COT reports: Total open positions (open interest) in 10-year Treasury futures: ULTRA UST 10Y - CHICAGO BOARD OF TRADE (number of contracts) - United States - CFTC - Weekly
This series is part of the dataset: 10-year Tresasury notes COT reports (CFTC)
Download Full Dataset (.xlsx)Latest updates. According to the Commitments of Traders (COT) reports published by the Commodity Futures Trading Commission (CFTC), total open positions (open interest) in 10-year Treasury futures of the kind "ULTRA UST 10Y - CHICAGO BOARD OF TRADE" were 2,352,973 contracts on 31 March 2026, compared to 2,353,654 on 24 March.
Sample. There are 524 records overall in the weekly time series displayed in the figure above. The time range covered by the series extends from March 2016 to March 2026.
History. Here's a peek at some statistics computed on the whole sample: positions averaged 1,245,968 contracts; they reached a trough of 95,318 on 22 March 2016; they hit a maximum of 2,715,304 on 26 August 2025.
Latest values
| Date | Value - Number of contracts |
|---|---|
| 2026-03-17 | 2378373.0 |
| 2026-03-24 | 2353654.0 |
| 2026-03-31 | 2352973.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Total open positions (open interest) in futures on 10-year Treasury notes |
| Country | United States |
| Economic concept | Stock |
| Data type | Quantity |
| Seasonally adjusted | No |
| Deflation method | Not applicable |
| Rescaling | None |
| Measure type | Level |
| Frequency | Weekly |
| Unit | Number of contracts |
| Source | Commodity Futures Trading Commission (CFTC) |
| Source type | Government agency |
| Data licence | Public domain information |
| Other information | Specific future: ULTRA UST 10Y - CHICAGO BOARD OF TRADE |
| FSR temporal aggregation code | LW1 |
Series in the same data set
Discover the other time series included in this data set.