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Simplex Investments is a Chicago, IL-based company in the Financial Services sector.
Harborcapital is a Boston, MA-based company in the Financial Services sector.
Over thirty years ago, Optiver started business as a single trader on the floor of Amsterdam`s European Options Exchange. Today, we are a leading global electronic market maker, focused on pricing, execution and risk management. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies. Our independence allows us to objectively improve the markets and provide efficiencies for end investors.
online brokerage services inc is a Whitehouse, OH-based company in the Financial Services sector.
Investment Planners is a Decatur, IL-based company in the Financial Services sector.