BlackRock spends $1.28 billion in a week to buy 17,000 Bitcoins! Polymarket predicts BTC will break $75,000 this month

BlackRock has been actively accumulating Bitcoin over the past week, with a net purchase of over 17,000 BTC (worth approximately $1.28 billion), helping Bitcoin break through $73,000. In response to the rally, Polymarket’s market is even more optimistic, giving an 80% chance that Bitcoin will return to $75,000 in March.
(Background: Iran strongly denies secret negotiations with the US! The Iran-US conflict may continue long-term, Bitcoin surpasses $73,000, and Ethereum hits $2,100)
(Additional context: Bitcoin briefly breaks above $72,000, Ethereum approaches $2,100! The entire network experiences $420 million in liquidations as short positions are wiped out)

The world’s largest asset management firm, BlackRock, has recently continued to accumulate Bitcoin through its iShares Bitcoin Trust (IBIT) spot ETF. According to the latest data from on-chain analytics platform Lookonchain, since February 24, 2026, BlackRock has recorded a net inflow of over 17,642 BTC, valued at about $1.28 billion. This large institutional capital inflow indicates that investor confidence in Bitcoin remains strong for the long term and has become a key driver of market sentiment.

BlackRock has been accumulating $BTC recently, with a net inflow of 17,642 $BTC ($1.28B) since Feb 24.
During this time, $BTC’s price has risen nearly 12%. pic.twitter.com/b5OtZ4taFt
— Lookonchain (@lookonchain) March 4, 2026

Supported by buying from institutions like BlackRock, Bitcoin’s price has recently rebounded significantly. As of March 4, 2026, Bitcoin briefly broke above $73,000. This rally not only reflects continued institutional buying but also boosts overall market sentiment toward optimism in the crypto space.

Polymarket Predicts a Bullish Rebound in March

As prices push higher, the Polymarket prediction market’s outlook for Bitcoin’s March performance has also warmed. Currently, there is about an 84% probability that Bitcoin will rebound to $75,000 in March, indicating traders have high expectations for a short-term rally. Additionally, there is roughly a 50% chance of reaching $80,000, while the probability of dropping to $65,000 is around 44%.

Overall, market sentiment has shifted from cautious to neutral-leaning bullish. Institutional capital inflows and positive forecast data reinforce expectations for a short-term upward trend in Bitcoin.