Currencies & FX

Currencies are the relative-price layer beneath every other asset. The US dollar is the dominant reserve and trade-invoicing currency, accounting for roughly 58% of global FX reserves and over 80% of cross-border trade settlement. The DXY index measures the dollar against a basket of six major currencies (euro at 57.6%, yen at 13.6%, pound at 11.9%, Canadian dollar at 9.1%, Swedish krona at 4.2%, Swiss franc at 3.6%). DXY at 98.92 on April 29, 2026 is well below the November 2022 peak of 114 but still above the 2008 lows near 71.

The major-pair complex (EUR/USD, USD/JPY, GBP/USD, USD/CHF, AUD/USD, USD/CAD) plus emerging-market pairs (USD/CNY, USD/MXN, USD/BRL, USD/INR) cover essentially all globally traded volume. Each pair captures rate differentials between the two central banks, growth divergence, and risk-on/risk-off capital flow. USD/JPY at 159 in April 2026 reflects a 300bp interest-rate gap (Fed at 3.50-3.75% versus BoJ near 0.5%) and the structural carry trade that has driven yen weakness for three years.

The trade-weighted dollar index (DTWEXBGS, 118.86 in April 2026 against a Jan 2006=100 base) tracks the dollar against a broader basket and is the cleaner measure of global dollar strength than DXY alone (which is heavily euro-weighted). Trade-weighted dollar strength is what tightens global financial conditions: it raises the cost of offshore dollar funding for foreign borrowers, pressures EM currencies, and reduces commodity demand.

DXY at 98.92 is in a sideways consolidation between 95 and 105 that has held since late 2024. The 2022 peak of 114 was driven by the most aggressive Fed hiking cycle in 40 years; the retracement to the high-90s reflects rate-cut pricing, a softer US growth backdrop, and rebuild of reserve manager interest in non-dollar assets.

EUR/USD at roughly 1.06 reflects ECB-Fed rate convergence (ECB at 2.25%, Fed at 3.50-3.75%). The euro has been range-bound 1.04-1.10 for most of 2025-2026, well below the 2008 peak above 1.60 but above the 2022 low at parity. European growth has stabilized but remained below trend, leaving the euro without a strong directional catalyst.

USD/JPY at 159 is at the high end of the 2024-2026 range. The Bank of Japan held 0.50% on April 30, 2026, with possible normalization toward 1.0% by mid-2026. Japan has intervened verbally above 162 and directly above 165 in recent cycles. The 300bp rate differential makes the yen carry trade still highly profitable for non-yen-funded portfolios but creates intervention risk above 165.

USD/CNY at 7.10 reflects PBoC management within a 2% daily band against a basket. China has loosened the yuan modestly to support exporters; major moves are policy decisions, not market-driven.

EM FX (USD/MXN, USD/BRL) has been resilient in 2026 despite US rate restrictiveness, supported by domestic central-bank credibility (especially Banxico) and local interest-rate carry. The MSCI Emerging Markets Currency Index has gained 5%+ year-to-date.

Interest-rate differentials are the first driver and the dominant one for major-pair carry. The 2-year yield gap is the cleanest single proxy. US 2Y at 3.79% versus German 2Y at roughly 1.80% gives a +200bp dollar-positive carry that has anchored EUR/USD in the 1.04-1.10 range. USD/JPY at 159 is essentially a function of the 350bp 2Y gap (US 3.79% versus Japan 0.30%). When rate gaps move 25-50bp, the corresponding pair typically moves 2-5%.

Growth divergence is the second driver and matters more for capital flows than for carry. Pairs respond to forward-growth expectations (Citi Economic Surprise Indices, OECD leading indicators) on top of the carry. The 2024-2026 USD softening reflected slowing US growth differentials versus Europe and EM stabilizing from earlier weakness.

Risk-on/risk-off is the third driver and the dominant one during stress episodes. The dollar, yen, and Swiss franc act as safe-haven currencies; EM and commodity FX (AUD, NZD, ZAR) act as risk-on currencies. During the 2024 carry-trade unwind, USD/JPY fell from 162 to 142 in three weeks as carry positions liquidated. During COVID March 2020, DXY spiked to 103 as global investors fled to dollar safety regardless of carry math. Watch the VIX-DXY correlation; it inverts during stress.

