---
schema_version: "secwatch.filing_event.v1"
accession: "0001099910-26-000202"
form_type: "8-K"
ticker: null
cik: "0000319643"
company_name: "CANADIAN DERIVATIVES CLEARING CORP"
filed_at: "2026-06-02T18:11:22+00:00"
generated_at: "2026-06-02T18:12:12.483742+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# CDCC files updated list of underlying interests for US-listed options as of May 31, 2026

## Summary
- Exhibit 99.1 contains the complete list of equity, index, CEF, CDR, and ETF underlying instruments.
- No material changes, financial results, or corporate events are disclosed in this filing.
- The list includes over 250 underlying securities traded on the Montreal Exchange.
- This is a routine regulatory update for CDCC's Form S-20 registration statement.

## SEC filing metadata
- accession: 0001099910-26-000202
- form_type: 8-K
- cik: 0000319643
- company_name: CANADIAN DERIVATIVES CLEARING CORP
- filed_at: 2026-06-02T18:11:22+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/319643/000109991026000202/0001099910-26-000202-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/319643/000109991026000202/cdcc_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001099910-26-000202
- JSON: https://secwatch.observer/filing/0001099910-26-000202.json
- Plain text: https://secwatch.observer/filing/0001099910-26-000202.txt

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