COT reports: Total open positions (open interest) in 25+-year Treasury futures: ULTRA UST BOND - CHICAGO BOARD OF TRADE (number of contracts) - United States - CFTC - Weekly
This series is part of the dataset: Long-term Treasury 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 25+-year Treasury futures of the kind "ULTRA UST BOND - CHICAGO BOARD OF TRADE" were 2,397,995 contracts on 13 October 2026, compared to 2,404,377 on 6 October 2026.
Sample. There are 717 observations overall in the weekly time series shown in the plot above. The period covered by the series extends from January 2013 to October 2026.
History. Here are some descriptive statistics we computed on the whole sample: positions had an average value of 1,142,370 contracts; they recorded a maximum of 2,968,853 contracts on 25 August 2026; they hit a minimum of 351,274 contracts on 8 January 2013.
Latest values
| Date | Value - Number of contracts |
|---|---|
| 2026-09-29 | 2,507,580 |
| 2026-10-06 | 2,404,377 |
| 2026-10-13 | 2,397,995 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Total open positions (open interest) in futures on 25+-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 BOND - 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.