What it is
Bitcoin Supply in Loss measures how much of the circulating supply is held below its on-chain cost basis. In plain English, it shows how many coins would be underwater if they moved at the current market price.
That makes it useful for reading market pain. When loss supply is high, more holders are stuck below break-even and the market usually feels more fragile. When loss supply is low, stress has already been reduced and the market is carrying less underwater inventory.
How to read it
The clearest signal comes at the extremes. Higher Supply in Loss tends to show up when the market is under real pressure, while lower Supply in Loss tends to show up after stress has already been worked off. As with Supply in Profit, the bigger signal usually comes at the edges of the range, not in every ordinary move through the middle.
This metric complements Supply in Profit rather than replacing it. One shows how much of the network is comfortably above cost basis, and the other shows how much is still trapped below it.
Low vs high loss-supply regimes
| Regime | What it usually means | How analysts use it |
|---|---|---|
| Low Supply in Loss | Relatively little of the network remains underwater | Stress has been cleared out or profit is dominant elsewhere |
| Mid Range | The market is carrying some stress, but not an extreme amount | Background context that still needs confirmation elsewhere |
| High Supply in Loss | A much larger share of supply is below cost basis | Capitulation, stress, and reset conditions |
What it says about capitulation and stress
Supply in Loss matters because underwater supply creates pressure. The more coins that are trapped below cost basis, the more likely the market is dealing with pain, weaker conviction, and reactive selling around break-even levels. That is why high readings tend to show up closer to capitulation and post-crash damage than to stable trend strength.
Low readings tell a different story. They usually mean the market has already repaired enough that loss-driven stress is no longer widespread. That does not automatically mean upside is exhausted, but it does tell you that the deeper reset phase is likely behind the market.
Limitations
Supply in Loss is not a precise timing tool. It can remain elevated during ugly repair phases, and it can stay low during strong advances without giving an immediate reversal signal. It also does not tell you anything by itself about leverage, exchange-side pressure, or short-term trader positioning.
Use it with profitability, valuation, and holder-behavior tools rather than on its own.
Related metrics and next steps
For broader stress and cost-basis context, open Holder Behavior. Closest companions: Supply in Profit, NUPL, MVRV, Realized Price, RHODL Ratio, and Reserve Risk. If you want to step back further, return to the Bitcoin On-Chain Analytics Hub.
