I. Introduction: On-Chain Data — The Honest Language of Market Cycles
In the cryptocurrency market, price movements are often the most deceptive signals. By the time mainstream media is celebrating "new all-time highs," smart investors are already asking: Who's buying? Who's selling? Are they in profit?
The answers to these questions lie in on-chain data. Unlike financial statements in the stock market, every transaction on the blockchain, every change in address balances, is public, transparent, and immutable. By analyzing this data, we can see through the price noise to understand the true supply-demand dynamics, investor profit/loss status, and capital flow direction.
Among all on-chain indicators, MVRV (Market Value to Realized Value) and SOPR (Spent Output Profit Ratio) are the two most classic and reliable tools for identifying transitions between bull and bear cycles. This article provides a deep dive into their calculation logic, quantitative boundaries, and how to combine them to recognize cycle tops and bottoms.
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II. MVRV: The Thermometer for Market "Bloat"
1. What Is MVRV?
MVRV (Market Value to Realized Value), introduced by Murad Mahmudov and David Puell in 2018, is one of the most important valuation metrics in the cryptocurrency space.
- Market Value (MV): Current price × circulating supply. This is the standard market cap we see everywhere.
- Realized Value (RV): The sum of every Bitcoin's last moved price multiplied by its quantity. It reflects the aggregate cost basis of all Bitcoin — essentially, the market's average acquisition cost.
MVRV = Market Value / Realized Value
When MVRV > 1, the current price is above the market's average cost basis, and the market as a whole is in profit. When MVRV < 1, the price has dropped below the average cost line, and the market is at a net loss.
2. MVRV Z-Score: Identifying Extreme Deviations
While MVRV alone is useful, an even better version is the MVRV Z-Score, which compares MVRV to its historical mean, standardized in units of standard deviation:
MVRV Z-Score = (MVRV − Mean of MVRV) / Standard Deviation of MVRV
The advantage of the Z-Score is that it filters out long-term background trends and highlights extreme deviations.
3. Quantitative Boundaries Across Historical Cycles
Looking back at Bitcoin's past three complete cycles:
Historical Top Signals:
- 2011 Top: MVRV Z-Score ≈ 7.5
- December 2013 Top: MVRV Z-Score ≈ 5.5
- December 2017 Top: MVRV Z-Score ≈ 12
- April 2021 Top: MVRV Z-Score ≈ 7.5
- November 2021 Top: MVRV Z-Score ≈ 4.8
Historical Bottom Signals:
- Late 2011 Bottom: MVRV Z-Score < 0
- January 2015 Bottom: MVRV Z-Score = −0.4
- December 2018 Bottom: MVRV Z-Score = −0.5
- March 2020 (Black Thursday): MVRV Z-Score ≈ 0.1
- November 2022 (FTX Collapse): MVRV Z-Score ≈ −0.3
Key Takeaway: When the MVRV Z-Score enters negative territory, it signals a "capitulation sell-off" — typically an excellent entry point for long-term investors. When the Z-Score breaks above 7, the market is in a state of extreme greed, and it's time to consider scaling out.
III. SOPR: Tracking On-Chain Profit-Taking and Loss-Selling Behavior
1. What Is SOPR?
SOPR (Spent Output Profit Ratio), introduced by Renato Shirakashi in 2019, measures whether Bitcoin being moved on-chain is being sold at a profit or a loss relative to its last moved price:
SOPR = Sale Price / Purchase Price
- SOPR > 1: The Bitcoin being spent was, on aggregate, acquired at a lower price (in profit).
- SOPR = 1: Breakeven.
- SOPR < 1: The Bitcoin being spent was acquired at a higher price (at a loss).
SOPR is typically presented as a 1-hour, 24-hour, or 7-day moving average to smooth out short-term noise.
2. Three Critical SOPR Patterns
Pattern A: SOPR Pullback to ~1 During a Bull Market
In a healthy uptrend, SOPR will periodically fall back to around 1 (even briefly dipping below), then quickly bounce back. This indicates that profit-taking investors are pausing, and the market is absorbing selling pressure. This is a buying opportunity within a bull market.
