It isn't the market maker. It is sellers. If someone sells with a limit within the spread of a market maker, the market maker MUST buy the shares. If a seller sells at market, the spread doesn't matter.
All market makers do is facilitate trades between sellers and buyers. They don't give a rats ass what the price does, because the only money they make on shares is on the spread, BOTH WAYS. From the seller, and to the buyer. They trade at 5 decimal points, we are at 4.
Each mm has their own spread. If you sell at some mm's bid, they have to buy them. If you buy within their offer, they HAVE to sell them to you.
It is SIMPLE.
There are a lot of traders that simply don't know how to trade to keep from affecting share price. Any buy or sell at market of any size WILL jerk the price around. Has absolutely nothing to do with MM's.
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