US Dollar Slumps After Treasury Buyback Surprise As USD/CHF Tests Crucial 100-Day Moving Average SupportMarket
20 Aug 2026, 3:01 am (2 hours ago)· 3

US Dollar Slumps After Treasury Buyback Surprise As USD/CHF Tests Crucial 100-Day Moving Average Support

The USD/CHF currency pair dropped nearly 2% to test its 100-day Simple Moving Average after a US Treasury announcement to expand bond buyback operations drove Treasury yields and the Greenback sharply lower.

USD/CHFSMA20 SMA50 · RSI · MACD
Candles + SMA20/50 · RSI(14) · MACD(12,26,9) with buy/sell signals — live from Yahoo

Technical Analysis19 Aug 2026

Moving AveragesEMA 20 / 50 / 200

What it is

Exponential Moving Averages smooth price to reveal the trend over the short (20), medium (50) and long (200) term. Price above them and stacked upward is an uptrend; below them and stacked down is a downtrend.

Where it stands now

USD/CHF trades at 0.80 versus EMA20 0.81, EMA50 0.81, EMA200 0.80.

Possible move ahead

Rallies likely stall near EMA20 (0.81).

RSIRelative Strength Index (14)

What it is

RSI is a 0–100 momentum gauge of recent gains versus losses. Above 70 is overbought (stretched), below 30 oversold (beaten down), and 50 is the neutral line.

Where it stands now

USD/CHF's RSI is 36.

Possible move ahead

Watch a push above 60 or a slide under 40.

A sudden decision by the US Department of the Treasury to expand its bond buyback framework has sent shockwaves through the global foreign exchange market. The USD/CHF currency pair plummeted nearly 2 percent on Wednesday, touching a low of 0.7979 after previously peaking at an intraday high of 0.8128. The slide came as the Treasury announced an increase in liquidity support buyback operations for longer-dated nominal coupon securities, forcing US Treasury yields into a steep dive and triggering broad sell-offs in the Greenback. Live market data shows the pair trading at 0.7972, down 1.85 percent from its prior close of 0.8122.

US Treasury Buyback Announcement Triggers Dollar Sell-Off

The US Treasury's announcement to double the size of its liquidity support buyback operations took fixed-income and currency market participants off guard. By purchasing longer-dated nominal coupon securities, the Treasury injected liquidity into the bond market, putting heavy downward pressure on long-term US yields. As yields fell, the interest rate differential supporting the US Dollar eroded rapidly. Investors promptly shifted capital out of the Greenback, causing the US Dollar index to tumble across major currency pairings including the Swiss Franc, British Pound, and Euro.

Also read

Technical Breakdown: Key SMA Levels and RSI Indicators

From a chart perspective, USD/CHF had maintained an upward bias since establishing a major bottom at 0.7604 in February 2026. That recovery trajectory had carried the pair toward a fresh yearly high above 0.8200 prior to the Treasury's announcement. However, the sudden downturn forced USD/CHF below several critical technical benchmarks, including the 50-day Simple Moving Average (SMA) located at 0.8084, pushing prices down to test the 100-day SMA at 0.7975. Live technical metrics show the 20-day Exponential Moving Average (EMA) at 0.8097, the 50-day EMA at 0.8066, and the 200-day EMA at 0.7982, while the 200-day SMA sits at 0.7932.

Short-term momentum has clearly shifted in favor of sellers. The 14-period Relative Strength Index (RSI) dropped from near 51 to 36.48, signaling accelerating bearish momentum. For sellers to maintain control and drive a sustained bearish continuation, USD/CHF must decisively clear the 100-day SMA at 0.7975. A breakdown below this level opens the path toward the 200-day SMA at 0.7932, with further weakness targeting the 0.7900 psychological support zone. On the upside, buyers looking to stage a recovery must first reclaim the 0.8000 handle before testing resistance at the March 31 high of 0.8042. Beyond that, key resistance levels reside at the 50-day SMA at 0.8084 and the August 13 peak of 0.8147.