Pattern B: Sustained SOPR Below 1 — Bear Market Confirmed
When SOPR stays below 1 for an extended period, it means investors are being forced to sell even at a loss (capitulation). This is a classic mid-bear-market characteristic and usually signals further downside.
Pattern C: SOPR Refuses to Pull Back at High Levels — Top Signal
When prices hit new highs but SOPR refuses to fall back near 1 and instead stays elevated above 1.05, it means every minor dip sees significant profit-taking. This is characteristic of a market top zone, indicating that selling pressure is building.
3. aSOPR: The Noise-Filtered Advanced Version
Adjusted SOPR (aSOPR) is an improved version of SOPR that filters out intra-exchange transfers and outputs with a lifespan of less than one hour (eliminating short-term trading and wash trading). It provides a clearer picture of genuine investor behavior.
IV. MVRV × SOPR: The Resonance Law of Cycle Transitions
No single indicator is infallible. But when MVRV and SOPR align, accuracy improves dramatically.
1. The "Dual Signal" for Bottom Confirmation
Characteristics of a Bottom Zone:
- MVRV Z-Score enters negative territory or approaches 0
- SOPR sustains below 1, followed by a capitulation bounce
- Both indicators improving simultaneously = Bear market bottom confirmed
Case Study: November 2022:
- After the FTX collapse, MVRV Z-Score dropped to −0.3, entering the deep value zone.
- aSOPR consistently ran between 0.95–0.98, indicating panic selling.
- When SOPR reclaimed 1 and the MVRV Z-Score stabilized and bounced back, it marked the cycle bottom around $15,500.
2. The "Dual Signal" for Top Warning
Characteristics of a Top Zone:
- MVRV Z-Score > 7 (or at least > 5)
- SOPR remains elevated and refuses to pull back near 1
- Price makes new highs while indicators weaken = Bearish divergence; reduce exposure
Case Study: November 2021:
- BTC hit a new all-time high of $69,000.
- MVRV Z-Score ≈ 4.8. While not as extreme as 2017, it was firmly in overvalued territory.
- aSOPR showed early signs of weakness, with profit-taking pressure mounting.
- Following the dual-signal warning, the market entered a year-long bear market.
3. A Quantitative Decision Framework for Bull-Bear Transitions
V. HIBT: Your On-Chain Data Analytics Partner
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VI. On-Chain Signal Outlook for the Current Cycle (2025–2026)
As of early 2026, Bitcoin is at a critical intersection of technical and cyclical dynamics:
Key Thresholds to Watch:
- Whether MVRV Z-Score breaks through the 5–7 historical overvaluation band
- Whether aSOPR maintains a healthy pattern of pulling back near 1 during uptrends
- Changes in long-term holder (LTH) supply ratios
If MVRV Z-Score breaks above 7 and SOPR shows bearish divergence, this would be the strongest warning signal for a cycle top. Conversely, if the market experiences a deep correction that pushes the MVRV Z-Score back near 0, it could represent the best accumulation window for the next bull run.
VII. Conclusion: On-Chain Data Isn't a Crystal Ball — But It's the Best Compass
MVRV and SOPR are not perfect indicators. They have limitations:
- Shifting market structures may alter the validity of historical thresholds
- Institutional capital inflows may cause indicators to behave differently than in past cycles
- Short-term black swan events can temporarily distort readings
Yet they remain the most reliable on-chain analysis framework available today. By combining MVRV (to gauge overall valuation levels) and SOPR (to assess investor behavior patterns), you can build a data-driven, quantitative system for identifying bull and bear markets.
Remember: In the cryptocurrency market, data is your moat, and discipline is your lifeline.
Disclaimer: This article is for educational purposes only and does not constitute investment advice. The cryptocurrency market is highly volatile. Please make independent judgments based on your personal circumstances and consult a professional financial advisor when necessary. On-chain indicators are decision-support tools only; past performance does not guarantee future results.