Optiver has recruited Lawrence Tanzman, a former Citadel Securities trader, as the Dutch market maker expands into handling options trades sent by retail brokerages, a business long dominated by the Ken Griffin-owned firm.
Optiver has recruited Lawrence Tanzman, a former Citadel Securities trader, as the Dutch market maker expands into handling options trades sent by retail brokerages, a business long dominated by the Ken Griffin-owned firm.
The Optiver logo displayed at the company's office in Sydney, Australia, on Thursday, June 26, 2025. Optiver, part of a coterie of high-speed trading firms benefiting from a booming market-making industry, shifted the final batch of its 460-strong local staff into a five-floor glossy Sydney office on June 30.