Top 5 Altcoins To Buy Today As Altcoin Season Heats Up

These top crypto picks are showing strong bullish signals with significant catalysts and upward momentum

  • Altcoin season is in full swing with Bitcoin dominance decreasing and ETH/BTC displaying signs of a reversal.
  • Layer 1s, DeFi, and AI tokens are leading the way with real-world applications and ecosystem expansion.
  • SUI, ARB, and AVAX are surging due to high-profile partnerships and increasing on-chain metrics.
  • HBAR and LINK are showing potential breakouts supported by institutional adoption and network activity.

The total crypto market cap excluding Bitcoin (TOTAL2) has surged to $1.34 trillion, its highest level since April — confirming that altcoin season is in progress. Volume has increased significantly in the past week, and prices are well above key EMAs (20/50/100/200), indicating sustained momentum.

This sets the stage for a shift towards mid-cap and high-utility altcoins.

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While Bitcoin remains a key asset for crypto investors in the long run, its short-term dominance has dropped by 60% from 63% in the previous week, signaling positive developments for altcoins.

Ethereum has regained strength above $3,000, reaching a 5-month high, with the ETH/BTC ratio indicating the beginning of “alt season.”

With a shift of capital towards smaller cap assets, several altcoins are now presenting bullish technical patterns, supported by real-world usage, new partnerships, and increasing token velocity.

Here are 5 altcoins worth considering today, each with strong catalysts and potential for further growth in this rally.

1. Sui (SUI)

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Sui is emerging as a standout performer in the current altcoin cycle. The protocol’s Total Value Locked (TVL) has reached a new all-time high of $2.326 billion as of July 16, 2025, according to DeFiLlama.

The significant increase in net inflows, with $1.57 million on July 15 alone, demonstrates strong conviction from investors at this stage of the rally.

The recent collaboration with Google Cloud to introduce AI-powered tools to Web3 developers has garnered attention, especially with institutional validators like HSBC and DBS joining the consensus.

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From a technical standpoint, SUI Coin has broken out above the $3.20–$3.40 range and even touched $4.00, a level it struggled to reach over the past two months. Reclaiming such levels often indicates renewed strength.

The daily chart shows strong bullish candles with expanding volume and no immediate signs of exhaustion. With momentum intact, traders are now targeting the psychological $5.00 level for SUI as the next likely destination.

2. Arbitrum (ARB)

According to The Block, Arbitrum’s Timeboost system has generated over $2 million in fees since its launch in April 2025. The system allows users to bid for faster transaction inclusion and now facilitates nearly a third of all DEX trades on Arbitrum, reducing congestion and front-running risks while creating sustainable revenue for the ecosystem.

With 3.5 billion ARB tokens in the DAO treasury, valued at approximately $1.3 billion, this new revenue stream positions Arbitrum as more than just a fast L2 solution — it is now a self-sustaining ecosystem with tangible economic value flowing through its governance structure.

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On the technical side, ARB is showing signs of strength after retesting the critical $0.414–$0.420 zone, where price had been rejected multiple times in the past.

With the current bounce, bulls are now aiming for the $0.460 resistance as the next target. A break above this level could lead to a move towards $0.483 or higher.

Recent ecosystem data indicates a surge in fee revenue and developer activity. Technically, ARB is breaking out of consolidation with potential to reach $1.40–$1.60, especially with growing institutional adoption.

3. Avalanche (AVAX)

Avalanche made headlines when FIFA selected it to power the FIFA+ collectibles platform, replacing Algorand. This move positions AVAX as a leading chain for large-scale consumer applications and digital assets.

On the infrastructure side, Avalanche is expanding its subnet architecture with “Avalanche 9000,” providing developers more flexibility to launch custom, high-performance chains.

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On the charts, AVAX has broken through the $20.36 level (February 2025 low) and is currently testing the $22.30 zone, a crucial recovery barrier. Just above lies the 100 EMA at $23.15, now acting as resistance.

If bulls can surpass this level, the next major target is around $25.60, a significant supply zone.

AVAX Technical Levels:

  • Immediate Support: $20.36 (previous resistance turned support)
  • Resistance: $22.30–$23.15 zone
  • Upside Target: $25.61 (key supply zone)

Hedera (HBAR)

Hedera is gaining bullish