) that they do, and to the amount of "bank" they bring. IB *started* as a wholesaler (clearing firm), went into...

Yep. And again, "thin markets" -- if you program without taking IB's default of going with *any* valid price, if yours is not, you get tagged. Not IB's fault. The coder has to know their market, *and* their vehicle.

Let's call this "lined-up".... Now, I'd say that's pretty fair evidence, wouldn't you?

Lots of detail unavailable to us, but from my own experience, in a thin market, if you put in a buy-at-bid or sell-at-ask limit order, your order will be brought to market at the only valid price that IB has -- which would be the other side. Same thing with an "invalid" price (e.g., a negative...

When you can come to grips with ideas like logic and high-fallutin' concepts like high school Newtonian physics (and all the troubling little notions like thermodynamics with which the rest of us (in a land called Reality) have to deal), then maybe you can come around to the fact that while...

Thanks, KCOJ. Monday might be nasty for me, but I'll see if I can (soon) put up a current chart to show what I mean.

Slippage brutal at IB?? Yeahhhh -- errrr, no. I once met a guy who *insisted* that IB traded its own book before it went to market, and that someone else cleared their trades. This person -- even after hearing that IB *started* as a clearing broker (Peterffy's Timber Hill, etc) -- has kept this...

Your reading comprehension suffers as well. Each of my responses was couched in logic, engineering, or economics. Try again. Read slower. Think.

"Really?" You might want to think to yourself how "Prove it." might look a year or two or five from now, when all anyone need do is look back up the page, to see you have posted nothing but unsupported assertions. Pause a sec. Don't write "I'm not an engineer." Pause. Think.

Ehhhh. As it stands, there is no logical, engineering, or economic basis for your conclusion.

Yeah, fresh water is only 2 percent of the Earth's total and half of that is polluted. It has already created a lot of flash points in India/China and Venezuela. I wonder what will happen in China and India in 20-30 years when they have more people than they can support with their agriculture...

Ehhhh. As it stands, there is no logical, engineering, or economic basis for your conclusion.

Your post contradicts itself -- you blame std deviations both for changing and for not changing -- for responding to new info, and for being unresponsive. And as Globalarbtrader noted, this would be an issue, whether you used σ or ATR. No matter the tool used to quantify your intuition, *you*...

This is from an IB QuoteMonitor page, off-loaded to a .csv, and imported into an OpenOffice spreadsheet. Takes me about 3 minutes (maybe) from data-to-hard-copy; I'm shopping for ways (INCLUDING PYTHON) to get it done in real-time. My own demands are for two different databases, being two...

I developed a spreadsheet like this (ergo: "spreadsheet thinking!!" Eeeek!!) At any rate, I would create the entire mess, and shop for patterns that I would like to test-for and play with, rather than write-one, test, record, write-second, test, record.....