Skip to main content

Delta Cap

Realized Cap minus Average Cap — a valuation floor model that historically marks Bitcoin absolute market cycle bottoms

PropertyValue
CategoryValuation Metrics
UnitUSD
Resolution1d
AssetsBTC
TierBasic
API EndpointGET /v1/holder/valuation
Fielddelta_cap

Overview​

Delta Cap is defined as Realized Cap minus Average Cap. Originally conceived by David Puell, Delta Cap represents a dynamic valuation floor that has historically coincided with Bitcoin absolute market cycle bottoms. Unlike static price levels, Delta Cap evolves with the market, incorporating both the aggregate cost basis of all Bitcoin holders (Realized Cap) and the long-term mean market valuation (Average Cap).

The intuition behind Delta Cap is powerful: Realized Cap captures where investors actually hold value (the aggregate purchase price), while Average Cap captures the long-term average of how the market has valued Bitcoin over its entire history. Their difference — Delta Cap — represents the gap between investor cost basis and the historical mean valuation, creating a floor that has proven remarkably resilient as a support level during bear market capitulations.

For further reading, see David Puell original research: Bitcoin Delta Capitalization

Formula​

Delta Cap=Realized Cap−Average Cap\text{Delta Cap} = \text{Realized Cap} - \text{Average Cap}

Where:

  • Realized Cap — the sum of all Bitcoin valued at the price they last moved on-chain (aggregate cost basis)
  • Average Cap — the life-to-date cumulative moving average of Market Cap

Interpretation​

  • Delta Cap as a floor: When Market Cap approaches or touches Delta Cap from above, it has historically marked generational buying opportunities and cycle bottoms
  • Rising Delta Cap indicates that Realized Cap is growing faster than Average Cap, reflecting increased on-chain accumulation at higher prices
  • Falling Delta Cap (rare) occurs when Average Cap grows faster than Realized Cap, typically during prolonged bear markets where new investment slows
  • Distance between Market Cap and Delta Cap provides a measure of how far the market is from a potential bottom — compression signals increasing risk/opportunity asymmetry
  • Delta Cap vs Delta Price: Delta Price (Delta Cap / circulating supply) translates this metric into a per-coin price level, making it easy to compare against spot price

Use Cases​

  • Cycle bottom identification: Historically, Delta Cap touches or crosses Market Cap at absolute cycle lows, making it one of the most reliable on-chain bottom indicators
  • Risk-adjusted accumulation: Investors can size positions based on proximity of Market Cap to Delta Cap — closer proximity means lower risk and higher potential reward
  • Composite valuation framework: Delta Cap fits naturally alongside Market Cap, Realized Cap, Average Cap, and Thermo Cap to build a complete hierarchy of Bitcoin valuation layers
  • Deriving Delta Price: Dividing Delta Cap by circulating supply gives Delta Price — a per-coin floor metric directly comparable to spot price for entry timing

API Usage​

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.blocklens.co/v1/holder/valuation?start_date=2024-01-01&end_date=2024-12-31&limit=365"
  • Realized Cap — Sum of LTH + STH realized cap
  • Average Cap — Life-to-date cumulative moving average of Market Cap — smooths out short-term volatility to reveal the long-term fair value trajectory of Bitcoin's network
  • Market Cap — Total market cap
  • Thermo Cap — Cumulative miner revenue at time of issuance — measures the total cost basis of all mined Bitcoin valued at the price on their creation date