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Cardano logo 2021

Cardano in 2021

2 key events this year.

Here is what happened to Cardano in 2021, in date order, with the daily close from our price data where it covers the date.

First close of 2021$0.1751Binance ADA/USDT daily close, 2021-01-01
Highest close$2.97Coinbase Exchange ADA/USD daily close, 2021-09-03
Lowest close$0.1751Binance ADA/USDT daily close, 2021-01-01
Last close of 2021$1.31Coinbase Exchange ADA/USD daily close, 2021-12-31
Cardano price, USD
launchrallycrashupgradelegalforkoutagemilestone

Source: Binance ADA/USDT daily closes 2018-04-17 to 2021-03-17; Coinbase Exchange ADA/USD daily closes 2021-03-18 to 2026-10-14. Fetched Oct 14, 2026 from free public APIs. Click a dot for the event and its price on that day.

Events in 2021

  1. Sep 3, 2021rally
    Highest close in our data $2.97 (Coinbase Exchange ADA/USD daily close, 2021-09-03)
    The highest daily close for ADA in our price history.
  2. Sep 12, 2021upgrade
    Alonzo smart contracts $2.58 (Coinbase Exchange ADA/USD daily close, 2021-09-12)
    Cardano adds Plutus smart contracts.

Highest close in our data Sep 3, 2021

This is the highest daily close for Cardano in our fetched series, which runs from 2018-04-17 to 2026-10-14. Intraday highs and prices on other exchanges may have been higher.

Alonzo smart contracts Sep 12, 2021

The Alonzo hard fork on September 12, 2021 enabled smart contracts. ADA had reached its highest prices in early September 2021 in anticipation.

Cardano hub · Full timeline

Updated

Sources

Facts written in our own words. Last checked Oct 14, 2026.