This was discussed publicly months ago: https://www.cnbc.com/2020/03/18/ben-bernanke-and-janet-yellen-are-urging-the-fed-to-buy-corporate-bonds.html https://ww

This was discussed publicly months ago: https://www.cnbc.com/2020/03/18/ben-bernanke-and-janet-yellen-are-urging-the-fed-to-buy-corporate-bonds.html https://www.cnbc.com/2020/03/18/ben-bernanke-and-janet-yelle... That's not proof. But considering the markets have largely "recovered," I think it's safe to say that it was semi-public knowledge that this was in the works.