Feerates

Contents

Mean Feerate Mempool

Definition

The mean feerate (fee/vsize) of all mempool transactions, in native units per byte. Virtual Size (vsize) is a unit used to measure the size of a bitcoin transaction after the activation of SegWit.

Dictionary

Methodology

The mempool is evaluated and the feerate (fee/vsize) attached to all transactions is aggregated. The mean feerate of all transactions is then calculated.

Available Assets

Bitcoin (BTC)

Sample Query

Median Feerate Mempool

Definition

The median feerate (fee/vsize) of all mempool transactions in native units per byte. Virtual Size (vsize) is a unit used to measure the size of a bitcoin transaction after the activation of SegWit.

Dictionary

Methodology

The mempool is evaluated and the feerate (fee/vsize) attached to all transactions is calculated. The median feerate of all transactions is then assessed.

Available Assets

Bitcoin (BTC)

Sample Query

Next Block Average Feerate

Definition

The approximate value of the mean feerate for the upcoming blockchain block.

Dictionary

Methodology

The calculation begins by ranking mempool transactions based on how much fees they are paying. A block template is then applied to these transactions with the goal of identifying which transactions rational miners would pick if they were to build a block at that minute The average (mean) feerate of the transactions in that block template is then showcased.

Available Assets

Bitcoin (BTC)

Sample Assets

Next Block Maximum Feerate

Definition

The approximate value of the maximum feerate for the upcoming blockchain block.

Dictionary

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Methodology

The calculation begins by ranking mempool transactions based on how much fees they are paying. A block template is then applied to these transactions with the goal of identifying which transactions rational miners would pick if they were to build a block at that minute The feerate of the highest transaction that would still be included in that block template is then showcased.

Available Assets

Bitcoin (BTC)

Sample Query

Next Block Median Feerate

Definition

The approximate value of the median feerate for the upcoming blockchain block.

Dictionary

Methodology

The calculation begins by ranking mempool transactions based on how much fees they are paying. A block template is then applied to these transactions with the goal of identifying which transactions rational miners would pick if they were to build a block at that minute The median feerate of the transactions in that block template is then showcased.

Available Assets

Bitcoin (BTC)

Sample Query

Next Block Minimum Feerate

Definition

The approximate value of the minimum feerate for the upcoming blockchain block.

Dictionary

Methodology

The calculation begins by ranking mempool transactions based on how much fees they are paying. A block template is then applied to these transactions with the goal of identifying which transactions rational miners would pick if they were to build a block at that minute. The feerate of the lowest transaction that would still be included in that block template is then showcased.

Available Assets

Bitcoin (BTC)

Sample Query

Next Block Minimum Recommended Fee

Definition

The recommended minimum feerate required for a transaction to be included in the upcoming blockchain block. This metric differs from mempool_next_block_approx_feerate_min in that it accounts for situations where there are many transactions paying the minimum feerate. By adding an additional cushion to the minimum estimate, this metric provides better settlement guarantees.

Dictionary

Methodology

The calculation begins by ranking mempool transactions based on how much fees they are paying. A block template is then applied to these transactions with the goal of identifying which transactions rational miners would pick if they were to build a block at that minute The feerate of the lowest transaction that would still be included in that block template is then showcased. Depending on the aggregate size of transactions paying the minimum feerate, additional satoshi units are added in order to increase the likelihood that a transaction paying this feerate will be included in the next block.

Available Assets

Bitcoin (BTC)

Sample Query

Definition

The approximate value of the minimum feerate for the upcoming blockchain block.

Dictionary

Methodology

The calculation begins by ranking mempool transactions based on how much fees they are paying. A block template is then applied to these transactions with the goal of identifying which transactions rational miners would pick if they were to build a block at that minute. The feerate of the lowest transaction that would still be included in that block template is then showcased.

Available Assets

Bitcoin (BTC)

Sample Query

API Endpoints

Fee Rate metrics can be accessed using these endpoints:

  • timeseries/asset-metrics

and by passing in the metric ID's mempool_feerate* and mempool_next_block_approx_feerate_* in the metrics parameter.

curl --compressed "https://api.coinmetrics.io/v4/timeseries/asset-metrics?metrics=mempool_feerate_median&assets=btc&pretty=true&api_key=<your_key>"

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