Deletion of VPIN

Comment: First of all, thanks goes to the nom for bringing this to AfD. Not enough people patrol PRODs for lack of action to be a reliable guide of article deficiency and this one certainly has enough sources to be a controversial deletion.  A GScholar search for "volume synchronized probability of informed trading" nets 67 results, including a few secondary sources, such as http://www.sciencedirect.com/science/article/pii/S2173126812000344 From PIN to VPIN: An introduction to order flow toxicity and ''Bethel, E., David Leinweber, Oliver Rübel, and Kesheng Wu. "Federal market information technology in the post flash crash era: roles for supercomputing." In Proceedings of the fourth workshop on High performance computational finance, pp. 23-30. ACM, 2011,'' in addition to the secondary sources in the article, e.g, WSJ. There seems to be enough content in reliables source to pass notability per  and on which to build an article. The article itself is well-structured, but tagged with neutrality concerns. Fixing neutrality concerns is a matter of simple editing and not deletion; it is a  problem. A notable topic and surmountable article problems suggests keeping the article
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG||WP:SURMOUNTABLE)