Based on a comparison of 13 banks among Indonesian Financials in 2018, Bank Tabungan Pensiunan Nasional was the best capitalised bank, followed by Bank Central Asia and Panin Bank.
Bank Tabungan Pensiunan Nasional's capital adequacy ratio reached 40.9%, up from 28.9% when compared to the previous year. Historically, the bank’s capital ratio hit an all time high of 40.9% in 2018 and an all time low of 19.9% in 2015.
Comparing Bank Tabungan Pensiunan Nasional with its closest peers, Bank Central Asia ended the year 2018 with a capital adequacy ratio at 24.0%, Panin Bank with 23.5% and Bank Danamon some 22.2% at the end of 2018.
You can see all the banks capital adequacy ratio data on the Capital Adequacy Ratio indicator page or you can download a report on the Indonesian Financials banks in the reports section.