NakamotoNotes provides data and education, not financial advice. Bitcoin is volatile; you can lose money. Do your own research.

---

The Bitcoin halving is the single most important structural event in Bitcoin's four-year cycle. It determines the rate at which new Bitcoin enters circulation, creates predictable supply shocks, and has preceded every major bull market in Bitcoin's history. Understanding how it works — and how it affects price — is foundational to understanding Bitcoin as an investment.

What Is the Bitcoin Halving?

When Bitcoin was created in 2009, Satoshi Nakamoto programmed a fixed monetary policy into the protocol: new Bitcoin is created and awarded to miners (the computers that secure the network) at a decreasing rate. Every 210,000 blocks — approximately every four years — the reward given to miners for validating transactions is cut in half. This event is the Bitcoin halving.

At Bitcoin's launch, miners received 50 BTC per block. The halvings since then:

Halving	Date	Block Height	Reward (BTC)	BTC Price at Halving
Genesis (launch)	Jan 2009	0	50 BTC	~$0
1st Halving	Nov 28, 2012	210,000	25 BTC	~$12
2nd Halving	Jul 9, 2016	420,000	12.5 BTC	~$650
3rd Halving	May 11, 2020	630,000	6.25 BTC	~$8,600
4th Halving	Apr 19, 2024	840,000	3.125 BTC	~$63,700

The next halving will occur around 2028, when the block reward drops to 1.5625 BTC. This process continues approximately every four years until all 21 million Bitcoin have been mined — estimated around the year 2140.

Why Does the Halving Matter for Price?

The halving is a supply shock. When the reward cuts in half, miners receive 50% fewer new Bitcoin for the same amount of work. If demand stays constant — or grows — while new supply is suddenly cut, basic economics suggests the price should rise.

But the real mechanism is more nuanced than simple supply and demand. Here's why the halving drives market cycles:

1. Miner Selling Pressure Drops

Miners are the primary source of new Bitcoin entering the market. Because they have ongoing operating costs (electricity, hardware, staff), they must sell a portion of their Bitcoin rewards to cover expenses. When the halving cuts their revenue in half overnight, the amount of Bitcoin being sold into the market drops significantly.

This reduced selling pressure can shift the supply/demand balance even before any new buyers enter the market.

2. Supply Issuance Rate Drops to New Lows

After each halving, Bitcoin's annual inflation rate (the rate at which new coins are created) falls to a new historic low. After the 2024 halving, Bitcoin's annual issuance rate dropped to approximately 0.85% — lower than gold's estimated annual mining rate of 1.5–2%.

For investors who view Bitcoin as a scarce store of value ("digital gold"), this milestone is significant: Bitcoin is now provably scarcer than gold in terms of new supply growth.

3. The Stock-to-Flow Ratio Doubles

The stock-to-flow ratio measures the relationship between existing supply (stock) and annual new production (flow). Gold has a high stock-to-flow because it accumulates over centuries while annual mining adds little. After each Bitcoin halving, Bitcoin's stock-to-flow ratio doubles — making Bitcoin's scarcity model increasingly similar to gold's.

Proponents of the stock-to-flow model argue this programmatic increase in scarcity is the fundamental driver of Bitcoin's long-term price appreciation.

Bitcoin Halving Cycle Performance

Looking at historical performance around each halving:

1st Halving (Nov 2012 — reward: 25 BTC)

• Price at halving: ~$12
• Peak in the following cycle: ~$1,150 (Dec 2013) — approximately +9,500%
• Time from halving to peak: ~13 months

2nd Halving (Jul 2016 — reward: 12.5 BTC)

• Price at halving: ~$650
• Peak in the following cycle: ~$20,000 (Dec 2017) — approximately +2,970%
• Time from halving to peak: ~17 months

3rd Halving (May 2020 — reward: 6.25 BTC)

• Price at halving: ~$8,600
• Peak in the following cycle: ~$69,000 (Nov 2021) — approximately +700%
• Time from halving to peak: ~18 months

4th Halving (Apr 2024 — reward: 3.125 BTC)

• Price at halving: ~$63,700
• Cycle peak: TBD — cycle ongoing as of mid-2026

A clear trend emerges: each successive halving produces a smaller percentage gain (as Bitcoin's market cap grows, larger absolute dollar moves are required for equivalent percentage returns), but the structural pattern — halving followed by a bull market 12–18 months later — has held across three full cycles.

The Halving and Bear Markets

Just as halvings precede bull markets, they also define the structure of bear markets. After each post-halving peak, Bitcoin has entered an extended bear market lasting 12–18 months. These bear markets have historically bottomed approximately 12–18 months after the cycle peak — before the next halving begins the next accumulation phase.

