<t>Well I'm assuming that a one swap basis is a basis swap i.e. 3m float vs 6m float and two swap is the difference between a swap fixed vs 3m float and another swap fixed vs 6m swap. However it is nowhere made clear - HELP HELP didn't help and cannot find on google. I was hoping someone could confi...

Hi - I notice that Bloomberg quotes two different types of tenor basis e.g. 3m-6m. In the description it refers to one as a one swap basis and one as a two swap basis. Could anyone confirm what the difference is?

no one knows - i'm not surprised - i think some people have been making stuff up

Yes, as mentioned above, because risk is usually shown aggregated for each curve accross many positions it is very normal to have a mixtures of +ve and -ve PVBPs depending on the individual positions that have been traded on that curve.

FTID, S&P, Advantage data - other options not yet mentioned

In relation to CDS curves what is flat forward interpolation and how is it done? Also what are the advantages over other interpolations. I'm having trouble finding and information on this.Thanks