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4 sourced facts about interest rates, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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Going deeper

Roughly how long did the Fed's 2022-2023 rate-hiking cycle take to go from near-zero to its peak?

Answerabout 18 months

The Fed raised rates steadily over roughly a year and a half, from near-zero in early 2022 to a peak by mid/late 2023.

Source: Wikipedia, Federal funds rate (2023) en.wikipedia.org

Expert level

Between 1954 and 2008, the U.S. federal funds rate varied between about 0.25% and what high?

Answer19%

Over that 54-year span, the fed funds rate swung from as low as 0.25% to as high as 19% during the inflation-fighting era of the early 1980s.

Source: Wikipedia, Interest rate (2008) en.wikipedia.org

During its hyperinflation crisis, Zimbabwe's central bank raised interest rates to what extreme level in 2007?

Answer800%

Zimbabwe's central bank pushed rates to 800% in 2007 in a failed attempt to fight runaway hyperinflation.

Source: Wikipedia, Interest rate (2007) en.wikipedia.org

By the 2000s, German interest rates had fallen to roughly what level, down from nearly 90% in the 1920s hyperinflation era?

Answerabout 2%

German rates cooled to around 2% by the 2000s, a dramatic contrast to the roughly 90% rates seen during 1920s hyperinflation.

Source: Wikipedia, Interest rate (2024) en.wikipedia.org

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