ECB Paper Flags Reverse Convertible as Option to Replace AT1 (1)

Jan. 12, 2026, 3:08 PM UTC

Reverse convertible bonds should be explored as potential replacements or complements for the bonds that banks sell to raise Additional Tier 1 capital, according to a working paper published by the European Central Bank.

AT1s bonds, also known as contingent convertibles due to their structure, typically convert into equity once a bank’s core capital ratios fall below a predetermined value. They came under scrutiny after a government-brokered takeover of Credit Suisse by UBS Group AG in 2023 led to the wipeout of about $17 billion of AT1s.

“Although very similar in structure, reverse convertibles avoid the problems associated with ...

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