Will ETFs Overpower the Cycle? Bitcoin’s 2026 Setup as RSI Flashes Oversold and $170K Talk Returns

Bitcoin’s RSI dipped below 30 again, reviving calls for a $170K sprint as ETF access widens. Analysts say flows could dominate 2026—even as macro and risk appetite call the tune.

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Because Bitcoin

December 19, 2025

Bitcoin’s near-term tape looks tired, but the scaffolding for 2026 is getting sturdier. The tell: a fresh oversold print on the relative strength index (RSI) just as institutional rails for spot exposure harden. If history rhymes, the timing signal and the flow machine can feed each other.

Here are the facts that matter right now: - After sliding from the October 6 high near $126,080, price based around $84,000 on November 22. RSI fell below 30—an “oversold” zone that, since 2023, has preceded five recovery phases. - Julien Bittel of Global Macro Investor mapped those prior episodes and argues a similar path could carry Bitcoin toward $170,000 in under three months. He also downplays the idea that the classic four‑year cycle still drives outcomes. - Others are more guarded. Dean Chen at Bitunix calls the setup “conditionally bullish” and notes any trajectory toward $170K hinges on liquidity, policy, and broad risk appetite—not pattern repetition. - Context helps: every down year in Bitcoin’s history has been followed by a green one. With 2025 roughly 5% lower year-to-date, a red close would fit that cadence and improve 2026 odds. Still, mean reversion is not an automatic accelerator. - Spot price is around $88,000, up 0.7% over 24 hours (CoinGecko). Prediction markets on Myriad assign a 61% chance that $100,000 prints before $69,000, a probability that has held steady for about a week despite multiple tests of $90,000.

The more important driver into 2026 is structural. ETF access has opened the door to “trillions” in potential capital from wirehouses and advisory platforms. Matt Hougan expects next year to be a record for inflows and frames the macro as a “heads we win, tails we win” dynamic—growth supports risk assets, policy support boosts liquidity. That’s the spine of the bull case: persistent, rules‑based allocations meeting a fixed‑supply asset.

This is where I focus. ETFs convert sporadic crypto-native demand into systematic flows. Advisors don’t chase; they rebalance. Once models include a crypto sleeve, dollars arrive on schedules—quarterly model updates, year-end tax planning, and risk-budget resets. Even a 25–50 bps model weight across large platforms translates to tens of billions in potential net bids over time. That is not momentum; it’s plumbing.

Why it matters for the RSI signal: - Oversold RSI often marks a behavioral reset—capitulation, deleveraging, and then stabilization. - If the “reset” coincides with new ETF pipelines coming online across more platforms, flow can compress the recovery timeline, which is how you get to aggressive targets quickly when liquidity is thin. - But this only works if macro doesn’t fight it. Higher real yields, tighter dollar liquidity, or a risk-off shock can slow or reverse those flows, even if they’re available.

One more shift to watch: correlation. If ETFs keep onboarding and tokenization narratives gain traction, price discovery can be driven increasingly by crypto-specific catalysts. Hougan expects lower equity correlation ahead. That view resonates—diversified advisory demand plus idiosyncratic product cycles can give Bitcoin its own clock, independent of the S&P’s mood, at least at the margin.

Risks remain obvious. “Conditional” is doing real work here. Policymakers can surprise, risk budgets can shrink, and historical analogs can fail. Transient pressures—like selling tied to halving-cycle superstition or October’s leverage washout—fade over time, but they still leave dents in positioning that take weeks to repair.

Netting it out: the RSI oversold print is a clean timing cue; the ETF onboarding is the structural engine. If those two align while macro stays permissive, the 2026 runway looks strong. If they decouple, price can chop longer than bulls expect. Either way, the market is transitioning from narrative-led surges to pipeline-led accumulation. That’s what gives a $170K debate real oxygen—without requiring traders to believe in ghosts from past cycles.