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Quantitative analysis and insights into related markets enable us to make competitive markets in even the most complicated products. Technology is at the core of how we approach trading, and we consider ourselves as much a technology company as a trading firm.Jane Street is a quantitative trading firm that uses innovative technology, a scientific approach, and a deep understanding of markets to guide our business. We are a global liquidity provider and market maker, operating around the clock and around the globe, out of offices in New York, London and Hong Kong.Jane Street is one of the largest ETF liquidity providers in the world.