Broader Market Impact: GBP/USD, EUR/USD, Gold, and Bitcoin

The widespread weakening of the US Dollar sparked notable rallies across competing asset classes. GBP/USD advanced above 1.3600 to reach its highest level since mid-May. The British currency received an additional boost from domestic inflation data showing the UK annual Consumer Price Index (CPI) accelerated to 2.9 percent in July, matching market forecasts, while core CPI rose 2.6 percent year-over-year compared to the expected 2.5 percent.

Simultaneously, EUR/USD gathered strong bullish momentum, breaking above 1.1650 to trade at its highest level since early June as traders prepared for the release of the latest FOMC Minutes for clues on monetary policy. In commodities, spot Gold (XAU/USD) notched solid intraday gains during American trading hours, regaining all losses from the prior session as softer Treasury yields and a weaker Dollar buoyed precious metals. In crypto markets, Bitcoin (BTC) saw its upside capped near $65,000 while maintaining firm support above $64,000 as investors monitored ongoing geopolitical tensions in the Middle East.

Understanding the Swiss Franc: Safe-Haven Status and Global Dominance

The Swiss Franc (CHF) is the official currency of Switzerland and stands among the top ten most traded currencies worldwide. Its daily trading volumes vastly exceed the domestic size of the Swiss economy. Valuation of the Franc is primarily driven by global risk sentiment, domestic economic performance, and policy decisions by the Swiss National Bank (SNB).

Market participants treat the Swiss Franc as a premier safe-haven currency. During periods of geopolitical uncertainty or financial market distress, global capital routinely flows into CHF assets. Switzerland's political neutrality, robust export sector, strong central bank reserves, and fiscal stability make the Franc a preferred destination for risk-averse investors seeking shelter from broader market turbulence.

Eurozone Dependency and the Legacy of the 2011-2015 Currency Peg

As an open and export-oriented economy, Switzerland maintains deep trade ties with the neighboring Eurozone. The European Union is Switzerland's main trading partner and political ally, meaning macroeconomic conditions in the Eurozone directly impact Swiss economic health. Econometric models indicate that the correlation between the Euro (EUR) and the Swiss Franc (CHF) frequently exceeds 90 percent, reflecting near-perfect alignment.

Historical precedents highlight this interdependence. Between 2011 and 2015, the Swiss National Bank enforced a minimum exchange rate pegging the Franc to the Euro. In January 2015, the SNB unexpectedly abandoned the peg, causing the Franc to surge by more than 20 percent in minutes and destabilizing global markets. Although the peg is no longer in place, the Franc's directional movements remain tightly linked to Eurozone developments.

Swiss National Bank Policy Framework and Economic Drivers

The Swiss National Bank meets four times a year on a quarterly schedule to determine monetary policy, less frequently than the Federal Reserve or the European Central Bank. The SNB targets an annual inflation rate below 2 percent. When inflationary pressures rise above target, the SNB hikes policy interest rates to curb price growth. Higher interest rates typically appreciate the Franc by enhancing yields for capital holders, whereas rate cuts tend to weaken CHF valuation. Key domestic indicators such as GDP growth, unemployment rates, current account balances, and consumer confidence remain vital metrics for evaluating CHF price trajectories.

Questions & Answers

Why did the USD/CHF currency pair experience a sudden sharp drop?
The US Treasury's announcement to double liquidity support buybacks for long-term bonds drove Treasury yields down, triggering a sell-off in the US Dollar that pushed USD/CHF down nearly 2%.
What are the key technical support levels for USD/CHF?
Immediate support sits at the 100-day SMA of 0.7975. A breakdown below this level exposes the 200-day SMA at 0.7932 followed by the 0.7900 psychological boundary.
Why is the Swiss Franc considered a safe-haven asset?
Switzerland's stable economic policy, political neutrality, large central bank reserves, and strong export sector make CHF a preferred safe haven during periods of market stress.
How did the Dollar's decline impact other major currencies and Gold?
The weaker US Dollar pushed GBP/USD above 1.3600 and EUR/USD above 1.1650, while Gold prices recovered prior losses due to falling yields.

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