The Bitcoin price surge that occurred on Sunday night has stalled near $79,400, displaying signs of weakening momentum as it currently trades around $77,000. Several indicators suggest potential short-term vulnerability. The Coinbase premium index has turned negative for the first time since April 8, according to data from Coinglass, shifting to -0.04% after a 14-day period of positive readings.

This shift indicates a decrease in demand from US investors, which had been driving the Bitcoin price up from $66,000 to $79,000. The index, which measures the price difference between Coinbase and offshore exchanges like Binance, signals that US institutions are no longer aggressively buying, making the market more dependent on offshore flows. Historically, a negative Coinbase premium has coincided with price pullbacks or consolidation. Furthermore, the large Bitfinex whale, a closely watched entity for directional pricing, remains near its cycle peak long exposure with 79,342 BTC, just shy of its 80,100 BTC high.

The fact that this entity's exposure remains near its peak despite Bitcoin's push toward $79,000 suggests a lack of short-term upside momentum, increasing the risk of a price decline. Additionally, Bitcoin failed to reclaim the short-term holder realized price (STHRP) at $79,200, which represents the average on-chain acquisition cost of coins held for fewer than 155 days.

As the price stays below the STHRP, recent buyers are more likely to exit, putting further pressure on the price. Lastly, with the flagship Bitcoin conference underway and prior gains already fading, historical trends suggest that further downside may follow.