I was assuming that the seller in this case did not put in an AON order. If he did there might be a problem matching orders for the sale. If the buyer in this case had an AON order for 100 shares the sellers 10 (if best price) would have been picked up along with 90 others at best price.
AON order
https://www.investopedia.com/terms/a/aon.asp
I was assuming that the seller in this case did not put in an AON order. If he did there might be a problem matching orders for the sale. If the buyer in this case had an AON order for 100 shares the sellers 10 (if best price) would have been picked up along with 90 others at best price.
That would be a series of partial fills --- it wouldn't go through.