HODL Bank
Cumulative holding value accrued by Long-Term Holders - the aggregate savings buffer of conviction buyers. Monotonic structural reservoir metric.
What is it?
HODL Bank is a cumulative quantity that integrates, at each Bitcoin block, the dollar value stored by long-term holders (LTH) according to a cointime-weighted formula. More precisely, the metric accumulates, block after block, the capitalization share that remains dormant beyond a long-term age threshold - it represents the value bank consolidated by the cohort that preserves its coins across cycles. Block-level aggregation is converted to daily resolution by retaining the last-block value of each UTC day.
How to read
The curve is structurally increasing (cumulative) on linear scale, better read on logarithmic scale available via toggle. Successive slopes reveal aggressive accumulation phases (steep slope) versus plateau phases (gentle slope). Do not over-interpret local inflections: the metric is integral, local decay would mark massive LTH distribution, rare at this scale.
Key zones
No fixed horizontal zones - the curve is monotonic and its interpretation comes through slope comparison. Fast growth periods historically correspond to late-bear-market accumulation phases (end of bear cycle toward recovery). Plateaus correspond to bull-market phases where new entrants do not catch up with value historically consolidated by mature holders.
What to observe
Observe the visual derivative (curve slope): its acceleration during a price fall marks capitulation absorbed by LTHs (historically a near-bottom indication). Its slowdown during a price rise marks that value growth comes mainly from STHs and new entrants, without deepening the long-term bank - late-bull configuration.
Historical context
HODL Bank exists since the birth of the Bitcoin protocol (block 1, January 2009), since the metric is strictly cumulative from origin. Major slope inflections have coincided with historical bottoms: mid-2015, late 2018, March 2020, November 2022 - each marked by cumulative-integral acceleration. The April 2024 halving's impact on slope reveals the post-ETF consolidation of the LTH cohort.
Expert notes
HODL Bank's native resolution is block-by-block (about 144 blocks per day). Daily aggregation on the Trinity side retains by convention the last-block value of each UTC day - industry-standard close-of-day convention. This convention preserves cumulative monotony and aligns with timestamps of all other daily catalog metrics. The metric is sensitive to the exact LTH threshold definition; any threshold modification would invalidate cumulative history.
Common mistakes to avoid
HODL Bank is not an actionable timing indicator - it is a structural savings-value measure. A sharply rising HODL Bank does not mean price will immediately rise: it marks intensifying LTH conviction, a necessary but not sufficient condition for a bullish reversal. Do not confuse with total capitalization: HODL Bank excludes the short-term share, it is structurally lower than market cap and follows a distinct trajectory.
Programmatic access
REST API
curl -sS \
'https://api.trinityinsights.io/api/v1/onchain/hodl-bank/history?days=90' \
-H 'X-API-Key: $TRINITY_API_KEY'MCP server
{
"tool": "get_chart_value",
"metric_id": "hodl-bank",
"timeframe": "1y"
}Required tier: pro. See the pricing grid for the tier list and the MCP documentation for multi-client configuration.
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Institutional disclaimer
Trinity Insights is an educational and analytical tool. The metric above does not constitute investment advice. Trinity Insights is not a Crypto-Asset Service Provider (CASP) registered under MiCA Regulation (EU) 2023/1114. See the full disclaimer.