How Much of Each: Caps, Cash, and How You Buy In

Why Owning 10 Tokens Doesn't Mean You're Diversified

In the last lesson, we talked about core-satellite structure. But even within that structure, there's a trap: fake diversification. Owning 10 tokens across 3 exchanges feels diversified. But if 8 of those tokens are all Layer 1 blockchains, they'll move together, and your "diversified" portfolio will behave like a concentrated bet.

Market Cap Tiers and Correlation

Tokens within the same market cap tier tend to be correlated:

Large caps (BTC, ETH) move with macro sentiment: interest rates, risk appetite, institutional flows. They're the least volatile within crypto but still correlated with each other.

Mid caps are correlated with both large caps and their specific narrative. A mid-cap DeFi token drops when BTC drops (market-wide correlation) AND when the DeFi narrative cools (sector correlation). Double exposure.

Small and micro caps are the most volatile and often move on token-specific events (listings, unlocks, hacks) but still drop hard during broad market sell-offs.

The key insight: during bull markets, correlation between tokens feels low, because different sectors pump at different times. When the market falls, correlation rises: over the year to 3 Oct 2026, in 30-day stretches where Bitcoin fell more than 10%, the typical altcoin's correlation with BTC was 0.73, against 0.63 the rest of the time. And on a crash day almost everything drops together: on 10 Oct 2025 Bitcoin fell 7.1%, and all 29 altcoins we tracked fell more (the middle one fell 23.4%). The diversification you thought you had disappears exactly when you need it most.

What Actually Diversifies a Crypto Portfolio?

True diversification in crypto comes from mixing:

1. Different market cap tiers: Large cap core + mid cap satellites
2. Different narratives: Don't put all satellites in one theme (all AI, all DeFi, all L1s)
3. Different correlation profiles: BTC and stablecoins have near-zero correlation. BTC and ETH have high correlation. ETH and a random DeFi token on Ethereum have very high correlation.
4. Stablecoin reserves: The only true hedge within crypto. When everything drops, your USDT/USDC stays at a dollar.

What doesn't diversify: owning SOL, AVAX, SUI, and NEAR. These are all Layer 1 blockchains competing for the same users and developers. They're basically the same bet expressed four times.

How You Buy In

You don't need a separate rule for buying. The caps already tell you where new money goes:

1. Fill the bucket that's under its cap. New money goes to whichever part of the portfolio is below its limit, never to one that's already at it.
2. Buy in parts, not all at once. Split a purchase across a few weeks or a few dips instead of one big entry.
3. Use the stablecoin reserve for dips. Your 5–15% in stablecoins is what you buy with when prices fall.
4. If a pump pushes a category past 30%, stop adding to it. That keeps you away from the 40% danger line. Bringing it back down is rebalancing, covered in the next lesson.

The Concentration Test

Take your portfolio and answer:

1. What percentage is in a single narrative? (If above 40%, you're concentrated)
2. Would a single regulatory event affect more than 50% of your holdings? (DeFi crackdown, exchange ban, etc.)
3. If BTC drops 30%, what percentage of your portfolio drops more than 30%? (That's your correlated exposure)
4. What's your stablecoin percentage? (If 0%, you have no dry powder for opportunities)

The Indian Investor's Diversification Edge

Here's something Indian investors can use: rupee-denominated diversification. When the dollar strengthens against the rupee, your dollar-denominated crypto holdings actually gain in rupee terms, even if crypto prices are flat in USD.

This means crypto holdings provide implicit dollar exposure. Your mutual funds and FDs are in rupees. Your crypto is in dollars. That's a form of currency diversification that most Indian investors don't realise they have.

But this also means: don't over-allocate to crypto thinking you're "diversified" just because it's a different asset class. Your overall portfolio (stocks, FDs, real estate, gold, crypto) should have crypto as a portion, not the whole thing.

Quick Recap

• Owning many tokens in the same narrative is concentration, not diversification
• Correlation between crypto assets increases during downturns, exactly when you need diversification most
• True diversification: mix cap tiers, mix narratives, include stablecoins
• Owning 4 L1 blockchains is the same bet expressed 4 times
• Stablecoins are the only true hedge within crypto
• Crypto provides implicit dollar exposure for Indian investors

Checklist

• Map every token in your portfolio to its primary narrative
• Check if any single narrative exceeds 40% of your portfolio
• Calculate your stablecoin percentage, and aim for 5-15% as dry powder
• Identify any two tokens in your portfolio with very high correlation
• Consider how your crypto allocation fits within your overall financial portfolio

Common Mistakes

• Thinking 10 different tokens means diversification, when correlation matters more than count
• Having 0% stablecoins, because no dry powder means you can't buy opportunities during dips
• Not realising that all altcoins are correlated with BTC during sell-offs
• Ignoring that crypto already gives you dollar exposure, so don't double up if you already hold dollar assets