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Not in my experience. Most HFT shops only pay if an order fills; and if they are adding liquidity to stocks, they get a rebate. If your messages/fills ratio g
by HockeyPlayer 16y ago
Not in my experience. Most HFT shops only pay if an order fills; and if they are adding liquidity to stocks, they get a rebate.
If your messages/fills ratio gets REALLY wacky, the exchange might complain.