Hi paranoidroid, I understand what u are saying and u make a valid point. However u can't always go by how much stock u can sell online, for instance about three weeks ago from my records the mm's held the same amount of stock as now and u could then sell 275k online. The mm's are always very careful as to how much stock u can sell online. I once asked TDW why I could only sell a small amount online yet I can sell more by phoning, and was told mm's like to have good control of the stock, when the volume of trades going thru is small. From my records including all of todays trades to inc. #27 (trades #16 & 17 is a roll-over) the mm's only now have 6,943 shares (not including any they held before August) providing all the trades today are buys except for trade #'s 19 & 27 which are sells. Notice like I said in my post earlier that the mm's would increase the bid when up to 300k more buys went thru. Well they did, so far since July I've been spot on. To prove my figures are correct if we get no more sells now and say 3 x 100k buys I think u will find the mm's will then increase the bid again and may well increase the online limit to say 100k. Of cause no system is fool proof, but so far my system seems to be working. My system dosen't allow for any large buy/sell orders the mm's recieve though so sometimes can be not as accurate until the order shows.
PS. Just one last point, it could be that mm's only increase the online limit when they have an order to fill. So if someone placed an order for say 1m then they would increase the limit.
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