Quick Q regarding adding and removing liquidity

Quote from marwanco:



I'm I missing something?
More...
Yes, actually. It's called the Securities and Exchange Act.
It says somewhere that when you do the kind of trading you just described the SEC comes after your neck.

:)

But even if it wasn't illegal, you'll PAY 0.3 to remove and get paid 0.20 to add... and your gross is 0 (youbuy/sell at same price) so you're just feeding the ECN.
 
Buy and Sell is not same price.
Buy at 4.01, Sell at 4.02
Is this a problem for SEC?

Anybody can shed some light on this.

If both orders are filled, do I get Credit liquidity for both or No.

Second question:
Is it more expensive to trade 10 times 100 shares than one time 1000 shares?
Commission is 1$ per 1000.

Thanks
 
Quote from marwanco:

Buy and Sell is not same price.
Buy at 4.01, Sell at 4.02
Is this a problem for SEC?

Anybody can shed some light on this.

If both orders are filled, do I get Credit liquidity for both or No.

Second question:
Is it more expensive to trade 10 times 100 shares than one time 1000 shares?
Commission is 1$ per 1000.

Thanks
More...
Oh ok then... I misunderstood your last post...

If you're not buying from yourself then there's not a problem...
 
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