What price is used when there're opposing orders from investors?


IE aggregate orders from investors when executing them, are opposing orders matched (reducing spread) when aggregated?

For example, if an ETF is trading at bid/offer of 100p/200p, and an investor has a buy order of 1 share for this ETF, another investor has a sell order of 1 share for this ETF. Would these orders execute at the mid price of 150p or would sell order execute at 100p and buy order execute at 200p?

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Hi @nvng. Unfortunately are unable to tell you how the spread is calculated since we have no part to play in how the spread is determined