Changes in the number of unconfirmed Bitcoin transactions can signal potential price trends. A rising backlog in the mempool often indicates network congestion, typically during high demand or market volatility, which may precede price increases as users compete with higher fees. Conversely, a shrinking mempool suggests lower activity, possibly reflecting reduced interest or selling pressure, potentially foreshadowing price declines. Historical data shows that significant mempool spikes, like those in 2017 and 2021, coincided with bullish runs, while prolonged low unconfirmed transaction counts often aligned with bearish phases. However, this correlation isn’t absolute—external factors like macroeconomic events or miner behavior also play a role. Monitoring unconfirmed transactions offers a window into market sentiment, but it’s most effective when combined with other indicators for predicting Bitcoin price movements.