Bitcoin price forecast based on DXY: Can weak dollar trigger BTC rally

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Bitcoin price forecast based on DXY

DXY returns to focus

The U.S. Dollar Index is currently trading around 99.3 points. This is a fairly low level that traders are now watching closely. When DXY is below 100, it does not mean the dollar is collapsing, but it does show that the currency does not look as strong as it did during periods when the index held above 102–105 points.

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DXY shows how the U.S. dollar moves against a basket of six currencies. The euro has the largest weight in the index — around 57% — so the dynamics of EUR/USD have a particularly strong impact on the indicator. The basket also includes the Japanese yen, the British pound, the Canadian dollar, the Swedish krona, and the Swiss franc. If the dollar strengthens against these currencies, DXY rises. If the dollar weakens, the index falls.

The situation is now complicated by geopolitics. ING analysts have warned that DXY faces upside risks due to new reports related to Iran. During periods of uncertainty, investors often buy the dollar as a safe-haven asset: they need to hold liquidity in a currency that can be quickly used in settlements, bonds, and other instruments.

A similar scenario was already reflected in the markets in March. Back then, DXY declined from levels above 100 points toward the 99.1 area, while the yield on 10-year U.S. Treasury bonds pulled back to 4.35% after rising above 4.4%.

If news around Iran once again increases demand for safe-haven assets, DXY may try to return above 100 points. For the market, this would mean that the dollar is once again absorbing part of global liquidity.

Why DXY matters for Bitcoin

At first glance, DXY belongs only to the currency market, but it is also important for Bitcoin. BTC is most often traded in dollars, and its price depends heavily on how much free liquidity remains in the system and whether investors are willing to buy risk assets. That is why the movement of the dollar index often helps determine the environment Bitcoin is currently in: a risk-on mode or a shift toward defensive instruments.

DXY reflects demand for dollar liquidity. When the dollar strengthens, investors more often reduce positions in risk assets and hold more capital in USD, U.S. Treasury bonds, or other defensive instruments. During such periods, it becomes harder for Bitcoin to rise because part of the money moves out of highly volatile assets.

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In practice, this is often reflected in an inverse correlation between DXY and BTC. If DXY rises, Bitcoin may lose momentum or decline because the dollar becomes more attractive to investors. If DXY falls, BTC more often receives support.

But this relationship does not work as an exact formula of “DXY down — BTC immediately up.” Bitcoin’s price is also influenced by Fed interest rates, Treasury yields, ETF flows, regulatory news, and overall market sentiment. During periods of panic, the correlation can temporarily break down: investors may sell stocks and cryptocurrencies at the same time and move into the dollar.

Historically, major phases of BTC growth have often started after DXY peaks or amid a noticeable weakening of the dollar. In 2020, the dollar index declined from around 102 to 89 points, and Bitcoin later entered a strong bull trend. In 2022–2023, DXY pulled back from roughly 114 to 100 points, while BTC recovered from around $19,000 to $30,000. In late 2023, the index dropped from around 107 to 100 points, after which Bitcoin continued to rise and set a new all-time high above $70,000 in 2024.

What to expect from BTC

Let’s look at how DXY may affect the Bitcoin price. The key level for DXY right now is the 99–100 point zone. If the index stays below 100 and continues to decline, it would mean that the dollar is not receiving stable support from the market. For Bitcoin, such a backdrop is usually more comfortable: investors hide less in USD and are more willing to hold positions in highly volatile assets.

The first scenario for BTC is continued growth amid a weak dollar. If DXY falls below 99 and consolidates there, the market may begin to price in softer financial conditions. In this case, Bitcoin could receive support not only from the crypto market itself but also from the broader macro backdrop: a weaker dollar, lower bond yields, and stronger risk appetite.

The second scenario is a rebound in DXY above 100. This could happen if news around Iran once again increases demand for the dollar as a safe-haven asset, or if U.S. economic data comes in stronger than expected. In that case, Bitcoin may come under pressure because part of the capital would move back into USD and Treasury bonds.

Ultimately, DXY remains one of the key macro indicators for the crypto market. For a Bitcoin price forecast, it is now important to watch not only the BTC chart but also the behavior of DXY. If DXY holds below 100, it supports the idea of a weak dollar and a potential BTC rally. A return above 100, on the other hand, could temporarily weaken the bullish scenario for the crypto market.

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