Jakarta, Jan. 5 -- Nearly 400 trillion IDR (24 billion USD) in bank loans and financing could be affected by recent floods in parts of Sumatra, according to the Financial Services Authority (OJK) of Indonesia. The warning came amid growing signs that natural disaster risks are increasingly evolving into systemic financial risks. Addressing the opening of the Indonesia Stock Exchange's first trading session of 2026 in Jakarta, OJK Chairman Mahendra Siregar said more than 105,000 borrowers in Aceh, North Sumatra and West Sumatra provinces have been impacted by severe flooding, much of it linked to extreme weather events. He noted that the exposure spans lending by banks, guarantee companies, finance firms and multifinance providers. This incr...