Monday, August 24, 2009

Duration hedge of bond portfolio [practice, market] | Bionic Turtle

Two good duration questions:

Duration hedge of bond portfolio [practice, market] | Bionic Turtle:
"...highlight the deficiency of a duration-based hedge: if it’s one-time (i.e., not dynamic rebalancing), then we know it has limited efficacy because duration (by definition as a first partial derivative and single risk factor) assumes a small, parallel shift in the yield curve. A one-time hedge (as below) can hardly be expected to perfectly immunize the bond portfolio - David"

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