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 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 25+-year Treasury futures of the kind "ULTRA UST BOND - CHICAGO BOARD OF TRADE" were 2,230,822 contracts on 31 March 2026, compared to 2,223,075 on 24 March 2026.
Sample. There are 689 observations overall in the weekly series shown in the chart above. The span of time covered by the series stretches from January 2013 to March 2026.
History. Here’s a quick look at a few statistics calculated on the full sample: positions had a mean of 1,089,829 contracts; they reached a minimum of 351,274 on 8 January 2013; they reached a maximum of 2,541,774 on 24 February 2026.
Latest values
| Date | Value - Number of contracts |
|---|---|
| 2026-03-17 | 2232309.0 |
| 2026-03-24 | 2223075.0 |
| 2026-03-31 | 2230822.0 |
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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.