How to Size Your Crypto Positions Correctly
By Menno — 13 years in crypto, 3 bear markets survived, zero paid promotions
Last updated: March 2026
Correct position sizing in crypto means allocating more capital to Bitcoin and Ethereum as base positions, less to mid-cap altcoins, and very little to speculative small caps — with total allocation scaled to your personal risk tolerance. Oversizing any single position is the fastest way to turn a strong thesis into a devastating loss.
Key Takeaways
- •Position sizing prevents large losses, which matter more than maximising gains due to the asymmetry between loss percentages and required recovery gains.
- •A three-tier framework — Bitcoin/Ethereum (40–60%), established altcoins (20–30%), speculative altcoins (10–20%) — provides a practical starting structure.
- •Dynamic sizing tied to risk scores means maximum exposure at low risk and reduced exposure as scores climb above 60–70.
- •The maximum single-coin allocation for most investors should be 15–20% for Tier 1 assets and 5–8% for altcoins.
- •Total crypto allocation relative to net worth is a separate question from within-crypto allocation — most investors start at 5–20% of total investable assets.
Why Position Sizing Matters More Than Which Coins You Pick
Most crypto conversations obsess over coin selection: which project has the best technology, the strongest team, the most promising roadmap. Position sizing barely gets mentioned. This is backwards.
You can pick the right coin and still destroy your portfolio if you put 60% of your capital into it and it drops 85% before recovering. Conversely, even a coin that underperforms in a given cycle does limited damage if it only represents 4% of your total portfolio.
The mathematical reality is that a 50% loss on a position requires a 100% gain just to break even. A 90% loss on a position requires a 900% gain. This asymmetry means that preventing large losses is far more important than maximising gains on any individual bet. Position sizing is your primary tool for managing that asymmetry.
A Practical Allocation Framework by Asset Tier
A simple, battle-tested framework divides crypto allocation into three tiers based on risk profile:
The total crypto allocation relative to your entire net worth is a separate question — one that depends on your age, income stability, and risk tolerance. A common starting point is 5–20% of total investable assets in crypto.
Adjusting Position Size Based on Risk ScorePremium
Beyond the static tier structure, position sizes should flex with the market cycle. When a coin's risk score is in the 0–20 range — deep in the historically cheap zone — it makes sense to be at or near your maximum intended allocation. When the score climbs above 60–70, it makes sense to start trimming back toward a smaller position.
The Concentration Trap: Why One Good Idea Can Ruin YouPremium
Included with the full lesson.
Frequently Asked Questions
How many coins should I hold in my crypto portfolio?▾
Fewer than most people think. Five to ten well-researched positions is a reasonable range for most investors. More than fifteen is typically too many to monitor effectively, and the marginal diversification benefit drops off quickly beyond ten coins.
Should I put more in Bitcoin or altcoins?▾
Bitcoin should form the core of most crypto portfolios. The higher potential returns from altcoins come with proportionally higher risk, including total loss risk. A Bitcoin-heavy base with a smaller altcoin allocation is the structure that has allowed most long-term crypto investors to survive bear markets while still capturing altcoin upside.
What if I have high conviction in a specific altcoin?▾
Conviction should influence which coins you include, not how much you allocate. The market has seen many high-conviction altcoin ideas go to near zero — sometimes for unforeseeable reasons like exchange collapses, regulatory actions, or protocol exploits. High conviction is not a risk management substitute.
Is it worth investing small amounts in many coins?▾
Spreading very small amounts across many coins dilutes gains and creates administrative complexity without meaningful diversification benefit. It is better to make fewer, larger, better-researched bets than to scatter capital across 30 coins hoping one becomes a 100x.
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Get Full AccessNot financial advice. All content is for educational purposes only. Crypto investing involves significant risk. Always do your own research.