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BITCOIN ASOL

How old are the coins that are moving?

When the coins changing hands are young, recent buyers are doing the trading. When old coins move, long-time holders are spending.

Updated 18 hours ago
maketomaketo.com/indicator/asol010020030040020112013201520172019202120232025TODAY20 days

The average age of the coins being spent each day, over the years. Higher means older, long-held coins are on the move; lower means fresh coins are doing the trading.

  1. What's the read right now?

    MOSTLY FRESH COINS MOVING

    The coins changing hands lately are young — recent buyers are doing the trading while long-held coins stay put.

    A noisy, day-to-day measure — one busy day can spike it. Read the trend, not a single reading.

    ↓ The coins moving are getting younger this past month

  2. Where does today sit over the last 4 years?

    Sitting near the young-coin end of its 4-year range.

    Young coins movingOld coins moving
    ≈ 22 days average age of the coins moving todayAbout usual versus its own average

  3. What's changed recently?

    • This past week the coins moving got younger — fresher supply did the trading.
    • Over the past month the coins moving have been getting younger — long-held supply is staying put.
    • It's near the young-coin end of its 4-year range — fresh money is doing the trading.

  4. What would change this read?

    • If older coins start moving and this climbs, long-time holders would be spending — something that has often shown up near past tops.
    • If it stays low, long-held supply keeps sitting still, which keeps those coins off the market.
Old coins moving →
The deepest, most patient slice of this picture.
How long has Bitcoin been sitting still? →
The full age map of the supply.
Long-term holders: still adding? →
Whether patient money is growing or shrinking.
Recent buyers or long-term holders? →
The same old-vs-new tug, as a cycle gauge.

Understanding ASOL (Average Spent Output Lifespan)

ASOL — Average Spent Output Lifespan — looks at every coin that moves on a given day, measures how long it had been sitting still, and averages those ages. A low number means the coins being spent are young; a high number means long-dormant coins are on the move.

When ASOL stays low, recent buyers are doing most of the trading and patient holders are keeping their coins put. That keeps long-held supply off the market — often a calm, accumulation-style backdrop.

When ASOL spikes, coins that sat untouched for months or years are suddenly changing hands. That's long-time holders spending into strength — a pattern that has clustered around major tops as patient money takes profit.

It's a noisy, day-to-day measure — a single large old-coin transaction can spike it. It's best read as a trend over weeks, alongside the other holding and old-coin gauges, rather than as a one-day signal.