I am trying to buy a stock that is $307 bid and $312 offered. I placed a buy limit order for 1 share at $307.10. However, the best bid remained at $307.00. After an hour, the best bid is still $307.00. Why didn't my limit order become the highest bid?

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1 Answer 1


Odd lots (less than 100 shares) are not covered by NBBO regulations and they do not update the quote. Read this.

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