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 2,615,042 contracts on 19 May 2026, compared to 2,487,175 on 12 May.
Sample. The weekly time series displayed in the figure has 531 observations. The time range covered by the series goes from March 2016 to May 2026.
History. Here’s a quick look at some summary statistics computed on the full sample: positions had an average value of 1,261,774 contracts; they reached a minimum of 95,318 on 22 March 2016; they recorded their highest level of 2,715,304 on 26 August 2025.
Latest values
| Date | Value - Number of contracts |
|---|---|
| 2026-05-05 | 2420440.0 |
| 2026-05-12 | 2487175.0 |
| 2026-05-19 | 2615042.0 |
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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.