Why did ZB move while ZN did not?

ZN moves more based on any discretionary decision/comments by Fed regarding interest rates. ZB moves based on any long-term inflationary expectations like CPI report.

Theoretically, that's true, but historically, ZB and ZN have moved nearly in sync, with ZB moving about 1.5 times more than ZN due to the extra duration. Only this year have you seen significant divergences from ZN and ZB, with ZB outperforming by a lot over ZN. A sharp flattening of the yield curve while short rates are at zero is unprecedented.
 
So yesterday (June 6th, 2014), announcements were made for both the 10-year and 30-year note, and I noticed that the 30-year moved quite nicely while the 10-year did not, can someone explain this to me?:confused:

thanks in advance

I don't know your definition of "moved quite nicely" but both did have equal number of volatility spikes on Friday. The main difference was that one was able to make new highs in comparison to Thursday prices and the other was not...nothing unusual about that (happens several times every month involving highs or lows).
 
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