https://www.interactivebrokers.com/campus/trading-lessons/ibusopt-pegged-to-best-order-type/
IBUSOPT Pegged-to-Best Order Type | Trading Lesson
Apr 26, 2023 - The IBUSOPT Pegged-to-Best order type is useful for investors to direct nonmarketable or liquidity providing orders to the IBUSOPT order destination...
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