Bitcoin [BTC], the largest cryptocurrency by market capitalization at $1.35 trillion, is navigating one of the most unprofitable periods in its history. The downturn has persisted across three separate quarters and two calendar years, diverging from the broader equities market and leaving a substantial share of investors holding positions below their cost basis.

One correlation, however, has endured through the divergence: the relationship between Bitcoin and the $4.8 trillion technology giant Apple [AAPL]. Cross-asset ratios like this one are closely watched by traders because they distill two large, liquid markets into a single relative-value signal, making it easier to spot when one asset is stretched compared to the other.

Bitcoin-AAPL Ratio Could Frame the Next Cycle

Alphractal has published a chart plotting Bitcoin against AAPL shares, revealing a correlation that traders can use to gauge where each asset sits within its respective market cycle. The ratio has traded inside an ascending channel dating back to 2017, providing nearly a decade of price history as a structural reference.

Parallel ascending support and resistance lines define the channel. Historically, the lower boundary has marked undervalued territory for Bitcoin, while the upper boundary has signaled overvaluation. Every long-term Bitcoin cycle during that period has respected those thresholds.

Alphractal's data now places the ratio in close proximity to the support line once again, with the remaining gap described as narrow. A move into that region, consistent with prior instances, would place Bitcoin in the accumulation zone that has preceded each of its earlier expansion phases. In practice, the term accumulation zone refers to price levels where long-term investors have historically increased exposure before prior rallies, though past channel behavior does not guarantee future outcomes.

Bitcoin-S&P 500 Correlation Breaks in 2025

Bitcoin and the equities market, represented by the S&P 500, have tracked each other on an annual basis since 2017. That pattern held consistently — a positive year for Bitcoin coincided with a positive year for the S&P 500, and vice versa, with Bitcoin typically delivering the larger move in either direction. The consistency of that annual alignment over eight years is what makes the current break notable for analysts who model Bitcoin alongside risk assets.

In 2025, that correlation broke. Bitcoin closed the year down 6%, while the S&P 500 posted an 18% gain. Approximately $1 trillion exited Bitcoin's market capitalization between October and December of that year alone. The Nasdaq 100 showed the same divergence, indicating the break extended across the broader equities complex.

Bitcoin's sharper reaction to a series of macroeconomic shocks accounts for the gap. Key drivers included the October 10 liquidation event, the tariff dispute with China, and the U.S.–Israel–Iran conflict. These events pushed investors away from risk assets and toward safer alternatives.

Notably, these shocks fall outside the eight years of alignment that preceded them, yet the longer-term structure — and the ascending channel within which the Bitcoin-AAPL ratio still trades — remains intact.

On-Chain Signal to Watch

While the Bitcoin-AAPL relationship offers traders a framework for anticipating a rally, on-chain data provides a complementary signal for timing. Stablecoin inflows onto exchanges serve as a widely tracked indicator, as they typically reflect capital rotating back into the crypto market ahead of an expansion. The metric matters because stablecoins function as the primary on-ramp for purchasing crypto assets, so rising exchange balances can signal dry powder preparing to deploy. Bitcoin has historically captured the largest share of such inflows during prior cycles.

DeFiLlama data shows $1.42 billion in stablecoins entering the market over the last seven days. That figure remains well below the levels associated with previous rallies and is overshadowed by the more than $10 billion withdrawn over the preceding thirty days. The gap between recent inflows and the larger trailing outflows indicates that, by this measure, the liquidity conditions that preceded earlier expansions have not yet reformed.

Key Data Points

• The Bitcoin-AAPL ratio has traded within an ascending channel since 2017.
• Stablecoin inflows of $1.42 billion over seven days sit well under the $10 billion pulled from the market across the prior thirty days.