Inferring future volatility from the information in implied volatility in Eurodollar options: a new approach |
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Authors: | Amin KI; Ng VK |
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Institution: | Lehman Brothers, USA
1 Corresponding author at Goldman Sachs & Co., Fixed Income Research 25/F, 85 Broad Street, New York, NY 10004, USA |
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Abstract: | We study the information content of implied volatility fromseveral volatility specifications of the Heath-Jarrow-Morton(1992) (HJM) models relative to popular historical volatilitymodels in the Eurodollar options market. The implied volatilityfrom the HJM models explains much of the variation of realizedinterest rate volatility over both daily and monthly horizons.The implied volatility dominates the GARCH terms, the Glostenet al. (1993) type asymmetric volatility terms, and the interestrate level. However, it cannot explain that the impact of interestrate shocks on the volatility is lower when interest rates arelow than when they are high. |
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