CMBI Bitcoin Observed Work

CMBI Bitcoin Observed Work

CMBIWORK

The CMBI Bitcoin Observed Work (CMBIWORK) is designed to be a reactive, responsive and manipulation resistant measure of the amount of mining activity being conducted on the Bitcoin Network thoughout a 24 hour period.

Return

69,818.70 as of most recent NY market close
24hr return -6.58%
year to date +0.97%

Performance

Time Returns Range
1D -6.58% 69,818.70 - 74,735.37
7D -13.18% 69,818.70 - 83,240.97
1M +1.02% 58,563.48 - 83,240.97
3M -2.59% 58,563.48 - 84,469.44
1Y +41.09% 48,063.48 - 84,469.44
2Y +98.71% 27,273.09 - 84,469.44
MTD -10.01% 67,268.58 - 83,240.97
QTD -10.01% 67,268.58 - 83,240.97
YTD +0.97% 58,563.48 - 84,469.44
Q2:25 +16.83% 58,563.48 - 84,469.44
Q1:25 -3.97% 59,326.20 - 79,172.72
Q4:24 +31.75% 52,487.85 - 71,505.32
Q3:24 +3.30% 43,600.01 - 60,888.21

Volatility

3 MONTHS104.01%
6 MONTHS97.46%
1 YEAR94.84%
2 YEARS101.28%

Sharpe

1 YEAR0.785
2 YEARS0.792
5 YEARS0.872

Sortino

1 YEAR1.191
2 YEARS1.200
5 YEARS1.307

About The Index

The Coin Metrics Bletchley Index (CMBI) Mining Series are institutionally designed cryptoasset benchmarks that accurately and reliably represent the performance of the total Bitcoin network’s mining activity.

The CMBI Bitcoin Observed Work (CMBIWORK) is an aggregate representation of the previous 24hrs of CMBI Bitcoin Hash Rate Index data, used to reflect the implied number of hashes conducted over the previous 24hr period.

Index levels are calculated from the most recent block data received by Coin Metrics owned and operated Bitcoin nodes.

Key Information

Name CMBI Bitcoin Observed Work
Base date 2015-01-02
Base value 27.86
Constituents Bitcoin
Base unit Zettahashes per day
Administrator Coin Metrics

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Historical Data

Date Open High Low Close
Jul 17, 2025 74,735.37 74,735.37 69,818.80 69,818.80
Jul 16, 2025 83,240.97 83,269.97 74,737.20 74,737.20
Jul 15, 2025 80,745.21 83,329.57 80,745.21 83,240.78
Jul 14, 2025 75,369.03 80,744.83 75,237.63 80,744.83
Jul 13, 2025 78,553.71 78,554.51 75,363.66 75,368.93
Jul 12, 2025 82,529.89 82,624.60 78,552.49 78,553.67
Jul 11, 2025 80,421.72 82,546.70 79,705.81 82,530.20
Jul 10, 2025 76,807.45 80,752.12 76,807.45 80,421.90
Jul 9, 2025 73,550.88 76,806.36 73,550.88 76,806.36
Jul 8, 2025 75,967.57 75,967.57 73,319.55 73,550.71
Jul 7, 2025 77,597.23 77,621.00 75,968.18 75,968.18
Jul 6, 2025 78,969.62 79,417.58 77,597.36 77,597.36
Jul 5, 2025 77,412.61 78,969.45 77,303.25 78,969.45
Jul 4, 2025 75,767.90 77,415.40 75,767.90 77,412.52
Jul 3, 2025 72,451.72 75,767.51 72,451.72 75,767.51
Jul 2, 2025 67,268.58 72,450.68 66,986.06 72,450.68
Jul 1, 2025 76,833.27 76,833.27 67,269.41 67,269.41
Jun 30, 2025 77,581.58 77,883.76 76,833.84 76,833.84
Jun 29, 2025 69,394.64 77,580.97 69,394.64 77,580.97
Jun 28, 2025 72,109.32 72,109.32 69,156.78 69,394.20
Jun 27, 2025 77,706.72 77,707.52 72,109.80 72,109.80
Jun 26, 2025 73,711.68 78,925.82 73,711.68 77,712.23
Jun 25, 2025 60,415.34 73,709.23 60,415.34 73,709.23
Jun 24, 2025 58,563.48 60,414.16 58,563.48 60,414.16
Jun 23, 2025 63,464.58 63,464.58 58,511.21 58,563.38