Probably not, as roll costs are only around 1bp - CPDOs will typically roll into the new index over a 10 day period. Provisional constituents are out from Markit - BAA is on the list
http://www.noelwatson.com/blog/PermaLink,guid,f5c355be-b7ad-4e93-96b1-4dee8b737444.aspx
Some more CPDO documentation...
JPMCPDO.pdf (82.85 KB)
SANDPCPDO.pdf (239.16 KB)
UBSCPDOs.pdf (538.82 KB)