Strategy9 min readUpdated Mar 28, 2026

Altcoin Season Strategy: How to Position Before the Run

Menno van Ravels - Alpha Factory

By - 13 years in crypto, 3 bear markets survived, zero paid promotions

Last reviewed:

In one sentence

Altcoin season typically follows a Bitcoin dominance peak and a period of sideways BTC price action. The playbook is: watch BTC dominance fall from 60%+, wait for ETH to outperform BTC, then selectively add high-quality altcoins with the expectation of 2-4x moves before taking profits aggressively.

Key facts: Altcoin season follows a predictable sequence: BTC dominates first, then ETH outperforms, then high-quality alts move, then low-cap speculation peaks.BTC dominance above 60% signals the market is in a BTC-focused phase — not yet altcoin season.The average altcoin season lasts 6-12 weeks before the most speculative assets peak and begin collapsing.Taking profits during altcoin season is harder than taking profits during BTC rallies — greed is more intense.Never chase a coin that has already 5-10x'd — by that point, you are the exit liquidity for early buyers.

Decision framework: Altcoin season is a market phase where the majority of altcoins significantly outperform Bitcoin over a period of weeks to months.

Key Takeaways

  • •Altcoin season follows a predictable sequence: BTC dominates first, then ETH outperforms, then high-quality alts move, then low-cap speculation peaks.
  • •BTC dominance above 60% signals the market is in a BTC-focused phase — not yet altcoin season.
  • •The average altcoin season lasts 6-12 weeks before the most speculative assets peak and begin collapsing.
  • •Taking profits during altcoin season is harder than taking profits during BTC rallies — greed is more intense.
  • •Never chase a coin that has already 5-10x'd — by that point, you are the exit liquidity for early buyers.

What Is Altcoin Season and How Does It Start?

Altcoin season is a market phase where the majority of altcoins significantly outperform Bitcoin over a period of weeks to months. It is not random — it follows a fairly consistent rotation pattern that has repeated in every major crypto cycle since 2017.

The sequence typically unfolds like this: Bitcoin leads the first phase of any bull market, pulling capital into crypto broadly. As BTC price stabilizes or consolidates after a major rally, investors who made gains on BTC start rotating capital into Ethereum and large-cap altcoins in search of higher returns. As ETH starts outperforming BTC, confidence grows and capital flows further down the risk curve into mid-cap and small-cap altcoins.

Bitcoin dominance — Bitcoin's share of total crypto market cap — is the key metric to watch. When BTC dominance is above 60%, the market is in a Bitcoin-focused phase. When it peaks and starts declining, it is a leading indicator that capital is rotating into altcoins. In the 2021 cycle, BTC dominance peaked around 70% in January 2021, then fell to 40% by May 2021 as altcoins massively outperformed. That five-month window was altcoin season. Tracking BTC dominance on a weekly chart is one of the most useful positioning signals an altcoin investor has.

How to Select Altcoins to Hold Into Altcoin Season

Most altcoins that perform during an altcoin season were accumulated during the preceding bear market or early bull phase — not bought after the narrative is already running. The strategy requires preparation, not reaction.

When selecting altcoins to hold for an anticipated altcoin season, focus on assets with: genuine developer activity (GitHub commits growing), real or growing protocol revenue, a clear narrative that institutional and retail money will find compelling, sufficient liquidity to exit when needed, and a token structure without massive upcoming unlocks that would create sell pressure.

Avoid altcoins that have already rallied 5-10x before the broader market confirms altcoin season is underway — you are buying the momentum, not the opportunity. The best entries are in the pre-season phase when sentiment is still bearish or neutral.

Alpha Factory's Altcoin Rules scoring framework evaluates coins across these dimensions — developer activity, tokenomics, liquidity, team credibility, and fundamentals — to give you a structured way to assess any project before you put capital into it.

Position Sizing During Altcoin Season

The position sizing rules during altcoin season differ from standard DCA strategy. Altcoins are inherently higher-risk and the time window for outperformance is narrower — typically 6-12 weeks for the peak phase, though individual assets can move earlier or later.

A reasonable altcoin season position framework: no single altcoin should represent more than 5-10% of your total crypto portfolio. Your BTC and ETH allocation should remain your largest holdings even during altcoin season — these are your ballast. The speculative altcoin portion (the 20-30% of your crypto portfolio that chases higher upside) gets distributed across 3-6 projects maximum.

Why 3-6 projects? Because spreading across 15-20 altcoins means no single winner is large enough to meaningfully move your overall portfolio. The investors who made extraordinary returns in altcoin season 2021 were concentrated in a handful of assets — Solana, Avalanche, Fantom — that they had conviction in before the run. Diversifying into 20 coins is not risk management; it is a guarantee of average performance.

The Exit Problem: How to Actually Take Profits in Altcoin Season

Profiting from altcoin season requires solving the exit problem, which is harder than it sounds. When your altcoin is up 5x and the market is euphoric, every reason to sell feels like a reason to hold for 10x. This is the greed trap that causes most investors to give back their gains.

Pre-defined exit rules are the only solution. Before you enter any altcoin position, write down: 'I will take 25% off at 2x, another 25% at 4x, and I will sell everything if Fear & Greed exceeds 85.' These rules must be set before the euphoria begins — once you are in a hot altcoin up 400%, the temptation to abandon your rules is overwhelming.

Also watch for structural signals that altcoin season is ending: BTC dominance beginning to rise again, funding rates on altcoin perpetuals becoming extremely positive, social media volume on speculative small-caps peaking, and Alpha Factory's Risk Wave shifting to red. These signals tend to arrive before price peaks — they are the early warning system.

The investors who win in altcoin season are rarely the ones who called the exact top. They are the ones who sold too early, kept their gains, and lived to compound them into the next cycle.

Frequently Asked Questions

How do you know when altcoin season is starting?

Watch BTC dominance — when it peaks and begins falling from above 60%, it signals capital rotation into altcoins. Confirm with ETH/BTC ratio strengthening (ETH outperforming BTC) and broadening strength across top-20 altcoins. These are leading indicators, not guarantees, but they describe the conditions that have preceded altcoin seasons historically.

Which altcoins do best in altcoin season?

Projects with strong developer activity, real usage, and compelling narratives that align with the current market cycle tend to outperform. In 2021, Layer 1 competitors (SOL, AVAX, FTM) led. In future cycles, the leading narrative could be Layer 2s, DeFi, AI tokens, or something new. Follow the narrative, but vet the fundamentals before entering.

How long does altcoin season last?

The peak phase of broad altcoin outperformance typically lasts 6-14 weeks. Individual assets may top earlier or later. The 2021 altcoin season from early January to mid-May was unusually long at about 4 months. Assume a shorter window and scale out profits aggressively — you can always re-enter if momentum continues.

Should I sell Bitcoin to buy altcoins during altcoin season?

Some investors rotate a portion of BTC gains into altcoins at the start of altcoin season — this is a legitimate strategy. However, selling your entire BTC position to chase altcoins is high-risk. If the altcoin season thesis is wrong, you give up BTC gains and hold depreciating altcoins. A partial rotation — selling 20-30% of BTC to fund altcoin positions — is the more defensible approach.

Ready to put this into practice?

Alpha Factory gives you the tools to apply every strategy in this guide — DCA Planner, Altcoin Rules, portfolio tracking, and AI-powered analysis.

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Educational only - not financial advice. Crypto carries substantial risk; never invest more than you can afford to lose.