The arrival of the altcoin market is the moment that investors pay the most attention to, but many people are not clear about how to judge whether this "altcoin season" has really arrived. In fact, the key to judgment lies in the change of BTC market share.

The relationship between the change of BTC market share and the altcoin bull market

Rising share: more funds flow into BTC, a large number of investors flock to Bitcoin, and the altcoin market will continue to be sluggish.

Declining share: funds flow out of BTC and turn to altcoins, which often means the start of the altcoin bull market.

2017: BTC market share fell sharply from 80% to 30%, triggering the first big bull market of altcoins.

Early 2021: The share fell from 70% to 40%, and the altcoin market once again entered a full-scale outbreak period.

December 2024: The current share has dropped to 56%, and it has officially fallen below the long-term rising channel, indicating that a new round of altcoin bull market may be coming.

The last round of sharp decline in market share occurred in early 2021, and then altcoins ushered in a glorious period of nearly two years. This prosperity continued until June 2023, when BTC market share broke through the key position again and climbed all the way to a higher level, causing altcoins to fall into a long trough again.

However, a different signal appeared at the end of 2024: BTC market share continued to decline, and although most altcoins continued to refresh lows, opportunities may be brewing behind this. Today, the market share has fallen below the rising channel again, which means that the market may have entered the beginning of a new round of "altcoin season".

The decline in BTC market share, especially when it falls below the key trend line, is often a sign of the start of the altcoin market. At present, although the market is full of uncertainty, historical data has repeatedly proved that this turning point is a signal that cannot be ignored. Investors need to pay close attention to subsequent trends and make arrangements in advance. Perhaps the opportunity for altcoins is already in front of them!

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