How to read it
The index measures the inflation-adjusted, trade-weighted yen. The distance measure compares the index with its ten-year median.
Benchmark · monthly · index
Inflation-adjusted trade-weighted yen
How weak is the yen once inflation and trading-partner currencies are accounted for?
Inflation-adjusted trade-weighted yen tracks BIS real narrow effective exchange rate for Japan, 2020=100. It uses monthly data.
Inflation-adjusted trade-weighted yen tracks BIS real narrow effective exchange rate for Japan, 2020=100. It uses monthly data.
- Real narrow effective exchange rate
- 62.26index
- Three-month change
- −1.37 index
- from 63.63
- One-year change
- −6.44 index
- from 68.70
- Historical percentile
- 0th
- of 486 readings · since 1986-01-31
- Distance from median
- -28.65index
Inflation-adjusted trade-weighted yen
Real narrow effective exchange rate
| Series | First | Latest | Min | Max |
|---|---|---|---|---|
| Real narrow effective exchange rate | 112.78 | 62.26 | 62.26 | 179.53 |
How this is calculated
BIS real narrow effective exchange rate for Japan, 2020=100PIER20 calculates this benchmark from official observations from the Bank for International Settlements (BIS). The formula is BIS real narrow effective exchange rate for Japan, 2020=100. The source table lists each selector and source link.
The latest data is from June 2026. The Real narrow effective exchange rate reading is 62.26 index. The Ten-year median reading is 90.91 index. The Distance from median reading is -28.65 index. The Real narrow effective exchange rate line is down 9.4% over the past year. It is below its long-run median of 120.69 index.
How to read it
How this benchmark is used
Why traders watch it
Currency traders use this benchmark to compare the real yen with its recent range.
Frequently asked questions
4 answersWhat is the latest reading for Inflation-adjusted trade-weighted yen?
The latest data is from June 2026. The Real narrow effective exchange rate reading is 62.26 index. The Ten-year median reading is 90.91 index. The Distance from median reading is -28.65 index. The Real narrow effective exchange rate line is down 9.4% over the past year. It is below its long-run median of 120.69 index.
How often does this benchmark update?
The source publishes monthly data. PIER20 updates the page after each new observation. The chart shows the data date and fetch date.
What data sources does this chart use?
The Bank for International Settlements (BIS) publishes the data. The methodology section lists each source series.
Where does the data come from?
The Bank for International Settlements (BIS) publishes the source data. The source table lists each series and its exact link.