After BTC surged to $86,000, it did not continue to rise sharply, but an important change is occurring in the market environment: the oil prices that previously suppressed risk assets are rapidly cooling down.

On September 23, Brent crude oil once fell to around $98, marking a decline for the sixth consecutive trading day, with a cumulative drop of over 9% in the past six trading days, creating the longest consecutive decline record since August 2025; WTI also dropped below $90.

At the same time, BTC, after breaking through $86,000, retreated to around $85,000—$86,500, still significantly higher than last week's low point of around $75,000.

This means a new combination is emerging in the current market:

BTC has not continued to surge, but oil prices are transforming from a risk source into a risk buffer.

First, a summary

• BTC quickly rebounded from around $75,000 to above $86,000, currently fluctuating at high levels;
• The U.S. spot BTC ETF has recently seen large inflows, with a net inflow of about $999 million on September 21;
• Brent crude oil dropped below $100, marking a sixth consecutive day of decline, with a cumulative drop of over 9%;
• The Saudi East-West oil pipeline has resumed operations, while new diplomatic signals have been released in U.S.-Iran contacts, leading to a reduction in the geopolitical risk premium previously counted in oil prices;
• A decline in oil prices means that inflation pressures and the risks of rising interest rates are temporarily weakened, providing a more relaxed market environment for risk assets such as stocks and crypto.

BTC is not rising, but that doesn't mean funds are retreating

BTC touched around $86,054 on Monday, reaching an eight-month high. The rebound from around $75,000 has seen a cumulative increase of over 15%.

An important variable driving this round of increase is ETF funds.

The U.S. spot BTC ETF recorded net inflows of approximately $160 million and $433 million on September 17 and 18, respectively, while the net inflow on September 21 further reached approximately $999 million.

Therefore, the current retreat of BTC from its high cannot be simplistically interpreted as funds leaving the market.

What is more noteworthy is:

Even after a rapid rise in BTC, ETF funds are still able to continue providing spot support.

This distinguishes the current market situation from one that is purely driven by short-squeezing from bearish positions.

The real change is in oil prices

In recent weeks, oil prices have become one of the biggest variables in global risk assets.

The situation in the Middle East has affected transportation through the Strait of Hormuz, and Brent crude oil previously saw a significant rise, leading to increased energy costs and further amplifying market concerns about inflation and interest rates.

But now, this logic is starting to loosen.

On September 22, Saudi Arabia restarted the critical East-West oil pipeline. This pipeline has a designed transport capacity of 7 million barrels per day and can deliver crude oil to the Red Sea, bypassing the Strait of Hormuz. According to Reuters, Brent crude oil once fell to $97 after the pipeline resumed operations.

Meanwhile, Iran has issued signals that it may reopen the Strait of Hormuz in the coming days, and new contacts have emerged between the U.S. and Iran.

These changes do not mean that geopolitical risks have ended.

But the market is beginning to reduce the part of the supply disruption risk premium that was previously counted into oil prices.

This is the core reason for the rapid decline in oil prices recently.

Why is the decline in oil prices important for BTC?

Oil prices themselves are not direct driving factors for BTC.

What is truly important is the transmission chain behind it:

Decline in geopolitical risks → Improved expectations for crude oil supply → Drop in oil prices → Reduced inflation pressures → Eased pressure on interest rate expectations → Risk assets gain breathing space.

Currently, Asian stock markets have already shown a similar reaction. On September 23, Asian stock markets rose for the sixth consecutive trading day, supported by the rise in technology stocks and the decline in oil prices.

BTC has already proven it can rise despite the uncertainties caused by Federal Reserve rate hikes and regulatory issues.

Now, if oil prices continue to retreat, the macro pressures facing the market will be one less.

Therefore, the most interesting aspect of this round of BTC trading is:

The increase in BTC is not due to a sudden overall shift in the macro environment towards easing, but rather, several of the most dangerous variables are cooling down simultaneously.

But $90,000 is still not easily reached

The biggest short-term problem for BTC right now is that the speed of the rise has been very rapid.

It took less than a week to rise from $75,000 to $86,000.

At the same time, market leverage is also quickly recovering.

The previous large-scale short squeeze helped BTC break above $80,000, but once the short positions are cleared, continued rising will require new spot buying support.

Therefore, whether a new trading hub can form around $85,000 is more important than simply refreshing the intraday high.

If ETFs continue to see inflows, and oil prices continue to decline, then market risk appetite may further improve, making $90,000 the next obvious psychological threshold.

But if oil prices rebound, geopolitical risks heat up again, or ETF funds cool down rapidly, then the current high leverage positions could also amplify the downturn.

This time, the real observation point is the "risk premium"

Over the past week, the market has completed a clear emotional switch:

BTC has moved from the panic area around $75,000 back to $86,000;

While crude oil has fallen from high levels back below $100.

One asset is rising, and a risk indicator is falling.

Both happening simultaneously is the most noteworthy change in the current market.

Therefore, what really needs to be tracked next is not just the individual BTC price, but three variables:

Whether BTC ETF funds continue to flow in, whether Brent crude oil can remain below $100, and whether the supply risks in the Middle East further ease.

If all three develop in a direction favorable to risk assets, then this round of BTC increase may gradually shift from a short covering to a broader recovery in risk appetite.

However, if oil prices surge again, the market may also start trading inflation and interest rate risks anew.

BTC is currently above $85,000, but what determines the next stage of trading may no longer be just the Crypto market itself, but that barrel of oil priced below $100.

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