Bitcoin and Ethereum after a 20%+ Rally: End of the Crypto Winter or Just Another Bear Market Breather?

You open the app, your portfolio is glowing green, and your brain immediately starts negotiating: "Maybe I should have bought more yesterday. Maybe the train is leaving. Maybe the bear market is over." Crypto can change moods faster than mountain weather — and just like in the mountains, a blue sky doesn't guarantee a safe descent.

The current headline from cryptocurrency news states that Bitcoin and Ethereum have experienced a rally of over 20% and asks whether this marks the end of the bear market. This is precisely the type of moment when investors don't just decide based on data, but also on adrenaline, the pain of previous losses, and the fear of missing out.

It's not about guessing whether the "bottom" is behind us. It's about a more practical question: what does a rally like this mean for an investor who doesn't want to chase headlines but understand market mechanisms?

What Actually Happened: A Green Candle as a Psychological Test

According to the current headline from CoinMarketCap, Bitcoin and Ethereum have strengthened by more than 20%. This is a significant move in crypto, but not entirely unusual. That's where the catch lies.

In the stock market, a 20% rise in a major index would usually signify a significant change in sentiment. In cryptocurrencies, especially Bitcoin and Ethereum, a 20% move is often part of the normal volatility of a broader cycle. In crypto, the market can switch from panic to euphoria in a short time without all the fundamental variables changing significantly in between.

Imagine an investor who had 100,000 CZK in crypto. If their position fell by 50% in a bear market, they were left with 50,000 CZK. A 20% rally from this lower base raises the value to 60,000 CZK. Emotionally, it's a relief. Mathematically, however, the portfolio is still far below its original value.

This is one of the most important crypto "aha" moments: percentages don't behave symmetrically. A drop by half and a subsequent rise by a fifth don't cancel out the damage. Therefore, a rally can be both significant and insufficient. It can signal a change in sentiment, but by itself, it doesn't yet confirm a long-term trend reversal.

Why Crypto Can Rise So Sharply

Cryptocurrencies are a market where several movement amplifiers meet at once.

The first is low investor tolerance for uncertainty. When the market falls, many participants sell out of fear of further declines. When the market turns, the same group fears being left out. The result is a movement that can be sharper than the change in real fundamentals.

The second amplifier is leveraged trading. In crypto, it's common for some traders to use derivatives and leverage. If the price moves sharply in one direction, forced position closures can accelerate the movement. The rally is then not just a pure expression of long-term confidence but also a technical market effect.

The third is liquidity. When there are fewer willing sellers or buyers in the market, even a relatively smaller capital flow can move the price significantly. Therefore, it's important not to just watch the price but also the volumes, market structure, and whether the movement affects only the main cryptocurrencies or spreads to a broader spectrum of assets.

The fourth factor is macro environment. Bitcoin and Ethereum are often traded as risk assets. If investors generally seek more risk, it can help crypto. Conversely, if there is growing concern about regulation, higher rates, exchange problems, or a lack of liquidity, sentiment can quickly turn.

Bitcoin vs. Ethereum: Same Rally, Different Story

Bitcoin and Ethereum often move in similar directions, but an investor shouldn't lump them together.

Bitcoin is most often perceived as a digital asset with a fixed issuance framework. It has a maximum supply of 21 million coins, and its monetary policy is pre-programmed. This makes it, in the eyes of part of the market, an alternative store of value, although it still behaves very volatile in price and can fall along with other risk assets in crises.

Ethereum is more of an infrastructure. Its value is not only derived from the "digital gold" narrative but also from the use of the network, decentralized applications, stablecoins, tokenized assets, and demand for transactions. Since 2022, Ethereum operates on a proof-of-stake mechanism, which has changed its technological and economic profile.

When both assets grow by more than 20%, it can indicate a general return to risk appetite. But for each, it's good to ask a different question:

• For Bitcoin: Is demand for the main crypto asset strengthening, or is it mainly a technical rebound after a previous sell-off?
• For Ethereum: Is ecosystem activity growing, or is the price just riding the broader wave of cryptocurrency sentiment?
• For both: Is the growth accompanied by higher liquidity and broader market participation, or is it a narrow movement driven by short-term traders?

Data: Why a 20% Rally Alone Isn't Enough

The history of cryptocurrencies shows two things simultaneously. First, large gains are possible in crypto. Second, deep declines are just as natural a part of this asset class.

As a rule of thumb, Bitcoin has experienced declines of over 70% from the peak in past cycles. Ethereum has had even more significant declines in some periods. These are not minor corrections but events that test financial plans, psychology, and an investor's ability to not confuse faith with risk management.

