“JPMorgan Asset Says It’s Way Too Soon for Negative U.S. Rates”

““Three, four years down the line if the economy is still in a very weak state, then perhaps the Federal Reserve could consider negative rates,” said Seamus Mac Gorain, head of global rates in London at the $1.7 trillion investment manager. “For now, they’re much more focused on the balance sheet, on their tools rather than on negative rates.”

Fed Chair Jerome Powell and his colleagues have pushed back against the need for negative rates, questioning its usefulness as investors weighed the possibility. Futures markets are pricing for that to happen, with contracts on Fed funds rate showing bets for the move in the second quarter of 2021…”

https://finance.yahoo.com/news/jpmorgan-asset-says-way-too-200000008.html

Negative interest rates would collapse the banking system. Why? Everyone would pull / liquidate all assets. At that point it would be more beneficial for an individual to keep their money in a safe or under their mattress.