#山寨币强势反弹 Clone coin explosion, has the bull market returned?

During these days of Bitcoin stability, the altcoin season has experienced rare intense volatility. Tokens with a circulating market cap of less than twenty million USD have tripled or quintupled in days, some approaching ten times. No major progress, no ecological breakthroughs, no new institutional entries, yet prices are pushed up like this.
There is a ready explanation for this phenomenon: altcoins are high Beta assets; when Bitcoin rises, altcoins run even faster. This explanation is statistically valid, but not complete.
High Beta can explain why altcoins rise more than Bitcoin, but not why the gains differ by dozens of times. This multiple comes from another factor. The current altcoin season index is 34, and Bitcoin dominance is 58.5%. Both numbers tell you that this market is still quite far from a true altcoin season. But in this market without an actual altcoin season, certain tokens are moving with altcoin season-like amplitude.
From December 2024 to April 2026, the total market cap of altcoins excluding Bitcoin and Ethereum shrank from a peak of about 1.16 trillion USD to around 700 billion USD, evaporating nearly 40%. When market cap shrinks to a sufficiently low level, the rules change; prices are no longer determined by market consensus but by who holds enough chips. This is a loophole created by oversold conditions, not a signal of a bull market.
Altcoins have indeed fallen too much; in blockchain, there is the concept of a 51% attack—controlling more than half of the network’s hash power allows tampering with records, double-spending tokens, rewriting history. The capital version of this logic is simpler: it requires no technology, no hash power, only money. And in this round, the altcoin market, with nearly 40% evaporation of market cap, has also lowered entry barriers by about 40% proportionally.
As of early April 2026, the total market cap of altcoins is about 700 billion USD, down roughly 40% from the December 2024 peak of about 1.16 trillion USD. Using the end of 2025 as a cutoff, the decline is about 44%. The two measurement points differ in timing but are consistent in direction: the overall size of this market has already been cut nearly in half.
What does a market cap halving mean? In a market with a circulating market cap of five billion USD, a ten million USD holding accounts for 2%; in a market with fifty million USD, it accounts for 20%. The threshold has dropped tenfold, but the amount of money hasn’t changed. After overselling, the cost to control the market becomes calculable. It can be calculated, and it can be executed.
The recent surge of the SIREN token provides an analytical case.
SIREN surged rapidly in late March, creating a noticeable upward trend. On March 24, on-chain analyst EmberCN issued a warning: a single entity might control up to 88% of the circulating supply of SIREN, worth about 1.8 billion USD at that time. The news spread, and on that day, SIREN dropped from 2.56 USD to 0.79 USD, a decline of over 70%. During this rapid price escape, almost no one could exit at a reasonable price because that price was never truly market-formed.
A conservative estimate suggests 48 wallets hold about 66.5% of the circulating chips. Even with this minimal figure, a very limited set of addresses already has the structural conditions to influence the price trend. From the moment the price was formed, the symmetry of this game was already broken.
Retail investors, holding what they think is free-market trading money, entered a container with a pre-set exit path. SIREN is not an isolated case, nor a black swan; it is a normal structural phenomenon of oversold altcoins. The deeper the fall, the less money is needed, and the easier it is to be hijacked.
Oversold is not a discount; it’s fragility. And this round, with a 40% overall market cap decline, this fragility has systematically expanded across the entire market.

Shorts are fuel
If the story only has this half, the logic is one-way: market makers lock in positions, push prices up to sell, retail investors buy in, and then crash. But the small-cap altcoin market often has an additional layer of structure—shorts become the ignition material. During SIREN’s rapid rise, the funding rate hit -0.2989% per 8 hours, annualized about -328%. To translate: shorting SIREN and holding the position requires paying the longs about 0.3% of the principal every 8 hours. Holding for a month, this fee alone can consume over 25% of the principal, not counting the paper losses from price increases. This number is not rare in small-cap altcoin markets. Some tokens, in extreme conditions, had funding rates as low as -0.4579% per 8 hours, annualized about -501%. At this level, short sellers face not just the risk of wrong directional judgment but a slow grind to death by a machine. Even if the direction is ultimately correct, they may be exhausted before the right moment arrives.
When you see an altcoin up 80% and decide to short it expecting a pullback, every short position you take pays interest to the long side. Meanwhile, if the price continues upward and hits your liquidation line, the system will automatically buy at market price to close your position, further pushing the price higher.
The chain reaction of short squeeze works like this: price rises, short positions show paper losses, losses hit the liquidation threshold, the system automatically buys to close, this buy further pushes the price up, more shorts are triggered, and a new round of buying begins. In thin, small-cap markets, each order can move prices significantly, and the chain’s transmission efficiency far exceeds that of large-cap assets.
There is a often-overlooked asymmetry here. Seeing a token surge 90% and deciding to short it, people usually think they are making a probabilistic correct judgment: "It’s gone up so much, it must pull back." But in a market with highly concentrated holdings, this judgment must contend not only with price direction but also with every 8-hour outflow of 0.3% of capital and the chain reaction triggered by hitting the liquidation line.
This game is inherently asymmetric from the start. Extreme negative funding rates are the machine’s dashboard reading. Shorts have already accumulated their ammunition; at this moment, accelerating the rise leaves the other side with only two choices: liquidation or chasing higher. Both options fuel the price. This is not a market consensus-driven rise; it’s a structurally designed unilateral consumption.

