How crypto bubbles form, burst, and impact the market

Volatility isn’t an anomaly in cryptocurrency – wild price swings are part of the crypto market’s structure. Unpredictable booms and busts are caused by everything from shifting narratives and policy changes to fragmented liquidity and technical updates. The cycles of sharp rises and quick falls are so common that they’ve earned the nickname crypto bubbles.

The more you know about how crypto bubbles work, the better prepared you’ll be. So let's talk about what these cycles are and how you can navigate them.

What’s a crypto bubble?

A cryptocurrency bubble is a rapid and unsustainable buying frenzy for a digital asset. The word “bubble” reflects how fragile and temporary the expansion is. During these periods, crypto traders may chase trends without fully evaluating a currency’s underlying value, leading to temporary overvaluations and disconnects between a coin’s price and its fundamentals. And once reality sets in or bad news drops, the inflated prices drop just as quickly.

How does a crypto bubble form?

Crypto market bubbles tend to occur when many traders feel comfortable with risk and have unrealistic expectations about what they’re buying. Instead of carefully studying a digital asset before making a purchase, traders buy crypto at inflated prices based on fear of missing out (FOMO), and they assume the upward momentum will continue indefinitely.

More specifically, crypto bubbles are often caused by some combination of these factors:

• Inexperienced investors: Drawn by the desire for fast profits, crypto bubbles often attract retail traders who are new to crypto and don’t have solid risk management skills. These newcomers may rely on flashy headlines or social media, rather than researching tokenomics and blockchain technology before making informed decisions. This influx of naive capital can create a self-reinforcing cycle of fast-rising prices.
• Media frenzy: Positive coverage of digital assets can amplify speculative excitement about specific (often new) coins. As cryptocurrencies dominate mainstream conversations, buyers feel the FOMO and rush to invest.
• Technological hype: The allure of innovation can make crypto more attractive to investors, who feel they’re participating in something groundbreaking. Even unproven projects can see dramatic price surges due to their perceived revolutionary status.
• Misunderstanding valuations: It’s common to mistakenly equate skyrocketing prices with a crypto’s intrinsic value. Instead of grounding price analysis in metrics like a coin’s inflation rates or burning mechanisms, investors base their predictions purely on future prospects, without enough concern for the crypto’s current limitations.

How can you spot the warning signs of a crypto bubble?

Crypto bubbles happen in environments of “irrational exuberance,” where market sentiment overshadows reason. Getting caught up in the hype is easy, but cautious traders should take a step back to gauge whether the latest price action is genuine or unsustainable.

While no one can predict a crypto bubble with certainty, here’s what to look out for:

• Extreme public interest: Abnormally high trading volumes can be a warning flag that more speculators are entering the market purely out of FOMO. You can also use tools like Google Trends to see whether the general public is searching for terms such as “Bitcoin” or “cryptocurrency.”
• Unrealistic price predictions: When prices move up, more financial analysts and online pundits put out overly confident predictions, strengthening the bubble-driven euphoria. While bullish predictions aren’t always a bubble signal, they can contribute to speculative fervor if they aren’t tempered with research and a realistic time horizon.
• Relative strength index (RSI) scores: RSI is a technical analysis tool that tracks the latest momentum and speed for trading activity. When RSI scores are over 70 for an extended period, that generally means prices are overbought and may be unsustainable.
• Crypto Fear and Greed Index: Available on CoinMarketCap, the Crypto Fear and Greed Index uses metrics such as price volatility, derivatives activity, and Bitcoin (BTC) dominance to gauge market sentiment on a scale of 0 to 100. During bubble phases, the index often sits in “extreme greed” territory (near 100) for prolonged periods.
• Increased leverage: Overconfidence in bullish trends drives some traders to take on excessive risk by borrowing funds and opening long-leveraged positions. This influx of capital can increase volatility and destabilize prices.

What are some examples of crypto bubbles that burst?

Throughout Web3’s history, many projects that shot for the moon have fallen hard. Here are a few cases that illustrate how crypto bubbles form and disrupt markets.

