immunisation
C2CEFR level
88/100Rarity: very rare
TechnicalRegister
A strategy of structuring a bond portfolio so that its value is insulated from interest-rate changes over a horizon.
The pension fund pursued immunisation, matching the duration of its assets to that of its liabilities.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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