TLDR
On-chain metrics indicate that more than half of Bitcoin (BTC) supply is currently held at a loss, a pattern associated with late-stage bear markets.
- Underwater means BTC whose last on-chain cost basis is above the current price, and supply in loss has just exceeded supply in profit.
- Historically, periods when most BTC is underwater have aligned with major cycle bottoms and high-conviction accumulation zones.
- The setup still carries downside risk, with key levels like the realized price and long-term holder behavior worth monitoring.
Deep Dive
1. What Half Underwater Actually Means
On-chain analysts track supply in loss, the amount of BTC whose last moved price on-chain is higher than the current market price. Recently, this metric reached about 10.45 million BTC, exceeding roughly 9.60 million BTC in profit, meaning over half the circulating supply is underwater, according to analyst Ali Martinezs commentary on recent market data.
This indicates that a majority of holders are sitting on unrealized losses at current prices near the high 50,000s USD, which helps explain the strong fear and defensive positioning seen across derivatives and spot markets.
The headline describes holder cost basis, not insolvency. It signals stress and capitulation risk, but also potential value zones for long-term accumulators.
2. Why This Often Aligns With Cycle Bottoms
Analysts note that prior cycles saw supply in loss dominate supply in profit around major bottoms, such as in 2011, 2014, 2018, and 2020, and interpret the current crossover as a high-conviction accumulation zone for BTC.
Another key metric, the realized price, currently around 53,300 USD, marks the average on-chain cost basis. BTC is only a few thousand dollars above this level, which has historically been the region where deep bear markets bottom before new uptrends.
At the same time, long-term holders (coins held for at least about 155 days) now control a record share of supply, over 14.7 million BTC, which has previously coincided with cycle lows and suggests strong enduring conviction among experienced investors.
A majority of coins underwater plus record long-term holder share has historically been closer to the end of bear phases than the beginning, though timing within that zone is uncertain.
3. Risks And What To Watch Next
Despite the bottom zone narrative, several signals still point to near-term downside risk: institutional flows into spot BTC ETFs have turned negative, miners and some corporates are actively selling reserves, and trend indicators (like 50 and 200 day moving averages) remain bearish.
Key things to watch are:
- Whether BTC drops to or below the realized price region around 53,000 USD and how long it stays there.
- Long-term holder behavior, especially if they start distributing aggressively instead of accumulating.
- ETF and large-holder flows, which can quickly change supply and demand balance even in an apparent accumulation zone.
Confidence: moderate because the on-chain patterns are clear, but the presence of ETFs and large corporates makes this cycle structurally different from prior ones.
Conclusion
On-chain data showing roughly half of BTC underwater captures a moment of widespread unrealized losses and fear, yet it also resembles past late-stage bear market setups where strong hands accumulated.
For crypto users, the key is less the label of a bottom and more how price behaves around realized price, how long-term holders respond, and whether institutional flows stabilize or keep adding sell pressure in this zone.
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