COT reports: Total open positions (open interest) in S&P 500 index futures: E-MINI S&P 500 - CHICAGO MERCANTILE EXCHANGE (number of contracts) - United States - CFTC - Weekly
This series is part of the dataset: S&P 500 index futures 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 S&P 500 index futures of the kind "E-MINI S&P 500 - CHICAGO MERCANTILE EXCHANGE" were 1,895,922 contracts on 29 September 2026, compared to 1,890,653 on 22 September 2026.
Sample. There are 717 data points in the weekly time series shown in the graph above. The series covers the time period extending from January 2013 to September 2026.
History. Here's a peek at a few descriptive statistics we calculated on the full sample: positions reached their maximum of 4,554,164 contracts on 17 March 2020; they registered a minimum of 1,879,423 on 24 March 2026; they averaged 2,649,273.
Latest values
| Date | Value - Number of contracts |
|---|---|
| 2026-09-15 | 2,446,519 |
| 2026-09-22 | 1,890,653 |
| 2026-09-29 | 1,895,922 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Total open positions (open interest) in S&P 500 index futures |
| 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: "E-MINI S&P 500 - CHICAGO MERCANTILE EXCHANGE |
| FSR temporal aggregation code | LW1 |
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