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you could research market making logic. some inputs are volatility holding time current position desired position liquidity risk tolerance

only trade the system when volatility < N

that pic is bloat. What is really depicted is 1) data access 2) persistence 3) messaging 4) scheduling the rest is basic IT/programming infrastructure things

95% edge? with $185,000 you get ... .95*(ln(185000+ X)) + .05*(ln(185000-X)) maximize it by taking derivative and solve for X ... .95/(185000+ X) - .05/(185000-X) = 0

singleton is fine for this but might not help because usually database libs already have builtin connection pools, timeouts, ... you're assigning the same Database obj to each instance which is what you want. $this->mysql = MySQL::getInstance(); //assigning a Database obj to each instance

i like erlang/otp and the fault tolerance/ scalability it provides. i wrote an automated system using that model in java and it worked well

appears cboe runs from NY5 Equinix data center in Secaucus, New Jersey https://cdn.cboe.com/resources/membership/US_Equities_Options_Connectivity_Manual.pdf and why would risk checks be done at the exchange data center? risk needs to be checked against something, and that something is probably...

risk checks can be drastically different depending on who does or doesn't do them. Unless you meant the same condition only being the speed of light

google execution services and plug into a good infrastructure. And brokers do matter if they are risk checking your orders prior to submitting or generally slow in reporting fills.

ivolatility and livevol do this. probably bloomberg as well.

has profit/trade kept up with inflation? or has it been stagnant.

take a look at apache parquet and if you use python then this package pystore

cool. then it can be automated unless there is beauty in the eye of the chart holder

Then what is an exchange? The city's where exchange firms are located offer deals that make moving a cost. I think nasdaq bought OMX software years ago to run it. And then licensed the same exchange software to other countries for them to run... exchange in a box. There are so many crypto...

curious if it is possible to buy the exclusive rights of a product from the current listing exchange. ie., buy the cboe vix product and have it trade on the cme. An exchange itself is just a software program so not sure what exchanges really offer; the users and liquidity are the product

openssl create your own in a few seconds

https://www.elitetrader.com/et/threads/need-automated-twitter-bot.359002/#post-5393594

pycharm is an editor (IDE). you do not need it to run a python script. Just open up commandline in windows and type python <your script name>

1996 millionaire is 3X more than a 2021 millionaire

certifications, coding academies, and useless degrees are cash cows for the providers. And might be a negative as viewed from an employer. Want to learn "data science" get a degree in math, statistics, operations research. Those training classes will teach you how to ignorantly use a pre-canned...