Hull Trading Company
| Company type | Private |
|---|---|
| Industry | Financial services, Electronic trading |
| Founded | 1985 |
| Founder | Blair Hull |
| Defunct | 1999 |
| Fate | Acquired by Goldman Sachs |
| Headquarters | Chicago , United States |
| Products | Market making, Algorithmic trading |
Number of employees | 180+ |
Hull Trading Company operated as an independent electronic market maker and algorithmic trading enterprise headquartered in Chicago. Known for its data-driven and technology-centric trading methodologies, the firm was acquired by Goldman Sachs in 1999.
History
During the late 1970s, Blair Hull created an empirical model for pricing options, distinct from the Black–Scholes framework. Foreseeing the rise of automated exchanges and quantitative securities valuation, he established Hull Trading Company in 1985. The organization grew to employ more than 180 professionals, including financial engineers, physicists—many affiliated with Fermilab—and nearly 100 software developers and support personnel. At its height, Hull was responsible for executing over 7% of U.S. index options trades and approximately 1% of transactions on the New York Stock Exchange.
In 1999, Blair Hull finalized the sale of the company to Goldman Sachs for $531 million. Then-CEO Henry M. Paulson referred to Hull Trading as "the world's largest electronic options market maker," emphasizing its international operations and strategic importance in advancing Goldman Sachs' position in global electronic trading infrastructure. This acquisition marked a pivotal transition toward digital trading platforms within Goldman Sachs.
Investment strategy
Specializing as an equity options market maker, Hull Trading leveraged sophisticated mathematical frameworks to identify transient pricing inefficiencies while maintaining risk hedging strategies. The firm employed mathematicians and physicists to design algorithmic models, which were implemented by a dedicated team of software engineers.
Technology
As an innovator in integrating computing technology with listed derivatives trading, Hull developed a proprietary distributed system architecture that was scalable and capable of real-time pricing, risk assessment, market making, and interfacing with automated exchanges for options, futures, and equities. This technology supported both domestic and international markets amid the emergence of electronic exchanges. Additionally, custom handheld devices enabled execution on traditional trading floors.
This proprietary infrastructure allowed the company to process tens of thousands of trades each day.
Pay structure
The organization fostered a culture of collaboration paired with a merit-based and democratic compensation model where employees awarded bonuses to their peers. Equity ownership was widely shared; at the time of merger with Goldman Sachs, over 20 employee partners collectively held around 25% equity, while the Hull family retained the majority stake.