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US dollar index in 2021

The trade-weighted value of the US dollar against a broad basket of currencies, against bitcoin.

US dollar index (broad, trade-weighted) opened 2021 at 111.21 (January 4, 2021) and closed at 115.28 (December 30, 2021), up 3.7%. The high was 116.58 on November 29, 2021 and the low 110.50 on June 1, 2021.

US dollar index (broad, trade-weighted), month by month in 2021

MonthMonth end
January 2021111.95
February 2021112.83
March 2021113.82
April 2021112.08
May 2021110.76
June 2021112.55
July 2021112.67
August 2021113.11
September 2021114.64
October 2021114.13
November 2021116.21
December 2021115.28

The Federal Reserve’s broad dollar index weighs the dollar against the currencies of the countries the US trades with. A rising index means the dollar is buying more of everything else.

Other years: 2026 · 2025 · 2024 · 2023 · 2022 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013

Also in 2021: Bitcoin price · Distance from the all-time high · 200-day and 200-week averages · Network hashrate · Mining difficulty · Difficulty adjustments · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Bitmain releases and the bitcoin price · Break-even electricity price

The full history · CSV