G-SIFI
From ACT Wiki
(GSIFI).
Globally operating Systemically Important Financial Institution. (Often Global systemically important financial institution.)
Sometimes known as a Global SIFI.
The idea developed for Too Big To Fail banks often distinguished by the Financial Stability Board as "global systemically important banks" (G-SIBs).
Appetite whetted, regulators in the FSB then looked around for similarly important non-bank institutions, for example insurance companies or large investors.