A key market indicator that helps determine whether substantial capital is genuinely supporting a price move is signaling strength.
Bitcoin rose nearly 25% last week, climbing above $80,000 and recording its strongest weekly performance in more than three years. Strong ETF inflows and the U.S. Treasury’s announcement of increased bond buybacks were among the factors supporting the rally.
However, another less-discussed metric offers important insight into whether the move was backed by broad demand or driven primarily by a handful of large trades. That metric is order-book liquidity, or market depth, which measures how much buying and selling capacity exists close to the current market price and how easily large orders can be executed without causing major price swings.
A rally accompanied by deep liquidity generally suggests that significant amounts of capital are supporting the move. In contrast, when prices rise while liquidity is thin, a relatively small number of large orders can have an outsized impact, making the rally less convincing.
Recent Bitcoin data indicates that the latest advance occurred while exchange liquidity remained relatively strong, according to CoinDesk Research data from major trading platforms.
On Aug. 18, when Bitcoin began its move from roughly $64,000, average 0.5% market depth across major spot exchanges stood at about $9.6 million. This represents the combined value of buy and sell orders located within 0.5% of Bitcoin’s current price.
That level was close to the $9 million record recorded Jan. 1, when Bitcoin traded around $88,000. It was also above the roughly $8 million recorded in October when BTC was reaching record highs above $120,000.
By Aug. 25, when Bitcoin reached $80,000, 0.5% market depth had slipped modestly to around $8.7 million. However, the decline remained within normal fluctuations. Market depth measured at 1% and 2% showed a similar trend.
CoinDesk Research said top-of-book liquidity remained broadly stable throughout the rally, with the modest decline on Aug. 25 still falling within normal daily variation. The data indicated no significant reduction in liquidity around the midpoint before or after the move.
This suggests Bitcoin’s roughly 24% climb toward $80,000 was more consistent with sustained demand being absorbed by the market rather than a temporary price spike caused by an unusually thin order book.
The strength of the liquidity backdrop is particularly notable because August is generally one of the quieter months for financial-market liquidity. Trading activity often declines as desks in the Northern Hemisphere reduce activity during the summer holiday period.
Maintaining relatively strong market depth during a roughly 25% Bitcoin rally suggests buyers were able to absorb substantial selling and buying activity without creating major liquidity gaps.
Ether and Solana displayed similar conditions, with their respective 0.5% order-book depth levels on Aug. 25 exceeding those recorded in October.
Liquidity could strengthen further as traders return from summer holidays. Improved market depth may provide more supportive conditions for investors taking larger positions, particularly as monetary and fiscal pressures in advanced economies encourage capital to rotate toward scarce assets such as Bitcoin and gold.
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