ISDAFIX
From ACT Wiki
ISDAFIX is a benchmark reference rate for annual swap rates in CHF, EUR, GBP, JPY, USD and (historically up to April 2013) HKD.
Its uses include calculating:
1. Cash settlement amounts on the early termination of swaps.
2. Exercise values for cash-settled swap options.
3. Mark to market valuations for swaps and other derivatives.
ISDAFIX is calculated and published daily.
Maturities differ slightly by currency, for example in USD they are: 1-10 years inclusive, 15, 20, and 30 years.
Sometimes written ISDA FIX, ISDAFix or ISDAfix.