Market-Open Movements Raise New Questions
Bitcoin dump activity around 10 a.m. has become a recurring feature in recent months. Traders have observed sharp moves that quickly reverse earlier progress and pressure intraday sentiment. The pattern has persisted since early November.
The drop often occurs within the first hour of U.S. trading. This activity has removed gains built across Asian and European sessions. Market participants describe the movement as sharp, brief, and tied closely to liquidity shifts.
A post from Bull Theory introduced concerns about this recurring structure. The account noted that several of these events mirrored earlier quarters, pointing to a repeated structure that continues to appear throughout daily trading.
Speculation Around High-Frequency Activity
The tweet referenced @zerohedge, who pointed to Jane Street as a possible source of this activity. The pattern described shows quick downward pressure followed by slower recovery phases often seen in high-frequency execution. Traders who follow microstructure patterns say the reaction fits that profile.
According to the post, the movement often begins with a sell-side push into areas with concentrated liquidity. Price then recovers once those pockets are cleared. This can leave intraday charts showing the same shape across multiple sessions.
The discussion also noted that this behavior could allow a large participant to re-enter at lower levels. Market watchers say this may explain why the structure repeats, especially when similar timing and volume shifts appear.
Large Holdings and Market Influence
Bull Theory added that Jane Street currently holds a major position in BlackRock’s IBIT ETF. The post stated that the firm has roughly $2.5 billion in holdings, placing the ETF among its largest positions. This detail increased attention on its possible role during market-open swings.
The claim suggests that repeated intraday moves might not come from broad macro conditions. Instead, the post proposed that a single entity could be executing trades during a narrow window. Traders continue to monitor whether the pattern changes as accumulation phases shift.
The tweet also stated that once major buyers complete their positioning, normal upward momentum could resume. For now, observers tracking Bitcoin dump behavior continue to watch the 10 a.m. window, which has shaped short-term market direction for weeks.
Key Observations
- •Bitcoin consistently falls near 10 a.m., erasing hours of gains within minutes, showing repeated patterns linked to market-open activity.
- •High-frequency trading appears involved as rapid sell-offs target liquidity pockets, allowing large participants to re-enter at lower levels.
- •Jane Street holds $2.5 billion in BlackRock’s IBIT ETF, suggesting concentrated positions may influence intraday Bitcoin price movements.

