---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-302508"
form_type: "8-K"
ticker: "MKTX"
cik: "0001278021"
company_name: "MARKETAXESS HOLDINGS INC"
filed_at: "2021-10-20T23:59:59+00:00"
generated_at: "2026-06-28T19:33:10.485637+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MarketAxess Q3 revenues $162.1M (-1% YoY); EPS $1.52 (-15%); operating margin 45.7%

## Summary
- Revenue $162.1M, down 1.2% YoY; commission revenue $142.8M, down 5.2%.
- Operating income $74.0M, down 15.7%; operating margin 45.7% vs 53.5% last year.
- Diluted EPS $1.52 vs $1.78; net income $58.0M.
- Quarterly dividend $0.66/share declared, payable Nov 17 to holders of record Nov 3.
- Full-year 2021 expense guidance lowered to $360-365M from $370-386M.

## SEC filing metadata
- accession: 0001193125-21-302508
- form_type: 8-K
- ticker: MKTX
- cik: 0001278021
- company_name: MARKETAXESS HOLDINGS INC
- filed_at: 2021-10-20T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.02, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1278021/000119312521302508/0001193125-21-302508-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1278021/000119312521302508/d43468d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-302508
- JSON: https://secwatch.observer/filing/0001193125-21-302508.json
- Plain text: https://secwatch.observer/filing/0001193125-21-302508.txt

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