The Halving Catalyst
The fourth Bitcoin halving occurred on April 19, 2024, at block 840,000, reducing the block reward from 6.25 BTC to 3.125 BTC. Daily new issuance dropped from approximately 900 BTC to 450 BTC. Bitcoin's annual inflation rate fell below 0.85% — making it officially scarcer than gold in terms of new supply.
This halving was historically unique because Bitcoin had already set a new all-time high before it occurred. In every previous cycle, the ATH came 12-18 months after the halving. This time, spot ETF demand — approved just three months before the halving — pushed Bitcoin to $73,000 in March 2024, surpassing the 2021 peak of $69,000.
The pre-halving ATH raised a fundamental question: had the cycle been "front-run" by ETF demand? Or was this simply the beginning of an even larger move? The halving occurred at approximately $63,500, and the supply-demand dynamics were the most extreme in Bitcoin's history: ETFs were routinely absorbing 5-10x daily new production.
For miners, the halving was the most consequential yet. Daily block reward revenue dropped from roughly $56 million to $28 million. Mining efficiency upgrades and consolidation accelerated, with less efficient operations shutting down.
The Bull Run
The 2024 cycle has been shaped by forces that didn't exist in any previous cycle:
January 2024: Spot Bitcoin ETFs launched with immediate success. BlackRock's IBIT became the fastest ETF in history to reach $10 billion in AUM. By year-end 2024, U.S. spot ETFs held over $100 billion.
March 2024: Bitcoin reached $73,000 — a pre-halving ATH driven by ETF demand. This broke the historical pattern of all-time highs occurring only after halvings.
December 2024: Bitcoin crossed $100,000 for the first time, peaking at $108,268. The rally was fueled by pro-crypto election results and accelerating ETF inflows.
January 2025: Bitcoin spiked to $109,000 on inauguration day amid expectations of favorable crypto policy.
March 2025: The U.S. Strategic Bitcoin Reserve was established by executive order, directing the government to hold approximately 207,000 BTC as a reserve asset.
October 2025: Bitcoin reached $126,000, the highest price in its history, before tariff-driven macro shocks triggered a reversal.
The cycle has delivered structural changes that previous cycles lacked: spot ETFs, sovereign-level adoption, regulated stablecoin frameworks (GENIUS Act), and corporate treasury allocations at unprecedented scale. Whether these translate to higher peak returns or simply a higher floor remains to be determined.
The Peak and Crash
As of early 2026, the 2024 cycle has not completed a definitive peak-to-trough pattern. However, the cycle has already featured significant volatility:
April 2025 tariff crash. Sweeping U.S. tariff announcements sparked global recession fears, sending Bitcoin from $88,000 to a low of $76,272 on April 8 — a 28% decline from the January high. A 90-day tariff pause brought recovery.
October 2025 reversal. After reaching $126,000 on October 6, Bitcoin crashed to $104,600 in a single day following 100% tariff announcements on Chinese imports. The selloff triggered $18 billion in crypto liquidations.
November-December 2025. A record U.S. government shutdown tightened liquidity. ETFs experienced $3.48 billion in monthly outflows — the largest since their launch. Bitcoin closed 2025 at $87,502, down 6% for the year.
The cycle's price action has been more macro-driven than any previous cycle. Rather than the self-contained boom-bust patterns of 2012, 2016, and 2020, the 2024 cycle has been buffeted by geopolitical events (tariffs, government shutdowns) and macro policy (rate cuts, regulatory frameworks) to a far greater degree.
Whether the cycle has peaked or the bull market has further to run depends on macro conditions, ETF flows, and the broader risk environment. Historical patterns suggest the cycle may not be complete, but this cycle has already broken several historical norms.
Lessons for Investors
The 2024 cycle, though still in progress, has already yielded important insights:
ETFs changed the game — but didn't eliminate volatility. Spot ETFs created persistent structural demand, but they also introduced a new source of selling pressure during risk-off events. ETF outflows during the October-November 2025 drawdown demonstrated that ETF capital is not "diamond hands" capital — it flows in and out based on macro sentiment.
Pre-halving ATH doesn't invalidate the cycle. The unprecedented pre-halving ATH raised concerns about front-running, but the cycle has continued to set higher highs post-halving. The specific timing of the cycle may have shifted earlier, but the fundamental thesis — reduced supply meets growing demand — still applies.
Diminishing returns trend appears intact. The one-year post-halving return of approximately +32% is the weakest in Bitcoin's history, compared to +8,233% (2012), +285% (2016), and +544% (2020). Even if the cycle eventually delivers higher peaks, the rate of appreciation has clearly slowed as Bitcoin's market cap has grown to over $2 trillion.
Macro sensitivity has increased dramatically. Tariffs, government shutdowns, rate decisions, and geopolitical events had measurable, immediate impacts on Bitcoin's price in ways not seen in earlier cycles. Bitcoin is now firmly integrated into the broader risk asset landscape, making macro literacy essential for Bitcoin investors.
Cycle indicators remain valuable but imperfect. The Power Law model, MVRV Z-Score, Pi Cycle Top, and other indicators provide context for evaluating the cycle's position. No single indicator is perfect, but using multiple signals in combination provides better cycle awareness than price alone.