FIX is messaging protocol for trading -- what exactly do you say it's "architected to be" if not for trading? A major advantage of FIX is that you...
There are many, quickfix being the most common but some semi-commercial ones as well -- any search engine will turn them up.
Rather than a platform API, one can use the open-spec FIX Protocol and achieve almost total broker neutrality. FIX is likely to take a bit more...
The answers to this question depend on the security type and country. For US equities, market microstructure is extremely complex; hence, so is...
I disagree -- YouTube is part of Google, and why give Google ever more money and power? Even if Google were perfectly beneficent (which IMO it is...
Yes, it started on Monday with only 10 stocks and will increase throughout the month; the FINRA lists are linked off of this page:...
Island and Nasdaq are the same thing, at least in the context of US equities exchanges. In 2005, Nasdaq bought Instinet (which itself had bought...
The 5c tick pilot is not for penny stocks -- it's for smaller-cap stocks that are above $2.00 initially (although they'll remain on the list...
You seem to have this reversed -- distributed systems can be made resistant to disruption of any one node (in fact, that was the whole motivation...
Yes it is. Post the full options symbol, the exact times (to the second), and your order details (price and size); and then it will be possible...
You could route your liquidity-adding orders to IEX or CHX, both which charge nothing for data. If enough liquidity-adding order flow were to...
FYI, the complete list of all securities for all exchanges can be found here:...
Good posts, thanks. Another contributing factor is the ultra-low interest rates, which make it very easy for a big company to snap up quality...
You can also end up paying $199,999.00 for a $2.00 stock with a market order. All it takes is one "flash crash" or "flash dash", and your entire...
I'm sure you're right -- I'm told by a reliable source that most HFT's don't really like it when some new tech like that comes along, because it...
I got my numbers from the sales teams of the respective providers. The price you're quoted usually depends on your AUM (amongst other factors),...
There are several major news services (Bloomberg, Thomson Reuters, Dow Jones) that provide low-latency feeds of their own news with prices in the...
The hunredth-of a-cent "price improvement" is part of the retail broker/wholesaler "payment-for-order-flow" system, a bizarre arrangement...
I think he's just urging caution, at least until you can make a very informed decision. In day trading, the transaction costs really add up, and...
IMO a big source of the debate surrounding trader "failure rate" stats is that they depend on the pool you're drawing from. "Bucket shop/retail...
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