#GateBTCSpotVolumeRanksTop3

Something underneath this crypto rally has changed — and this time the altcoin signal is getting harder to ignore.

Glassnode’s Altcoin Cycle Signal reached 81.25/100 on September 22, moving into its altcoin-season zone. But the number itself isn't the story.

The more interesting question is what is happening underneath it.

During the earlier part of this recovery, Bitcoin was doing most of the heavy lifting. BTC rallied first, while many altcoins struggled to keep pace.

Now the structure is changing.

Glassnode’s latest research shows that 72.5% of the tracked altcoins outperformed Bitcoin over the past week. During the August squeeze, that figure peaked at only 39%. That is a meaningful change in market breadth.

And there is another detail I like even more:

Altcoins are gaining without a major expansion in leverage.

Glassnode says altcoin perpetual open interest, measured in coins, has barely increased over the past 30 days, with fewer than half of tracked markets adding positions. That is very different from overheated periods such as February 2021 and December 2024, when leverage expanded aggressively across the market.

In simple terms, this rotation currently looks more connected to spot participation and relative performance than a massive futures-driven chase.

That doesn't mean risk has disappeared.

Bitcoin remains the anchor.

Current market data puts BTC dominance around 57.1%, while global crypto market capitalization is around $2.95 trillion. BTC is still responsible for roughly 57% of the total market, so this is not a situation where capital has suddenly abandoned Bitcoin.

That distinction matters.

A healthy rotation does not necessarily require Bitcoin to fall.

The more interesting setup is exactly what we are seeing now:

BTC holds its structure → BTC dominance stops rising → major alts begin outperforming → participation expands.

Ethereum is one of the clearest examples.

Reuters recently noted that ETH broke above the $2,661.52 resistance area after consolidating following its August rally. The report identified further technical levels around $2,775–$2,825, while also highlighting $2,560–$2,565 as an important downside area.

That matters because ETH is not just another altcoin. It remains one of the largest liquidity hubs in the entire crypto market.

But I would still avoid calling this a guaranteed “full altseason.”

There is an important difference between altcoins outperforming Bitcoin and the entire altcoin market entering a broad speculative phase.

Glassnode's own data actually gives us a useful warning.

Its latest research says the altcoin rally is occurring with relatively little new leverage, which is constructive from a positioning perspective. But breadth still needs to remain strong. If performance becomes concentrated in a handful of tokens, the 81.25 reading can remain elevated while the underlying market becomes much narrower.

This is why I am watching several things together instead of relying on one indicator.

BTC: Can Bitcoin maintain its recent breakout structure?

BTC dominance: Can the ~57% area gradually weaken without BTC suffering a major breakdown?

ETH/BTC: Can Ethereum continue gaining relative strength?

Altcoin breadth: Are more sectors participating?

Leverage: Does open interest remain controlled, or does speculation suddenly explode?

Spot demand: Does actual spot volume continue expanding?

Glassnode has already reported that Bitcoin spot volume has more than doubled from its August low, while ETF buying has been picking up. It also places an important BTC cost-basis zone around $84K–$85K and identifies the mean MVRV price near $96.7K as the next major on-chain resistance.

That gives the current rotation an interesting foundation.

Bitcoin does not need to disappear for altcoins to perform.

In fact, if BTC can consolidate while capital gradually moves further down the risk curve, that could allow more sectors to participate without immediately creating the kind of leverage-driven environment that usually ends badly.

But there is also a clear invalidation signal for this thesis:

If BTC loses its structure, dominance suddenly rebounds, altcoin breadth contracts and futures leverage starts rising aggressively, then the current rotation can change very quickly.

So I don't think the important question is:

“Is this altseason?”

The better question is:

“Is capital rotation becoming broad, persistent and spot-supported?”

Right now, several pieces are moving in that direction.

The 81.25 Glassnode signal is real.

72.5% of tracked alts recently outperformed BTC.

Altcoin futures leverage has not exploded.

BTC dominance remains below 60%.

ETH has regained important technical ground.

And broader spot participation is improving.

That is more meaningful than simply watching a few altcoins pump.

But the next stage still needs confirmation.

A signal can identify rotation.
Only sustained breadth can prove it.

For now, I'm watching whether this rotation keeps spreading — because that will tell us much more than the headline “altseason” label.

DYOR 🔎

#GateSquareMidAutumnReunion