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A comment on Staff Report on Algorithmic Trading in U.S. Capital Markets [pdf]. Parent comment
Plus you can trade at sub penny all day long. You just can't quote. So I don't think that hinders price discovery one bit, even on SPY trading at $350
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Plus you can trade at sub penny all day long. You just can't quote. So I don't think that hinders price discovery one bit, even on SPY trading at $350