I'm sure there are those times when a retail guy is somehow connected to the market maker, they get it on and do some really dumb things that are regulated to the kilt against, far as I have it, a retail guy cannot trade with a market maker under the bid. Leaving out consent via preferred or something of the likes.
Put them up, lets see how it goes. If there could be something to learn I'm all for it.
Disclaimer: Everything I post is opinion and is not to be taken as investment advice. You make your own decisions based on your own judgement. Do your own DD = 'Due Diligence' = Your trade, Your responsibility.