Reserve Risk weighs current price against the accumulated "cost" long-term holders have paid by not selling their coins over time. Low readings mean price is cheap relative to that conviction — historically a favourable buying condition. High readings mean price has run up faster than holder conviction justifies — historically a warning sign.
What Is Reserve Risk?
Reserve Risk is built around a genuinely distinct idea compared to most valuation indicators: rather than comparing price to a cost basis or a moving average, it compares price to the accumulated opportunity cost that long-term holders have absorbed by choosing not to sell. Every day a holder keeps their coins instead of selling at the current price, they're implicitly making a bet that the price will be higher later — and that decision, aggregated across the whole network over time, is exactly what Reserve Risk measures.
The Opportunity Cost Idea
Think of it this way: if Bitcoin's price is very high and a huge share of the supply still hasn't moved in years, that's a strong signal of holder conviction — those holders are giving up a lot of current value by not cashing out, and choosing to hold anyway. Conversely, if price is low and most of the supply is still sitting untouched, the "cost" of that continued conviction is much smaller — holding isn't much of a sacrifice when price hasn't run up.
Reserve Risk essentially asks: relative to how much accumulated conviction the market has demonstrated, is today's price cheap or expensive?
The Formula
Conceptually, Reserve Risk is calculated as:
"HODL Bank" is a running accumulation of the value long-term holders have collectively forgone by not selling, built up day by day over Bitcoin's entire history. When price is low relative to this accumulated conviction, Reserve Risk is low — a historically favourable condition. When price runs far ahead of what accumulated conviction would justify, Reserve Risk rises — historically a less favourable one.
Reading the Zones
| Reserve Risk | Zone | Historical Interpretation |
|---|---|---|
| Below 0.5 | Deep Value | Rare — historically appeared near major bear-market lows, when patient holders are proportionally most rewarded |
| 0.5 – 1.0 | Fair Value | Below trend but not extreme, no urgent signal |
| 1.0 – 1.5 | Elevated | Above trend — often stronger bull-market phases |
| Above 1.5 | High Risk | Well above trend — cycle tops have often occurred in this zone |
See today's live Reserve Risk reading on our Reserve Risk indicator page.
Limitations
It's a slow-moving, structural metric. Because it's built on an accumulated, long-running measure of holder conviction, it doesn't react quickly to short-term news or price shocks — by design.
It assumes past holder behaviour is a fair baseline. The model implicitly treats historical HODLing patterns as the reference point for "normal" conviction, which could shift as Bitcoin's holder base changes composition (more institutional holders with different incentives than early individual adopters, for instance).
Like any zone indicator, it doesn't time exact turns. A low or high reading identifies a historically favourable or unfavourable zone — not a precise entry or exit signal.
How to Use It
Reserve Risk is a genuinely useful complement to holder-cohort indicators like LTH Supply, since it captures a related but distinct angle — not just how much supply is held long-term, but how much accumulated conviction that holding represents relative to price. It's most useful as a slow-moving background check rather than a reactive signal, best combined with faster-moving indicators for a fuller picture.
It's also one of the 21 inputs to our Cycle Compass composite score.
For a broader tour of the other major indicators worth knowing, see our guide to 10 On-Chain Bitcoin Indicators Every Investor Should Know.