Understanding this rhythm helps investors contextualize where we are in the cycle at any given time. The NakamotoNotes Bitcoin Barometer tracks multiple indicators that collectively reflect cycle position, including those that are particularly sensitive to post-halving dynamics like the Puell Multiple (miner revenue relative to its annual average).

Common Misconceptions About the Halving

"The halving immediately causes price to rise"

False. In all three historical cases, the price did not immediately surge at the halving event. Often Bitcoin was range-bound or even declined briefly around the halving date. The bull market that followed developed over 12–18 months as reduced supply combined with growing demand.

"The halving is already priced in"

This is a perennial debate. Markets are forward-looking, and the halving date is known years in advance. Yet the same bull market pattern has occurred after every halving — suggesting that the market either doesn't fully price in the supply shock, or that new demand from new buyers entering the market post-halving overwhelms any "priced in" effect.

"The halving will stop mattering as Bitcoin matures"

Possibly true over very long time horizons. As miner rewards become a smaller fraction of circulating supply and Bitcoin's value increasingly comes from transaction fees rather than block rewards, the halving's direct market impact may diminish. However, the psychological significance of halving events and their ability to generate media attention and retail interest ensures they will remain meaningful catalysts for many cycles to come.

What Happens After All Bitcoin Is Mined?

Bitcoin's final coin will be mined around the year 2140. After that, miners will earn only transaction fees for securing the network. This transition is one of the longest-debated topics in Bitcoin economics — whether transaction fees will be sufficient to maintain Bitcoin's security budget is an open question that won't need to be resolved for over a century.

For current investors, this question is largely academic. The relevant halvings for any investor alive today are those in 2024, 2028, 2032, and perhaps 2036.

How the Halving Cycle Fits with Other Indicators

The halving creates the rhythmic backbone of Bitcoin's four-year cycle. All the major Bitcoin indicators track where we are within that cycle:

• Puell Multiple — directly measures miner revenue relative to its one-year average; most sensitive to halving-driven supply changes
• MVRV Z-Score — tracks whether Bitcoin is overvalued or undervalued relative to its on-chain cost basis
• NUPL — measures aggregate unrealized profit; typically low near halvings (post-bear market) and high near cycle tops
• Pi Cycle Top — a moving average crossover signal that has identified cycle peaks 12–18 months post-halving
• Mayer Multiple — price relative to 200DMA; particularly useful for identifying both bear market bottoms and bull market tops within each halving cycle

The NakamotoNotes Bitcoin Barometer synthesizes all of these cycle signals into a single daily score that helps you understand your position in the halving cycle without needing to track five indicators manually.

Frequently Asked Questions

When is the next Bitcoin halving?

The next Bitcoin halving is expected around April 2028, when the block reward will drop from 3.125 BTC to 1.5625 BTC. The exact date depends on the rate at which Bitcoin blocks are mined, which averages approximately 10 minutes per block but varies.

Does the halving guarantee a bull market?

Nothing in markets is guaranteed. The three historical post-halving bull markets provide compelling evidence for the pattern, but past performance doesn't guarantee future results. The degree of future gains may also diminish as Bitcoin's market cap grows.

Should I buy Bitcoin before or after the halving?

This is a personal decision based on your risk tolerance and investment goals. Historically, the best returns came from buying in the bear market before the halving, when indicators like the Mayer Multiple and MVRV Z-Score are in extreme undervaluation territory. But timing the market is notoriously difficult — a regular DCA strategy removes the need to call bottoms precisely.

How do I track where we are in the halving cycle?

The NakamotoNotes app tracks the full suite of halving-cycle indicators and presents them as a single Bitcoin Barometer score. Download on the App Store or Google Play.

Conclusion

The Bitcoin halving is the cornerstone of Bitcoin's economic design. By programming a predictable, transparent, and immutable monetary policy into the protocol, Satoshi Nakamoto created a system that reduces new supply on a fixed schedule — creating the supply shocks that have driven every major Bitcoin bull market to date.

For investors, understanding the halving cycle is the foundation of understanding Bitcoin. It explains why Bitcoin tends to move in four-year cycles, why bear markets eventually end, and why the next cycle always produces a new all-time high — so far. Used alongside cycle indicators like the MVRV Z-Score, NUPL, Mayer Multiple, and Pi Cycle Top, knowledge of the halving cycle helps you invest with conviction rather than emotion.

Track your position in the Bitcoin halving cycle with NakamotoNotes.