All-Time High (ATH) Beginner
An all-time high is the highest price an asset has ever traded at.
ATHs get quoted constantly but only look backwards. Hitting a new one guarantees nothing about the future, and assets can sit well below their ATH for a very long time.
This definition is educational and not financial advice. Crypto is volatile and high-risk — always do your own research.
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Altcoin
An altcoin is any cryptocurrency that is not Bitcoin — short for "alternative coin".
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A bear market is an extended stretch of falling prices and gloom.
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Bitcoin is the original and biggest cryptocurrency: a decentralised digital money capped at 21 million coins.