---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-273297"
form_type: "8-K/A"
ticker: "DBC"
cik: "0001328237"
company_name: "Invesco DB Commodity Index Tracking Fund"
filed_at: "2025-11-10T23:59:59+00:00"
generated_at: "2026-05-16T22:17:13.856517+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Invesco DB Commodity Index Fund index methodology modified by Deutsche Bank effective Nov 10, 2025

## Summary
- Index expanded to include 14 new commodities: Gas Oil, Comex Copper, Lead, Nickel, Platinum, Feeder Cattle, Cocoa, Coffee, Cotton, Lean Hogs, Live Cattle, Wheat, Soybean Meal, Soybean Oil.
- Optimum Yield methodology modified to eliminate illiquid contracts.
- Base weights now reviewed annually via rules-based process reflecting global production and liquidity.
- Sector and single-commodity caps/floors implemented to reduce concentration risk; intra-year rebalance triggers added.
- Fund's investment objective unchanged; changes effective November 10, 2025.

## SEC filing metadata
- accession: 0001193125-25-273297
- form_type: 8-K/A
- ticker: DBC
- cik: 0001328237
- company_name: Invesco DB Commodity Index Tracking Fund
- filed_at: 2025-11-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1328237/000119312525273297/0001193125-25-273297-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1328237/000119312525273297/d70758d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-273297
- JSON: https://secwatch.observer/filing/0001193125-25-273297.json
- Plain text: https://secwatch.observer/filing/0001193125-25-273297.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
