Exchange balances hit an 8-year low, and a "supply squeeze" is underway on the BTC chain

Beneath the choppy market around $64,000, an "quiet exit" is taking place—centralized exchange BTC balances have fallen to the lowest level since December 2017.
# Exchange balances hit an 8-year low, and a "supply squeeze" is underway on the BTC chain
## An unintuitive phenomenon
Over the past two weeks, the BTC price has been hovering in the $64,000–$65,000 range, almost lulling people to sleep. But if you open the on-chain dashboards of Glassnode or CryptoQuant, you’ll see a completely different picture: **BTC on exchanges is being "emptied out."**
As of early May 2026, the total BTC reserves of global centralized exchanges have fallen to about 2.679 million coins, the lowest level since December 2017. Starting from the 3.2 million coin peak in 2024, cumulative reductions have exceeded 520,000 BTC. Only between February and May 2026, Binance, OKX, and Gemini together saw nearly 100,000 BTC flow out, worth more than $8 billion.
This isn’t a phenomenon limited to a single exchange—it’s a synchronized pullout across the entire industry. Binance dropped from about 670,000 coins to 620,000, and OKX dropped from 132,000 to 102,000. **When coins decrease in exchange wallets, it means tradable supply has decreased—this is a typical "supply tightening" signal.**
## Signal 1: Exchange balances are at the lowest in 8 years
Exchange BTC balances are the most direct indicator of short-term selling pressure. Rising balances mean sell orders are gathering; falling balances mean coins are locked into cold wallets.
What does 2.679 million coins mean? Let’s compare with historical reference points:
- When BTC first broke $20,000 in Dec 2017: about 2.67 million coins
- Top of the 2021 bull market (around $69,000): about 3.10 million coins
- Peak after the 2024 halving: about 3.2 million coins
- **Current (May 2026): about 2.679 million coins**—back to 8 years ago
More intriguing is the outflow pace. Over the three months from February to May, 100,000 BTC disappeared from exchanges. This means that every day, about 1,100 BTC moves from a tradable state into long-term storage. **At the current price, that’s equivalent to roughly $70 million in "silent coins" being locked up every day.**
## Signal 2: Long-term holder share breaks above 73.77%
If exchange balances tell us "where the coins went," then the long-term holder (LTH) share tells us "who has them right now."
According to Glassnode data, as of May 1, 2026, the share of BTC supply controlled by long-term holders (addresses holding coins for more than 155 days without moving) has exceeded 73.77%, approaching the historical cycle peak.
What does that mean? In mid-2025, this ratio was about 70%, and it has been rising steadily over the past 12 months. **In typical market cycles, the LTH share usually reaches its highest level at the bottom of a bear market and drops sharply at the top of a bull market—because coin holders distribute their supply to new entrants.**
This current LTH share of 73.77% is showing up when the price is still relatively high around $65,000. That implies that after the extreme drawdown from 126,000 → 60,000 at the end of 2025, this batch of "diamond hands" chose to keep holding rather than panic-sell. In its May 5 report, Glassnode noted that although BTC has traded above $80,000, the average daily realized profit for long-term holders is only about $180 million—far below the distribution scale of over $1 billion per day at the peak of this cycle.
## Signal 3: Whales sweep up 66,700 BTC over 60 days
If LTHs are "long-term deposits," then whales (addresses holding 1,000+ BTC) are the most active buyers right now.
CryptoQuant data shows that since July 2026, Bitcoin whales have cumulatively added 66,700 BTC over the past 60 days. Valued at the prices at the time, that’s about $4.3 billion—this is the largest whale buying wave since February 2026.
The number of whale entities is rising in sync: on July 23, the number of entities holding at least 1,000 BTC increased from 1,263 to about 1,267 within three days. Net long positions for large BTC holders on Hyperliquid have risen to the highest level in 2026, and funding rates are close to zero—meaning the cost for long positions is extremely low, which is usually more sustainable than periods with high funding rates.
**With these three signals stacking together, they point to the same conclusion: BTC’s circulating supply is being locked up quickly.** This sharply contrasts with the "loose supply" before the 2024 halving.
## Thermometer: MVRV Z-Score 1.2
If coins are being locked up, is the price "undervalued" or "overvalued"? The MVRV Z-Score (a standardized metric based on the difference between market cap and realized cap) is the thermometer for that.
Current reading is 1.2, near the historical median:
- < 0: Cycle bottom signal (late 2018, late 2022)
- 1.0-1.5: Healthy neutral range (current position)
- > 2.0: Overbought warning (tops were seen in this zone in April 2021 and November 2025)
- > 3.0: Extreme euphoria
**A reading of 1.2 means the market is neither overheated nor panicked, and valuations are in a "just-so" neutral zone.** Historically, the longer MVRV Z-Score stays in the 1.0-1.5 range, the stronger the explosive power tends to be when it breaks above the upper band later—because coins/lottery tickets are locked up more thoroughly.
## Three "undertows" you shouldn’t ignore
However, there are three dark clouds in the optimistic narrative.
**First, the net position growth rate of long-term holders is slowing down.** The Hodler net position change indicator shows that on July 11 it was 29,838 BTC, but by July 26 it had fallen to 15,766 BTC—a 47% drop over two weeks. This is an "undertow" within the LTH group: they still hold, but the pace of adding is clearly cooling.
**Second, extreme shorts have appeared inside the whales.** On August 13, Lookonchain monitored that whale DoshiAtoll’s 40x BTC short had been added up to 2,135 BTC (worth nearly $136 million), making it the largest short position on Hyperliquid. Its liquidation price is $64,592, with an average entry price of $63,851. **When one side is疯狂扫货 in the spot market while the other side is加杠杆 shorting in derivatives, the disagreement is already written on their faces.**
**Third, this week’s latest update from Glassnode: BTC is in a "late-stage bear market compression phase," and true demand signals have not yet appeared.** Spot trading volume hit the lowest level since 2019; the market is in an extremely quiet compression state—core inflation in July fell to 2.5%, and the stock market set fresh highs again, but BTC barely reacted or even weakened.
## Final thoughts
Back to the phenomenon at the start: exchange balances are at an 8-year low, LTH share is at a historical high, and whales have swept $4.3 billion in 60 days—three sets of data all point to "supply tightening." But prices didn’t move.
The answer might be: **the tightening is real, but demand is also missing.** This isn’t the two-engine drive of 2021-style "retail FOMO + institutional buying," but a tug-of-war between "old money locking up coins" and "new money not yet entering."
Smart money is waiting for two signals—**either the LTH share breaks above 76% (maximum coin-locking), or spot ETFs show steady net inflows for more than 3 consecutive weeks (confirmation of incremental demand).** Until then, the $65,000 range-bound volatility is the main tone.
Which side do you favor more? Will exchange balances keep setting new lows and become the fuse for the next upswing, or will it be another lonely episode of "liquidity being locked away"? Feel free to share your view in the comments.
#BTC $BTC  #链上数据 #Glassnode #CryptoQuant