Bitcoin can be less volatile than it once was and still be difficult to own when markets turn. That tension sits at the centre of BlackRock’s latest case for a measured allocation: the asset has become easier to access through ETFs and more embedded in institutional market infrastructure, but it has also fallen roughly 50% from its October 2025 high.

For BlackRock, that decline does not invalidate Bitcoin’s longer-term portfolio role. Its August research attributed the retreat chiefly to crypto-native deleveraging and changes in investor flows, rather than a breakdown in the underlying investment case. The more demanding question for investors is not whether Bitcoin has ceased to be risky. It is whether market maturation has made a tightly limited exposure more workable than it was in earlier cycles.

That is a narrower proposition than the familiar claim that Bitcoin is “digital gold.” BlackRock’s own correlation, volatility and drawdown data point to an asset that may add diversification at the margin, but remains far closer to a high-risk allocation than a conventional defensive holding.

ETF access, options and long-term holders behind Bitcoin’s volatility compression

Jay Jacobs, BlackRock’s U.S. head of thematic and active ETFs, said Bitcoin volatility had compressed from approximately 80 to a 35–40 range. In comments reported by Benzinga, he linked the change partly to deeper ETF access, options markets and a wider base of long-term investors.

Those developments alter how investors enter and trade the market: ETFs provide a listed vehicle, options broaden hedging and positioning methods, and long-term holders may reduce dependence on short-horizon speculative flows. They do not, however, eliminate the possibility of sharp repricing. BlackRock’s longer-run data showed rolling one-year Bitcoin volatility near the mid-50% range at the end of 2024, still substantially above gold, global equities and U.S. bonds.

The roughly 50% decline from the October 2025 high illustrates the distinction. In its August analysis, BlackRock attributed the episode mainly to crypto-native deleveraging and changes in investor flows rather than a breakdown in Bitcoin’s long-term investment case. Better market infrastructure may affect Bitcoin’s long-run behaviour without making short-run losses easy for investors to absorb.

The 1%–2% allocation result is a sizing argument, not a low-volatility claim

BlackRock’s most useful conclusion is also its most constrained. In an updated 10-year analysis, the firm found that adding a modest 1%–2% Bitcoin allocation to a traditional 60/40 portfolio improved historical risk-adjusted returns. That finding argues for small position sizing, not for replacing the stabilising role usually played by bonds or other lower-volatility assets.

A position at that scale can have an effect on historical portfolio outcomes precisely because Bitcoin’s price movements have been large. The same feature means that the allocation must remain limited if the investor wants to contain its contribution to total portfolio risk. The analysis therefore turns less on calling Bitcoin safe than on accepting that a small, volatile component can alter a portfolio’s return and risk profile.

That distinction is important because “diversifier” is often used too broadly. It can mean an asset does not move in lockstep with stocks; it does not necessarily mean it protects capital during stress. BlackRock’s analysis supports the former, qualified role in a 60/40 mix. Its volatility evidence places clear limits on the latter interpretation.

The result is also historical rather than a guarantee about future outcomes. Portfolio analysis can show how an allocation would have affected risk-adjusted returns over the period studied, but it cannot ensure that correlations, flows or volatility will behave similarly through the next market shock. For an asset with Bitcoin’s record, the gap between a tolerable model weight and a tolerable lived experience remains central.

Bitcoin’s 0.53 S&P 500 correlation leaves it well short of gold’s independence

Correlation provides the clearest check on the gold comparison. BlackRock reported that Bitcoin’s correlation with the S&P 500 was 0.53 since 2022, compared with 0.19 for gold. A 0.53 reading is well below a perfect one-for-one relationship with equities, so it leaves room for diversification. It is nevertheless materially higher than gold’s reading over the same period.

That places Bitcoin in an awkward but more accurate category. It has not simply become another expression of equity risk, yet its relationship with stocks has been considerably tighter than gold’s. Investors looking for a holding that has historically moved with greater independence from the equity market have stronger support in the gold comparison than in the Bitcoin one.

BlackRock’s data therefore does not erase the diversifier case; it defines its boundaries. Bitcoin may contribute something different to an equity-and-bond portfolio, particularly when held in a small weight, but the evidence does not support treating it as a direct substitute for gold’s historical portfolio function. The distinction matters most during periods when investors expect diversification to work rather than merely improve a backtest.

It also helps explain why the firm’s 1%–2% result is more credible than a larger-allocation narrative. A small exposure does not require Bitcoin to become a safe haven. It requires only that its return pattern is not identical to the rest of the portfolio and that its volatility is kept from overwhelming the allocation’s potential benefit.

Rolling one-year volatility of Bitcoin versus gold, global equities, and U.S. aggregate bonds, December 2017–December 2024. — Source: iShares by BlackRock

Four drawdowns above 50% define the execution constraint

The practical constraint is Bitcoin’s drawdown history. Since 2014, it has experienced four declines exceeding 50%, according to iShares by BlackRock. The three largest averaged about an 80% fall, and recovery took nearly three years in three of the four major corrections.

Those episodes test whether investors can maintain an allocation through severe declines and extended periods below their purchase price. An investor who reduces exposure after such a fall may not realise the historical outcome implied by a strategic allocation analysis; an investor who maintains a small weight must accept that it may remain underwater for an extended time.

BlackRock’s iShares Bitcoin Trust ETF fact sheet makes the limitation explicit: the prospectus describes Bitcoin exposure as speculative, warns of extreme volatility and total loss, and says diversification may not protect against market or principal losses.

That warning is consistent with BlackRock’s case for a 1%–2% allocation. Bitcoin is treated as a small, bounded source of differentiated exposure within a broader portfolio—not as a low-volatility asset whose drawdown history no longer applies.

Disclaimer: This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.

Source: Crypto Daily