Mean Coin Age

Definition

Recall that the coin-age model allows us at each given point in time to assign age to each coin/token.

There are two coin age defined metrics:

  • Mean Coin Age - The average age of all coins/tokens on the blockchain.
  • Mean Dollar Invested Age - The average age of every dollar invested into the market cap of a coin.

Mean Coin Age metrics are also available for different time bounds, which compute the mean coin age for tokens moved at least once no longer than a specific number of days or years ago.

Example (Mean Coin age)

Given there are 100 tokens in existence:

  • 50 of them have age 10 days
  • 50 of them have age 20 days

then the average coin age is:

10×50+20×50100=15  (coin-days)\frac{10 × 50 + 20 × 50}{100} = 15\;\text{(coin-days)}

Example (Mean Dollar Invested Age)

Given there 100 tokens in existence:

  • 50 of them have age 10 days and the token's price was $1 at that time
  • 50 of them have age 20 days and the token's price was $2 at that time

then the mean dollar invested age is:

10×50+20×5050×$1+50×$2=1500150=10  (coin-dollar days)\frac{10 × 50 + 20 × 50}{50 × \$1 + 50 × \$2} = \frac{1500}{150} = 10\;\text{(coin-dollar days)}

More technical definition and computation description can be found here


Access

Restricted Access


Measuring Unit

  • Coin Age in Days
  • Coin Dollar Age in Days

Data Type

Timeseries Data


Timebound

Timebound Metrics


Change Metrics

Change Metrics


Frequency

Daily Intervals


Latency

On-Chain Latency


Available Assets

Note: timebound Mean Age metrics are available for these assets


SanAPI

Available under the mean_age and mean_age_<timebound> names.

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{
  getMetric(metric: "mean_age") {
    timeseriesData(
      slug: "santiment"
      from: "2020-01-13T00:00:00Z"
      to: "2020-01-18T00:00:00Z"
      interval: "1d"
    ) {
      datetime
      value
    }
  }
}

Run in Explorer


Available under the mean_dollar_invested_age and mean_dollar_invested_age_<timebound> names.

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{
  getMetric(metric: "mean_dollar_invested_age") {
    timeseriesData(
      slug: "santiment"
      from: "2020-01-13T00:00:00Z"
      to: "2020-01-18T00:00:00Z"
      interval: "1d"
    ) {
      datetime
      value
    }
  }
}

Run in Explorer

Full list of metrics

Mean coin age metrics

  • mean_age
  • mean_age_90d
  • mean_age_180d
  • mean_age_365d
  • mean_age_2y
  • mean_age_3y
  • mean_age_5y

Mean dollar invested age metrics

  • mean_dollar_invested_age
  • mean_dollar_invested_age_90d
  • mean_dollar_invested_age_180d
  • mean_dollar_invested_age_365d
  • mean_dollar_invested_age_2y
  • mean_dollar_invested_age_3y
  • mean_dollar_invested_age_5y
  • mean_dollar_invested_age_change_1d
  • mean_dollar_invested_age_change_7d
  • mean_dollar_invested_age_change_30d
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