ICO bubble of 2018

Following BTC’s surge to $20,000 per coin, many investors turned their attention to a speculative class of early-stage crypto projects called initial coin offerings (ICOs). To attract new capital to these ventures, ICO leaders often made big promises about cutting-edge protocols and enticing perks.

While some of these ICOs were legitimate, many scammers entered the space purely to create “pump and dump” schemes with fake tokens. As scam activity increased, the market cap for ICOs fell dramatically.

NFT bubble of 2021–2022

Non-fungible tokens (NFTs) were all the rage in 2021, thanks largely to high-profile celebrity endorsements. Collections like CryptoPunks and the Bored Ape Yacht Club saw unprecedented demand, with some profile pic NFTs selling for millions.

But as the broader crypto market weakened, the NFT party came to an end. Trading volumes on platforms like OpenSea saw losses in the billions between early and mid-2022.

Possible 2026 crypto bubbles

There’s no way to predict a crypto bubble, but some financial analysts are concerned about the overconcentration of coins in centralized reserves, such as company-held crypto treasuries. Over 100 publicly traded companies now hold Bitcoin Treasury Reserves, driven by BTC’s positive price momentum and Strategy’s BTC policies.

That’s not all that signals an increasing bubble-like appetite – some companies issue shares or go into debt to acquire BTC for their balance sheets. Although this works when BTC’s price increases, some investors fear it’s one of the reasons for the cascading sell pressure, as BTC dropped from a high of nearly $126,000 in 2025 to roughly $70,000 in early 2026.

Is Bitcoin in a crypto bubble?

BTC’s critics often point out this crypto’s inherent lack of utility when compared to tangible assets like precious metals, as well as its frequent and dramatic boom and bust cycles. However, proponents argue that BTC’s adoption rate and market cap have steadily grown on long-term price charts.

Today, BTC has greater institutional adoption from governments and influential companies. This currency also boasts increased liquidity and accessibility, thanks to financial instruments like exchange-traded funds.

These factors don’t necessarily mean BTC isn’t in a crypto bubble, but they suggest that a majority of investors view it as a legitimate – albeit volatile – asset. Ultimately, whether someone sees BTC as a risk depends on their view of the currency’s inherent worth as a decentralized store of value.

How can you protect your investments during a crypto bubble?

There’s no way to completely avoid crypto bubbles, but you can follow these tips to minimize risks and safeguard your digital assets:

• Develop a clear investment strategy: To avoid falling for FOMO, create a disciplined trading plan before entering the crypto market. And research a currency’s core features before investing, to get a clear sense of its potential and figure out if its risks align with your tolerance level.
• Set stop-loss orders: Many exchanges let you create stop-loss and stop-limit orders, which automatically sell a cryptocurrency once it hits a predetermined price. This helps you limit risk and cut down on losses.
• Use take-profit orders: You can also use take-profit orders to automatically sell in positions of strength. This strategy forces you to exit positions during periods of excessive greed, so you can avoid the fallout after a bubble bursts.
• Rely on reputable analysis: Don’t get all your information on crypto from dubious Discord posts and hyperbolic X threads. Instead, rely on credible crypto news outlets, on-chain analytics firms, and technical analysis tools like RSI to decide whether the market is overheating.

Navigate crypto markets confidently with CoinTracker

When a cryptocurrency is in full-blown bubble mode, even the harshest critic may feel a bit of FOMO. But remember that unfounded euphoria doesn't last forever. The safest strategy is to recognize that crypto bubbles are common and develop a plan to handle them if you suspect that the market is inflated.

Navigating the crypto world can be challenging, but CoinTracker makes it easy. With automatic tracking of over 50,000 cryptocurrencies and integration with all of the top exchanges, we bring everything into one dashboard. Sign up for free and start your crypto journey with CoinTracker.

Disclaimer: This post is informational only and is not intended as tax advice. For tax advice, please consult a tax professional.