lobster
Unverified Other strategy on Multi by rubik. BotFinder score 18 out of 100.
A fast in-memory limit order book (LOB).
Source: github
BotFinder analysis pending.
lobster
Lobster A fast in-memory limit order book (LOB). Quickstart To use Lobster, create an order book instance with default parameters, and send orders for execution: Lobster only deals in integer price points and quantities. Prices and quantities are represented as unsigned 64-bit integers. If the traded instrument supports fractional prices and quantities, the conversion needs to be handled by the user. At this time, Lobster does not support negative prices. More information can be found in the documentation. Quantcup The winning quantcup submission is at the moment up to 10x faster than Lobster. While Lobster can surely be improved significantly, some design choices by necessity make it slower. Here's a non-exhaustive list: 1. The Quantcup solution holds all the possible price points in memory, whereas Lobster uses two BTreeMap structs that hold price points on demand. The performance boost of holding all the price points in a contiguous data structure on the stack is massive, but it's not very practical: the array is indexed by the price, so it can be huge (imagine implementing an ord
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