Several altcoins posted standout performances over the past week. Toncoin (TON) emerged as the strongest mover among the top 100 cryptocurrencies by market cap.

The breakouts have revived altcoin season chatter across crypto X, though some suggest that rotation signals remain unconfirmed.

According to CoinGecko data, TON has rallied more than 100% over the past seven days. The move followed an announcement from Telegram CEO Pavel Durov that the platform will replace the TON Foundation as the “driving force behind TON” and step in as its largest validator. 

BeInCrypto separately reported that privacy coin Zcash (ZEC) pushed to a fresh year-to-date high, fully erasing its early-2026 drawdown.

Other notable gainers on the weekly leaderboard include Internet Computer (ICP), Bittensor (TAO), and Ondo (ONDO). The breadth of the rallies has fueled fresh debate over a long-awaited altseason.

A crypto analyst known as Cryptollica has highlighted that the TOTAL3/BTC ratio is approaching the apex of a multi-year descending triangle. The analyst noted that previous major altcoin expansions, in 2017 and 2020, both began from similar long compression phases against Bitcoin.

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$TOTAL3 break this resistance and mini altseason will begin pic.twitter.com/wN8WABnsOP

Trader Xaif Crypto observed that centralized exchange volume ratios mirror patterns seen before the 2021 altseason. 

“CEX volume ratio just flashed the same pattern as pre-2021 altseason yellow bars rising, buy walls printing green. Last time this set up… everything pumped,” the analyst wrote.

The Altcoin Season Index from BlockchainCenter reads 35, well below the 75 altseason threshold. The index measures whether 75% of the top 50 coins outperformed Bitcoin over the past 90 days.

Data also shows that the 14-day correlation between altcoins and Bitcoin recently hit its lowest level since July 2025. Low correlation typically signals selective outperformance rather than a synchronized rally.

Trader Lucky flagged Bitcoin dominance trending toward 66% and continued Ethereum (ETH) weakness as further evidence that rotation has not begun.

“59.6% weekly close on BTC.D. That’s your signal. Everything else is noise,” he said.

He added that when rotation eventually arrives, it won’t mirror 2021’s broad-based mania. Capital will move selectively, flowing first into ETH, SOL, and large caps, while small caps lag or get left behind entirely.

Previously, Bitwise CIO Matt Hougan also said broad traditional altseasons have ended. Future gains will concentrate in tokens with real-world use and traction.

This week’s bid in select large-cap altcoins likely fits that selective thesis more cleanly than a 2021 rerun. Whether Bitcoin dominance rejects 61% will determine if the whispers become a trend.

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The post Altcoins Are Pumping, but the Data Says Altseason is Not Coming appeared first on BeInCrypto.

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