CMBI Bitcoin Benchmark

CMBI Bitcoin Benchmark CMBIBTC

Coin Metrics Bletchley Index (CMBI) Bitcoin Benchmark

An institutionally designed benchmark representing the real-time USD market value of Bitcoin.

Return

$64,239.16 as of most recent NY market close
24hr return +0.53%
year to date -26.44%

Performance

Time Returns Range
1D +0.53% $63,903.64 - $64,239.16
7D +1.55% $62,157.19 - $64,239.16
1M +0.97% $58,639.51 - $66,611.29
3M -9.72% $58,639.51 - $81,942.14
1Y -45.56% $58,639.51 - $125,555.85
2Y +11.71% $53,156.02 - $125,555.85
MTD +9.55% $58,639.51 - $64,239.16
QTD +9.55% $58,639.51 - $64,239.16
YTD -26.44% $58,639.51 - $97,552.38
Q2:26 -13.52% $58,639.51 - $81,942.14
Q1:26 -22.35% $63,531.10 - $97,552.38
Q4:25 -23.55% $84,114.17 - $125,555.85
Q3:25 +6.21% $105,580.34 - $122,524.47

Volatility

3 MONTHS37.81%
6 MONTHS51.07%
1 YEAR44.75%
2 YEARS47.71%

Sharpe

1 YEAR-1.213
2 YEARS0.267
5 YEARS0.448

Sortino

1 YEAR-1.602
2 YEARS0.391
5 YEARS0.650

ABOUT THE BENCHMARK

The Coin Metrics Bletchley Index (CMBI) Bitcoin Benchmark is an institutionally designed cryptoasset benchmark that accurately and reliably represents the real-time aggregate USD market value for Bitcoin.

The CMBI Bitcoin Benchmark aggregates data from major global BTC markets selected through the Coin Metrics Trusted Exchange Framework and Candidate Market Guidelines. Through this methodology, Coin Metrics produces transparent, robust, and manipulation-resistant aggregate pricing for institutional participants.

Index levels are calculated and disseminated at multiple frequencies to support trading, portfolio valuation, benchmarking, and market analysis use cases.

Key Features

  • Institutional-grade benchmark methodology
  • Transparent candidate market guidelines
  • Real-time and historical dissemination
  • Manipulation-resistant aggregate pricing
  • Governance aligned with industry best practices

Key Information

Name CMBI Bitcoin Benchmark
Base date 2010-07-18
Base value $0.0808
Constituents Bitcoin Only
Base currency USD
Bloomberg ticker CMBIBTC
Administrator Coin Metrics

Quick Links

Methodology
Fork Policy
Most Recent Factsheet

Historical Data

Date Open High Low Close
Jul 10, 2026 $63,879.00 $64,446.07 $63,621.35 $64,245.99
Jul 9, 2026 $63,193.84 $64,664.75 $62,908.66 $63,871.14
Jul 8, 2026 $62,229.97 $63,444.01 $61,644.29 $63,181.98
Jul 7, 2026 $63,776.81 $63,858.87 $61,485.08 $62,217.00
Jul 6, 2026 $63,692.70 $64,618.98 $62,631.03 $63,747.26
Jul 5, 2026 $62,721.56 $63,916.17 $61,283.78 $63,682.97
Jul 4, 2026 $63,246.60 $63,402.87 $62,435.98 $62,721.29
Jul 3, 2026 $62,153.87 $63,394.64 $62,132.01 $63,252.90
Jul 2, 2026 $61,416.45 $62,312.00 $61,171.98 $62,170.04
Jul 1, 2026 $59,971.68 $62,102.30 $59,525.14 $61,377.80
Jun 30, 2026 $58,717.68 $60,431.74 $57,764.33 $59,956.29
Jun 29, 2026 $60,339.50 $60,484.00 $58,108.31 $58,709.80
Jun 28, 2026 $59,399.99 $60,691.90 $58,865.50 $60,336.61
Jun 27, 2026 $60,083.40 $60,436.00 $59,196.13 $59,394.90
Jun 26, 2026 $59,655.50 $60,845.14 $59,498.50 $60,076.06
Jun 25, 2026 $59,220.01 $60,644.80 $58,270.92 $59,749.60
Jun 24, 2026 $59,866.02 $61,868.39 $58,070.70 $59,189.78
Jun 23, 2026 $62,320.20 $63,082.80 $59,045.12 $59,883.57
Jun 22, 2026 $64,408.02 $64,594.46 $61,887.46 $62,337.30
Jun 21, 2026 $64,131.41 $65,540.64 $63,219.85 $64,411.31
Jun 20, 2026 $63,867.36 $64,493.78 $63,782.75 $64,144.38
Jun 19, 2026 $62,972.95 $64,300.00 $62,914.83 $63,867.36
Jun 18, 2026 $62,872.80 $63,335.00 $62,272.11 $62,965.40
Jun 17, 2026 $64,250.00 $64,743.04 $62,198.17 $62,883.02
Jun 16, 2026 $65,622.49 $66,378.00 $64,042.29 $64,244.01