DTWEXBGS Explained: Reading the Dollar in a Multi-Asset Portfolio
What the Nominal Broad U.S. Dollar Index (DTWEXBGS) measures, how to read its single published value, and where it fits in a cross-asset comparison.
The Nominal Broad U.S. Dollar Index, series code DTWEXBGS, is a daily index published by the Federal Reserve and distributed through FRED. The most recent value in the supplied data is 121.3202, dated 2026-10-23. The index is measured against January 2006 equal to 100, is not seasonally adjusted, and is reported daily.
For an investor holding crypto, gold and U.S. equities side by side, this series is best treated as one context variable, not a signal. It tells you how the dollar has moved against a broad basket of trade partners' currencies. It does not tell you why, and it does not price any asset for you.
What the published figure actually describes
The data comes from the Board of Governors of the Federal Reserve System and is released through H.10 Foreign Exchange Rates. Units are an index with January 2006 equal to 100, and the series is not seasonally adjusted. Those three attributes matter more than they look.
Because the base is January 2006 equal to 100, a reading of 121.3202 means the dollar's broad nominal value sits above its 2006 starting level. It is a relative measure, not a price and not a percentage return. Because the series is not seasonally adjusted, part of any month-to-month wiggle can reflect recurring calendar patterns rather than a change in currency conditions.
- Series: Nominal Broad U.S. Dollar Index (DTWEXBGS)
- Latest supplied value: 121.3202 on 2026-10-23
- Base: January 2006 equal to 100
- Adjustment: not seasonally adjusted
- Frequency: daily
- Source: Board of Governors of the Federal Reserve System, H.10 release
Why a broad index differs from a headline dollar quote
A broad index tracks many trading partners' currencies rather than a single pair. That makes it a better proxy for general dollar conditions than any one exchange rate, though it still is a nominal measure: it captures currency moves, not differences in inflation between countries.
One practical consequence is that a portfolio can hold dollar-denominated assets and still carry meaningful dollar exposure through non-U.S. revenue, commodity pricing and cross-border funding. The broad index is a reminder that "the dollar" is a composite, and that a single chart of one currency pair can hide most of the movement.
A worked example, clearly hypothetical
Suppose a hypothetical investor marks the index at 121.3202 on 2026-10-23 and compares it with the January 2006 base of 100. The arithmetic is (121.3202 / 100 − 1) × 100, which equals a Hypothetical 21.3202 percent above the base. That number is an illustration of index arithmetic only, not a return on any asset or a forecast.
The same formula works for any two observations in the series: divide the later value by the earlier one, subtract one, and multiply by 100. Applied to two dates, it answers a narrow question: how much did the index change between them. It does not answer what drove the change, and it does not tell you whether the change will persist.
A short checklist before using the index
- Confirm the date of the observation; daily series can lag the calendar.
- Check whether the comparison window is the same for every asset you are lining up.
- Remember the base is January 2006 equal to 100, so levels are not percentages.
- Treat the series as not seasonally adjusted when reading short intervals.
- Keep the index as context, separate from any asset price series.
- Record the exact value and date you relied on so the comparison can be reproduced.
Where it fits for a multi-asset reader
The useful role for DTWEXBGS is alignment. If you compare crypto, gold and U.S. equities across the same window, the dollar index gives a shared backdrop measured on one consistent basis. The value 121.3202 on 2026-10-23 is the anchor from the supplied data; everything else needs its own dated observation before a comparison is honest.
What the index cannot do is substitute for asset-level data. It contains no crypto, gold or equity prices, and it says nothing about correlation or drawdown. Using it well means placing it beside those series, not in place of them.
What the source does not say
The supplied material does not establish the full historical series, so any claim about trends, highs, lows or averages over time is unsupported. It does not provide revision policy details, a release calendar, or the basket weights behind the index. It does not state market participants' positioning, causes of dollar moves, or forward-looking expectations.
It also does not provide any relationship between this index and crypto, gold or equity performance.
The source notes ask readers to review copyright information in the series notes before sharing, and to contact the data source with data questions. Those are handling notes, not analytical findings.
Sources
Informational only. Not financial, legal or investment advice. Check the primary sources listed above before you act on anything here.