No new money in the bustling market
BSC chain weekly DEX trading volume increased by 97% YoY, altcoin season index 34/100, BTC dominance 58.5%. All three numbers can be true simultaneously, yet also contradictory. The on-chain heat is real, but the latter two numbers tell you that this market is still in a "Bitcoin season," less than half of the mainstream altcoins outperform Bitcoin, and capital is highly concentrated in Bitcoin, far from spreading outward. But all three also point to the same reality: this is a transfer of existing funds, not new money entering. The excitement is real, but excitement does not equal expansion. Institutional capital movements provide further evidence.
In early April, Solana ETF’s single-day net inflow returned to zero; previously, on March 30, it recorded a net outflow of 6.2 million USD, XRP ETF continued net outflows at the start of the month, with only about 64,600 USD in slight inflow on April 2; Ethereum ETF, despite a 120 million USD net inflow on April 6, had already experienced a net outflow of 71 million USD the day before.
The overall pattern of institutional capital in the altcoin space is one of observation, not rotation. Compared to the real altcoin season of 2021, the structural gap is evident. That cycle, from early year to May, Bitcoin dominance fell from over 70% to below 40%, bottoming at about 39%. The rotation between Bitcoin and altcoins was clear, with the altcoin season index once exceeding 90. It was driven by macro liquidity flooding, the residual heat of DeFi summer, retail FOMO entering en masse, and rapid expansion of stablecoin issuance during that period, with incremental funds continuously flowing into the ecosystem.
Today’s 34 and 58.5% are another scene; the engine has just warmed up, far from full speed. There is also a unique variable in this cycle. Institutional funds entering via ETFs follow internal asset allocation logic, not crypto market sentiment. They adjust "Bitcoin positions to X%", not "altcoin season is near, increase altcoin holdings." This structural characteristic prevents these funds from spontaneously rotating into altcoins unless explicitly instructed. This is the fundamental structural difference between 2021 and 2026: in 2021, a large portion of the inflow was retail funds following the hot spots; today, institutional money is anchor-based, with fixed paths, not drifting with market sentiment.
The on-chain trading volume increase of 97%+ is real, but a market without new money is zero-sum. Every winner’s gains correspond to another’s losses; the total pool remains unchanged. Stock game theory doesn’t necessarily lead to collapse, but it determines the structure of the game. The excitement belongs only to those already in the game with chips. Latecomers usually use their own money to complete the last mile of others’ exits.

Epilogue
Returning to the initial data: Bitcoin rose about 0.85% in four days, while some small-cap tokens doubled or tripled in the same period. Now you have a framework. Bitcoin’s rise is one thing; macro environment is breathing, institutional funds are testing levels, the market is waiting for the next clear signal.
Altcoin’s rapid surge is another; oversold conditions created structural loopholes, a small amount of capital leverages prices in a thin liquidity container, and extreme negative funding rates turn shorts into fuel for longs.
Both events happen simultaneously, but they do not tell the same story. Altcoin season index 34, BTC dominance 58.5%. According to 2021’s historical standards, this machine has not even finished its warm-up. BTC dominance needs to fall from 58% to around 39% as in that year, institutional funds need to shift from "Bitcoin allocation" to "crypto asset portfolio allocation," incremental funds need to flow in continuously rather than cash out at highs—none of which can be solved by a single limit-up. There are two types of people in this machine: one knows who it is working for, the other is the fuel it needs to run.

Bitcoin’s rise is a signal; altcoin’s surge is an echo. Distinguishing these two is the key to making choices in this market that are not pre-designed by the machine.