>>1056414 engineering -- made about 250k this year
so far every day has been different so it's difficult to say what my day is like. in general i'll monitor performance of what is currently trading and if something isn't working as well as we expected (in the short or long term) then i identify why and fix it
>>1058236 so you just make a program to dance around trading one lots avoiding orders until you think an order is exhausted or the pricing gets fucked up? do correlations and all that play into everything?
>>1058333 its a lot more than that -- as a market maker we'll always have 2 quotes in the market and normally larger than 1 lot (depends on a number of factors though). i've found that the brokers are more guilty of 'pinging' because they aren't risking their own money.
taking advantage of messed up pricing isn't really market making, though you may profit a lot from a messed up pricing swing if you are lucky. we trade strategies that take advantage of this (as do other firms), but our bread and butter is in mm. correlations matter for some names but its a small part of the puzzle
predicting large orders in the market is what michael lewis wants you to think happens. in reality its difficult, if not impossible to predict how much a single trader (whale) is going to to be buying or selling. you can't discern the signal through the noise. most people play on volume (total, by exchange, etc.) but aren't actively trying to find how much a single large order or orders is going to impact the market (unless of course you are the execution shop splitting it up and trading it)
if you want more insight i've found these posts to be pretty accurate: https://www.chrisstucchio.com/tag/high-frequency-trading.html
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