Just 4 days ago, the Altcoin Season Index (ASI) hovered at a modest 39, and as of today, it has risen further to 51 out of 100. For the altcoin season to truly begin, the ASI needs to surpass the 75 mark, so this recent price increase indicates that the index is getting much closer to that threshold.
Altcoin Season Index Soars 12 Points as FOMO Opens Up
The metrics show that the altcoin season is approaching, with the ASI score on blockchaincenter.net increasing by 12 points over the past four days. Just 24 more points are needed for the ASI to reach the 75/100 mark, signaling the official start of the altcoin season.

On social media, discussions about the upcoming altcoin season have peaked. "The 4-year convergence breakout of altcoin MC is approaching," one wrote on Sunday. "The altcoin season has not truly begun yet."
Another user added:
“The altcoin popcorn season is back. Where random altcoins 'suddenly' 'appear'. Remember not to chase pumps during this phase. Clearly define your thesis, enter/exit with a pre-defined plan, and most importantly - enjoy the popcorn.”
Google Trends data shows that the term "altcoin season" peaked at 100 points on July 18. As of July 20 - although the data is still being updated - this figure has reached 97 points, up from 61 points on Saturday.
Meanwhile, interest in the term "altcoin" has not yet peaked. It reached 75 points on Friday, dropped to 47 points on Saturday, and rose back to 78 points today, depending on the final metrics.

The leading countries searching for "altcoin" globally are Senegal, Bulgaria, the Netherlands, Germany, and the United States. For "altcoin season", the top spots go to Samoa, Vanuatu, Afghanistan, Kosovo, and Switzerland. Related searches highlight trend charts including "South Korea", "BTC Dominance", "Dominance", and "alt season 2025".
If the current upward momentum continues, the market may be approaching one of the rare turning points where sentiment, Google search interest, and price volatility intersect. Although the ASI index has not yet surpassed the critical threshold, behavioral signals, market developments, and social media posts indicate that expectations are rapidly turning into confidence. Whether driven by data or dopamine-fueled speculation, traders seem to be preparing for the upcoming fireworks.