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Question is quite simple, what is the probability of getting a fill for:

(i) a limit order of size - $s$

(ii) that is $\Delta$ away from the mid-price

(iii) in the next $t$ minutes

given empirical data of the market orders (prices and sizes of the fills, as well as the time of the fills). I think the Poisson process is useful here?

I have found this. Although it asks this question for the longer-timeframe, I suppose my question is a generalization of that question.

I would like to know this to optimally place the limit orders with varying sizes at varying distances from the mid-price to obtain the largest expected value of the fills. It would also be useful to know the expected order size at a given distance from the mid-price.

Also, according to this, what I am attempting to do might be nonsensical? And I should just base placing of the limit orders on game theory?

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