At the same time, it's important to distinguish between three concepts:

1. Bear Market Rally – a sharp rise after a significant decline, which may later fizzle out.
2. Short-term Trend Change – the price surpasses some technical levels, and sentiment improves, but long-term risk remains.
3. New Bull Cycle – a longer period where growth is supported by a broader combination of liquidity, adoption, capital flows, and confidence.

The current growth of over 20% could belong to any of these categories. The headline asks the right question, but the percentage alone doesn't answer it.

It's similar to a patient after an illness. When they feel better one day, it's good news. But it doesn't automatically mean they can run a marathon the next day. A market after a deep decline also needs more than one strong day or week: it needs confirmation in data, liquidity, investor behavior, and the absence of new systemic problems.

What It Means for Different Types of Investors

For a long-term investor, a rally is mainly a reminder that crypto cannot be comfortably timed based on emotions. If someone holds a small, predefined exposure within a broader portfolio, a 20% rise may mean the need to check asset weights. Not because the price "must" fall or rise, but because the portfolio can quickly deviate from the original plan with high volatility.

For a newcomer, such a rally is mainly dangerous psychologically. The market looks safer just when it has already grown significantly. FOMO — the fear of missing out — is an especially expensive teacher in crypto. It can make a person buy without a plan, without a limit, and without an idea of what to do in the next decline.

For an active trader, a rise of over 20% is a signal of increased volatility. This can create opportunities but also increases the risk of quick losses, especially with leverage. In crypto, even a good trade direction can end badly if the position is too large or the liquidation is too close.

For an investor in stablecoins, the rally is an indirect signal. When the appetite for risk returns to the market, some capital may shift from stablecoins to volatile assets. However, stablecoins carry their own risks: reserve quality, regulation, counterparties, and the possibility of losing the peg to the dollar or another asset. They are not the same as a bank deposit.

Practical Framework: How to Read a Crypto Rally Without a Crystal Ball

Instead of asking "is the bear market over?" it might be more practical to use a checklist. It won't tell the future but will help separate signal from noise.

1. Check Where the Rally Comes From

Growth after a long decline looks different than growth from near historical highs. Write down a simple sentence: "My asset is approximately in what phase relative to the last major peak and trough?" It doesn't have to be precise timing. It's about context.

2. Separate Price from Thesis

For Bitcoin, the thesis might sound like: limited supply, growing institutional attention, role as an alternative asset. For Ethereum: network effect, application use, demand for blockspace. If the price rises but your thesis hasn't changed, there's no reason to change the plan just because of emotions. If the thesis has worsened, a green candle alone won't fix it.

3. Determine Maximum Loss in Advance

Crypto can fall significantly and quickly. A practical exercise: write down an amount whose complete loss wouldn't threaten rent, reserves, payments, or sleep. If the answer is uncomfortable, it's more valuable information than any headline.

4. Watch Market Breadth

Is only Bitcoin and Ethereum rising, or is the entire market, including smaller tokens, lifting? Broad growth can indicate a more general return to risk appetite but also higher speculation. Narrow growth in major assets may suggest more cautious capital that doesn't want to go into the riskiest corners of the market.

5. Don't Underestimate Regulation and Infrastructure

Crypto is not just a chart. It's also an exchange, custody, wallet, tax treatment, regulation, and counterparties. An investor can correctly predict the market direction and still lose due to a poorly secured account, risky platform, or misunderstanding of tax obligations.

At QMA: How Not to Let a Headline Steal Your Decision-Making

At QMA, similar situations can be approached through a watchlist and a scoring view of assets: not as a buy or sell signal, but as a filter that helps compare volatility, trend, riskiness, and relative strength of selected cryptocurrencies side by side.

Practically: instead of following one dramatic headline, an investor can create a crypto watchlist, compare Bitcoin, Ethereum, and other assets according to a unified framework, and see whether the improvement concerns only the price or also a broader score. QMA filters this for you — not to decide for you, but so that emotions don't have a voting right in the table.

open in QMA

Key Takeaways

1. A 20%+ rally is significant but not automatic proof of the end of a bear market. In crypto, sharp rebounds are a common part of cycles.
2. Calculate percentages from the current base. Growth after a major decline may look strong, but the portfolio may still be far from its original value.
3. Determine exposure size and maximum tolerable loss in advance. Crypto can be part of a portfolio, but only with awareness of extreme volatility, regulatory risks, and the possibility of losing the entire investment.
4. Watch the broader context, not just the green candle. Price, liquidity, sentiment, regulation, and infrastructure quality belong to the same decision-making framework.

Sources

• Bitcoin, Ethereum Rally 20%+ — Is the Crypto Bear Market Over? - CoinMarketCap