Concentration Risk Calculator

Identify overweight positions in your portfolio

Concentration Risk: When one position dominates your portfolio, a single bad event can wipe out your gains. This tool identifies positions that exceed safe thresholds and calculates your overall concentration metrics.

Portfolio Holdings

Alert when position exceeds this

Alert when top 3 exceed this

AssetValue ($)WeightStatus
Add holdings to analyze concentration

Risk Summary

Overall Risk Level
-
Max Position:-
Top 3 Combined:-
HHI Index:-
Effective Assets:-
Overweight Count:-
Low
Moderate
High
Extreme
Conservative
≤5%
per position
Moderate
≤10%
per position
Aggressive
≤20%
per position
Concentrated
>20%
high risk

Concentration Risk FAQ

My BTC is 45% of portfolio - should I sell?

That's a personal call. 45% is concentrated, but BTC is the least risky crypto. If it grew to 45% from gains, consider trimming 10-15% to lock profits. If you intentionally allocated 45%, make sure you're comfortable with that exposure during a 50%+ BTC crash. No right answer - depends on your conviction and risk tolerance.

How often should I check concentration?

Monthly is reasonable. After big market moves, positions drift from target weights. Bull markets especially cause concentration as winners grow. Set calendar reminders to review. Some use automatic rebalancing triggers (e.g., rebalance when any position drifts 5%+ from target).

10 small-cap alts at 10% each - diversified?

Technically yes by position size, but probably not by risk. Small-cap alts are highly correlated - they crash together in bear markets. You have weight diversification but not correlation diversification. Add BTC, stables, or non-crypto for true risk reduction.

Does this apply to small portfolios?

Yes, but practically harder. With $1,000, having 10 positions means $100 each - fees eat your gains. For small portfolios, 3-5 positions is reasonable. Focus on the largest cap, most liquid assets. As portfolio grows, add more positions and tighten concentration limits.

What's the impact of a concentrated loss?

Quick math: if a 50% position drops 60%, your portfolio drops 30%. If a 10% position drops 60%, portfolio drops only 6%. This is why position sizing matters more than picking winners. One concentrated loser can undo years of gains from diversified winners.

Should stablecoins count in concentration?

Yes, include them. 30% USDC is still concentration in one asset (with its own risks like depegging). But stablecoins reduce overall portfolio volatility, so concentration in stables is different from concentration in volatile assets. Factor in your goals - stability vs growth.

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