This dataset contains daily official exchange rates of foreign currencies against the Tajikistani Somoni (TJS) from January 1, 2001 to December 31, 2025, obtained from the National Bank of Tajikistan (NBT) website.

Data Source

The data was collected by scraping the NBT exchange rate archive:
https://nbt.tj/ru/kurs/kurs.php

Data Format

The dataset is provided in wide format in the file nbt_historical_rates.parquet (Snappy compression).

Date – date in YYYY-MM-DD format
Other columns – three‑letter ISO 4217 currency codes. Values represent the exchange rate of one unit of the foreign currency (or per unit after adjusting for nominal values) against the Somoni.

The dataset includes 55 currencies, covering major reserve currencies, regional currencies, and historical currencies of eurozone countries (e.g., FRF, DEM, ITL) that were replaced by the euro.

Dataset Statistics

Number of records: 7,517 days
Period: 2001-01-01 – 2025-12-31
Missing values: ~34% (mostly for historical currencies that ceased after euro adoption)

Detailed statistical analysis (means, standard deviations, correlations, volatility) is available in the repository as additional CSV files:

currency_statistics.csv
correlation_matrix.csv
volatility_analysis.csv
anomalies_detected.csv

Sample Data

Date	USD	EUR	RUB	CNY	KZT	...
2001-01-01	2.200	2.050	0.080	0.265	0.015	...
2001-01-02	2.205	2.060	0.081	0.266	0.015	...

Usage

You can load the dataset directly from Hugging Face:

import pandas as pd

df = pd.read_parquet("hf://datasets/TimeSeriesHub/nbt-historical-rates/data/nbt_historical_rates.parquet")

Alternatively, clone the repository and work with a local copy.

License

The data is provided for non‑commercial use. When publishing results, please credit the National Bank of Tajikistan as the source.

Citation

If you use this dataset in your research, please cite it as:

@dataset{timeserieshub_nbt_2026,
  title = {NBT Historical Currency Rates (2001-2025)},
  author = {TimeSeriesHub},
  year = {2026},
  publisher = {Hugging Face},
  url = {https://huggingface.co/datasets/TimeSeriesHub/nbt-historical-rates}
}

Made with ❤️ by TimeSeriesHub

Contact

For questions or suggestions, please open an issue in this repository.

Last updated: February 25, 2026

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