From May 2021 (DXY ~90) to November 2022 (DXY 114), the dollar rallied 27% on the most aggressive Fed hiking cycle since the early 1980s, combined with European energy crisis and yen weakness on BoJ accommodation. EUR/USD fell from 1.22 to 0.96 (parity break in September 2022). USD/JPY rose from 110 to 152. The dollar spike tightened global financial conditions sharply, contributed to the EM debt stress of 2022, and forced central bank intervention from BoJ (October 2022, $43B intervention) and Swiss National Bank (FX selling). The cycle taught that DXY moves of 20%+ in eighteen months reorganize every other asset class through funding-cost channels.

From July 2008 (DXY ~73) to March 2009 (DXY ~89), the dollar rallied 22% in eight months as the Lehman collapse triggered global flight-to-safety into dollars. Foreign banks unable to fund their dollar-denominated assets aggressively bid for dollars, and global cross-currency basis swaps blew out as dollar funding froze. The Fed responded with $580B+ of central-bank-to-central-bank dollar swap lines, the policy innovation that has been deployed in every subsequent crisis (2020, 2023). The episode established that during global financial stress, DXY rallies regardless of US fundamentals, simply because global agents need dollars to deleverage.

DXY (US Dollar Index): 98.92 on April 29, 2026. The euro-heavy major-currency basket. Default benchmark for US dollar strength.

DTWEXBGS (Trade-Weighted Dollar Broad): 118.86 in April 2026. Broader basket including EM currencies, the cleaner measure of global dollar tightness for emerging markets.

EUR/USD: 1.06. The most-traded currency pair globally. ECB-Fed rate gap is the primary driver.

USD/JPY: 159. Reflects the 300bp+ Fed-BoJ rate gap. Carry-trade barometer; intervention risk above 162-165.

USD/CNY: 7.10. PBoC-managed, daily 2% band. Policy signal more than market trade.

USD/MXN: ~17. The cleanest EM-FX carry play, supported by Banxico discipline.

GBP/USD: ~1.28. Reflects BoE-Fed differential plus UK growth and fiscal trajectory.

DXY versus commodities runs strongly negative. DXY off the 2022 peak by 13% has been the structural tailwind for the 2024-2026 commodity rally. A renewed DXY rally above 105 would pressure WTI, gold, and copper simultaneously through the dollar-denominator channel.

DXY versus EM equities runs strongly negative through the offshore-dollar-funding channel. EEM (emerging markets ETF) and EM credit are typically inversely correlated with DXY at -0.6 to -0.8 over rolling 60-day windows. The April 2026 EM equity strength reflects DXY softening on the margin.

DXY versus US equities is more nuanced. A weaker DXY supports US multinationals (40%+ of S&P 500 revenue is foreign), but a strong dollar can also reflect strong US growth that supports earnings. Watch the correlation; when DXY-SPY turns negative, it usually signals dollar weakness from US growth concerns rather than from Fed easing.

USD/JPY versus US 10Y yield runs almost mechanically positive on rate-differential math. The pair tracks the gap between US and Japanese 10Y yields with a 4-8 week lag. US 10Y rolling toward 3.5% with BoJ hiking would compress USD/JPY toward 140-145 quickly.

First: DXY range break. The 95-105 range has held since late 2024. A break above 105 reignites the dollar-strength regime that pressures commodities and EM. A break below 95 signals dollar-weakness regime that lifts those same trades.

Second: USD/JPY intervention zones. Above 162 raises verbal intervention risk; above 165 triggers direct intervention; above 170+ would be emergency-level. The yen is the FX-market's stress gauge.

Third: BoJ normalization path. The April 30 BoJ hold with hints at June or July moves matters more than headline policy. A BoJ hike to 1.0% combined with Fed cuts would compress USD/JPY 10-15 yen quickly.

Fourth: Chinese yuan policy. PBoC has held USD/CNY in a tight band; a discrete 5%+ devaluation would deflate global commodity prices and pressure trade-exposed economies.

Fifth: EM FX carry. The Banxico-Fed differential and Mexican fiscal trajectory determine USD/MXN; the Brazilian central bank's path determines USD/BRL. Both have been resilient; cracks in either would signal broader EM stress.