DXY Dollar Index — USD weakness/strength trading
Marek śledzi DXY zamiast 6 individual USD pairs. DXY breakout above 105 March 2024 = coordinated USD basket trade: EUR/USD short -200 pips, GBP/USD short -180 pips, USD/JPY long +250 pips. Aggregate +€600 single signal. DXY = single chart USD direction. 95% correlation z EUR/USD. Tu pokazujemy framework.
DXY = USD basket index
DXY composition
Major correlations
Historical levels
- 1985 peak: 165 (Plaza Accord intervention)
- 2008 low: 71 (financial crisis weakness)
- 2014-2016: 95-100
- 2022 peak: 114 (Fed aggressive hikes)
- 2024-2025: 100-110 range
- Round numbers: 90, 95, 100, 105, 110 magnets
4 trading strategies
Marek case multi-pair coordination
„DXY = single chart USD direction. 95% correlation EUR/USD = essentially same trade. Multi-pair coordination via DXY signals = +€600 per major breakout. Pro standard alternative do watching 6 charts."
Limitations
- EUR domination 57.6% (essentially EUR/USD inverse)
- NIE CNY (largest USA trade partner)
- 1973 weights outdated
- Lower volatility (basket averaging)
- USA developed currency perspective only
Alternative indices
- Trade-weighted USD (Fed broader): 26 currencies including CNY
- Bloomberg Dollar Index (BBDXY): 10 currencies modern alternative
- USDX: similar concept, different basket
- Best practice retail: DXY + occasional Fed broader index check
Trading vehicles
- CFD DXY: FXCM, IG, most CFD brokerów
- CME futures DXY: institutional, $1000 contract value tick
- Invesco UUP ETF: USA traders, $20-25 share price
- Most forex brokers: DXY symbol available
Wnioski
DXY (US Dollar Index, "Dixie") = USD value vs basket 6 walut. 1973 origin, ICE Futures managed.
Composition: EUR 57.6% dominant, JPY 13.6%, GBP 11.9%, CAD 9.1%, SEK 4.2%, CHF 3.6%.
Correlations: EUR/USD -0.95 mirror, GBP/USD -0.80, USD/JPY +0.75, USD/CHF +0.85.
Historical levels: 165 peak 1985, 71 low 2008, 114 peak 2022, 100-110 current 2024-2025.
4 trading strategies: confirmation, direct trading, hedge USD direction, multi-pair coordination.
Marek case: DXY 105 break = coordinated basket trade EUR/USD + GBP/USD short + USD/JPY long = +€600.
Limitations: EUR domination, NIE CNY included, 1973 weights outdated, lower volatility, USA-centric.
Alternative indices: Trade-weighted Fed broader (26 currencies), Bloomberg BBDXY (10 currencies modern).
Trading vehicles: CFD DXY brokers, CME futures, Invesco UUP ETF USA.
Round numbers magnets: 90, 95, 100, 105, 110. Psychological levels multi-touch historically.
Pro standard: DXY single chart USD direction. Coordinated multi-pair strategies. €500-1500 per major breakout.
Powiązane: korelacja par + arbitraż related, pary walutowe charakter baseline, central banks framework.
Źródła i bibliografia
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ICE Futures DXY methodology · exchange source www.theice.com ↗
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St. Louis Fed FRED DXY historical data · free database fred.stlouisfed.org ↗
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Invesco UUP ETF Dollar Index ETF · retail vehicle www.invesco.com ↗
Najczęstsze pytania
DXY composition + history?
DXY (US Dollar Index, "Dixie") = USD value vs basket 6 walut. Origin: 1973 po Bretton Woods collapse. ICE Futures Exchange manages. Composition (current): EUR 57.6% — largest weight (dominant). JPY 13.6%. GBP 11.9%. CAD 9.1%. SEK (Swedish krona) 4.2%. CHF (Swiss franc) 3.6%. Geometric weighted average: NIE simple average. Each currency contribution weighted + geometric mean calculated. Why EUR 57.6%: Eurozone largest USA trade partner. EUR introduction 1999 simplified DXY (replaced 5 currencies z 1 EUR). NIE represents global USD: only 6 developed currencies. Excludes CNY (largest USA trade partner ironically), MXN, BRL, INR, KRW. Trade-weighted USD index (Fed broader index) different — includes 26 currencies. Historical levels: 1985 peak: 165 (Plaza Accord intervention). 2008 low: 71 (financial crisis weakness). 2014-2016: 95-100. 2022 peak: 114 (Fed aggressive hikes). 2024-2025: 100-110 range. Round numbers magnets: 90, 95, 100, 105, 110 = psychological levels. Multi-touch resistance/support historically. Trader implication: DXY single-chart USD direction. Easier niż watching 6 individual pairs. Trend established DXY = consistent across USD pairs.
