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Summary of BIBOR Design and Methodology
BIBOR (Bangkok Interbank Offered Rate) rates are determined from information that is available during 10.00-11.00 AM (Bangkok time) in each working day. BIBOR are the rates at which contributing banks offer to lend THB funds to prime banks, in a reasonable market size, on an unsecured basis in the Bangkok interbank market, just prior to 11 AM.
 
Subject Description
1.Current number of rate contributors 15 banks
2.Quote time 10.00-11.00 AM (Bangkok time)
3.Tenors O/N,1 week, 1, 2, 3, 6, and 12-month
4. Distribution time 11.15 AM onwards (the rates are specified as of 11.00 AM)
5.Settlement date T+2 for all maturities except O/N
6.Day count convention Actual/365
7.Calculation method Eliminate the first two highest and lowest of the quotes and arithmetically average the remaining rates
8.Calculation result BIBOR rates with 5 decimals (rounding up the sixth decimal place when it is 5 or more)