# 輸出幣齡｜Spent Output Age Bands(SOAB)

## 指標概念 

輸出幣齡 (SOAB) 根據已用比特幣的年齡將它們各自分類，並以色帶標示它們佔總硬幣移動的比例。每個波段代表在圖例所示的時間段內創建的已用產出的百分比。 

SOAB 是一種有用的工具，可用於識別鏈上交易由較年輕或較舊的代幣主導的時間段或趨勢。該指標顯示了正在移動的代幣年齡，從而突出了市場走勢是否受到長期持有者或新進場投資人的影響。 

* 在花費更多舊幣的時候，較冷色帶將佔據圖表區域的大部分。 
* 在花費較年輕幣的時候，較暖色帶將佔據更多的圖表區域。

![圖片來源：glassnode](https://lh5.googleusercontent.com/ttHrvVWAzoy-MZo4tvQClokvCrerbMHIema9iUNsSw54jkcKRlJM-DAiGxjOqjclGSLpY_94NBP1gaKomrrzlvemCxx1DoS8Bo1hmGY0pADS6HLDSnWDa5yP_CvJKRYUlp74bSPZ)

## 指標如何衡量、計算？

輸出幣齡＝價值（特定年齡帶)

年齡帶分類如下： 

* <1h&#x20;
* 1-24h&#x20;
* 1d-1w&#x20;
* 1w-1m&#x20;
* 1-3m&#x20;
* 3-6m&#x20;
* 6-12m&#x20;
* 1-2y&#x20;
* 2-3y&#x20;
* 3-5y&#x20;
* 5-7y&#x20;
* 7-10y
* \>10y


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