Correlations z forex pairs?
DXY correlations major pairs (2024-2025 data): EUR/USD: -0.95 (very strong negative): mirror image. DXY up = EUR/USD down 95% time. EUR 57.6% DXY weight = essentially same trade. Trader watch jeden chart pomoc both. GBP/USD: -0.80 (strong negative): GBP component DXY 11.9%. Plus correlation z EUR (UK economy linked). Less perfect mirror niż EUR/USD ale highly correlated. USD/JPY: +0.75 (strong positive): USD numerator. DXY up = USD strength = USD/JPY up. JPY 13.6% DXY weight. AUD/USD: -0.70 (moderate negative): commodity currency, partially decoupled USD majors. Risk-on/risk-off factor. USD/CAD: +0.65: CAD 9.1% DXY weight. Plus oil correlation (CAD-Oil link). NZD/USD: -0.65: similar AUD (Asia-Pacific commodity). USD/CHF: +0.85: CHF 3.6% DXY weight. Strong positive (USD strength = USD/CHF up). Cross pairs (non-USD): weaker correlation z DXY. EUR/GBP, EUR/JPY, AUD/JPY less affected USD direction direct. Trading applications: (1) Confirmation: DXY rising + EUR/USD falling = strong USD weakness signal confirmed. Mixed = caution. (2) Divergence: DXY up + EUR/USD up = unusual, possibly DXY methodology quirk lub idiosyncratic EUR strength. Refresh: correlations change. Weekly check Myfxbook lub TradingView correlation indicator.
Trading framework DXY?
DXY trading multiple applications: Strategy 1: DXY as confirmation: trade EUR/USD primary, watch DXY confirmation. EUR/USD long entry + DXY downtrend confirmed = high probability. EUR/USD long + DXY uptrend = warning, possible failure. Strategy 2: Direct DXY trading: trade DXY index itself. Brokers oferują CFD DXY (FXCM, IG, etc.). CME futures DXY contract. Invesco UUP ETF (USA traders). Levels trading DXY: 100 round = major psychological. 105 important resistance/support. 110 strong. Strategy 3: DXY hedge: portfolio EUR/USD long + DXY long = USD direction hedged. Pure EUR play. Advanced. Strategy 4: Multi-pair coordination: DXY break above 105 = trigger USD-strong basket trades. Short EUR/USD, GBP/USD. Long USD/JPY, USD/CHF. Marek case 2024: DXY broke above 105 March 2024. Coordinated USD basket: EUR/USD short -200 pips, GBP/USD short -180 pips, USD/JPY long +250 pips. Aggregate +€600 single signal coordination. Confluence z fundamentals: DXY moves driven Fed policy expectations. Hawkish Fed = DXY up. Combine z FOMC, CPI, GDP analysis = predictable USD trend. Tools: TradingView DXY chart free. Forex Factory DXY mention. Bloomberg DXY ticker. Most brokers DXY symbol.
Limitations + advanced considerations?
DXY limitations + advanced considerations: (1) EUR domination (57.6% weight): DXY essentially EUR/USD inverse z modifications. Lose niche-currency information. EM USD impact (USD/MXN, USD/CNY) NIE captured. (2) Outdated composition: 1973 weights still reflected. CNY massive USA trade NIE included. Trade-weighted Fed index more accurate global USD (DOLLAR_INDEX_FRED). (3) Geometric vs arithmetic: DXY uses geometric weighted. Small differences vs arithmetic (would simplify retail understanding). (4) Volatility differences: DXY less volatile than individual USD pairs (basket averaging). 10% move DXY = significant. 10% individual pair = normal. (5) USA-centric perspective: USD value vs developed currencies. NIE global USD purchasing power (CPI inflation, real USD value). Alternative indices: Trade-weighted USD (Fed broader): 26 currencies including CNY, MXN, etc. More representative global USD. Available FRED free. Bloomberg Dollar Index (BBDXY): 10 currencies including CNY, KRW, INR. Modern alternative. USDX (different from DXY): similar concept, different basket. Use case recommendations: DXY: forex retail (most common), aligned EUR/USD trading. BBDXY: macro analysis, global trade. Fed broader: academic research, monetary policy analysis. Krzysztof case: tracked tylko DXY 5 lat. Switched broader Fed index 2023 dla macro picture. Better understanding global USD trends (CNY weakness affected USD strength NIE captured DXY). +€2k yearly improvement attributable.