Branch offices
3 offices
FINRA: Small firm
CRD #37484 · FINRA BrokerCheck + SEC IAPD
Group ONE Trading LLC
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Group ONE Trading LLC ranks #164 of 20,055 by disclosure count (most disclosures first). Among firms registered in IL, it ranks #7 of 200 on the same disclosure sort used on the state browse page. Group ONE Trading LLC carries 33 BrokerCheck disclosures across 3 branch offices - heavy load for a small firm, earning a Grade D.
- Grade D
- Safety grade
- 3
- branch offices
- 33
- disclosures
- #164 of 20,055
- disclosure rank · graded
FINRA BrokerCheck disclosure docket
CRD record 37484 Group ONE Trading LLC
Group ONE Trading LLC · Grade D · 33 disc · 11.00/office · Small firm
- CRD 37484
- GRADE D
- DISC 33
- REG 33
- ARB 0
- CIV 0
- BRANCH 3
- PER-OFF 11.00
- RANK #164 of 20,055
- BOOK Small firm
Intensity peers
Nearest same-size peer: Speedtrader, Inc (11.00 disc/office)
Group ONE Trading LLC ranks #164 of 20,055 by disclosure count among graded broker-dealers; heavy load at 11.00 disclosures per office. Verify on FINRA BrokerCheck →
PlainAdvisorCheck rating 2/5 - an editorial, size-normalized signal, not a regulatory determination. Always verify the underlying record on FINRA BrokerCheck before engaging an advisor.
Data updated July 2026
Total disclosures
33 events
On FINRA BrokerCheck
Regulatory events
33 actions
100% of all disclosures
Disclosures per office
11.00 per office
33 ÷ 3 offices
Disclosure Intensity
Disclosures per branch office, the firm's disclosure load relative to its operating footprint.
Group ONE Trading LLC - disclosures per branch office 100.0%
Typical multi-office firm
Most multi-office firms sit below ~0.5 disclosures per branch; values above 1.0 are notably high for the footprint.
Disclosure Breakdown
| Disclosure Type | Count |
|---|---|
| Regulatory Events | 33 |
| Arbitrations | 0 |
| Civil Events | 0 |
| Total | 33 |
Counts for Group ONE Trading LLC reflect events reported on FINRA BrokerCheck as of July 2026. Disclosures are reported events, not proven violations.
Disclosure category share
Regulatory 33 Arbitration 0 Civil 0
Firm Details
- Firm Size
- Small
- Scope
- ACTIVE
- Location
- Chicago, IL, 60605
- Formed
- 10/01/2024
- State of Formation
- Delaware
- CRD Number
- 37484
- SEC Number
- 47762
Regulator-heavy mix
Group ONE Trading LLC in the heavier-disclosure third
Group ONE Trading LLC carries 33 BrokerCheck disclosures across 3 branch offices - a heavier-third raw book among graded firms (#164 of 20,055). Regulator-initiated events are 100% of the book (33 regulatory / 0 arbitration / 0 civil).
100% of Group ONE Trading LLC's 33 disclosures are regulator-initiated (33 events). Verify on FINRA BrokerCheck ↗ · how disclosures are interpreted.
Educational summary of Group ONE Trading LLC's disclosure book - not financial advice. Disclosures are reported events, not proven violations; consult a licensed advisor before decisions.
Illinois cohort · 6.48× state average
Group ONE Trading LLC sits above the Illinois disclosure average
Group ONE Trading LLC reports 33 BrokerCheck disclosures, 6.48× the Illinois average of 5.1 across 200 graded firms with a principal-office state on file.
In Illinois, 99 firms carry Grade A and 8 carry Grade F on the same size-normalized scale.
Average uses graded firms with a principal-office state on file, not a full 50-state census. Open the Illinois state book →
Source: FINRA BrokerCheck & SEC IAPD Public Disclosure Data
Frequently Asked Questions
Where does Group ONE Trading LLC sit among graded broker-dealers by disclosure count?
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Group ONE Trading LLC ranks #164 of 20,055 by disclosure count (most disclosures first). Among firms registered in IL, it ranks #7 of 200 on the same disclosure sort used on the state browse page. Ordinals match the disclosure-first sort documented on our methodology corpus-placement section. A high disclosure rank is not automatically a finding of wrongdoing; larger firms accumulate more reported events. Always review the underlying FINRA BrokerCheck detail before engaging.
What does a grade of D mean for Group ONE Trading LLC?
A grade of D reflects Group ONE Trading LLC's disclosure intensity, its weighted disclosure load per branch office, ranked against other firms of a similar size (small firm). It carries 33 total disclosures across 3 branch offices. Review the specific disclosures on FINRA BrokerCheck before engaging.
How many FINRA disclosures does Group ONE Trading LLC have?
Group ONE Trading LLC has 33 total FINRA disclosures, including 33 regulatory events. Disclosures reflect reported events on FINRA BrokerCheck and do not necessarily indicate proven violations.
How big is Group ONE Trading LLC?
Group ONE Trading LLC operates 3 branch offices and is classified by FINRA as a small firm, registered in IL (Small firm). FINRA BrokerCheck publishes branch-office counts but not a firmwide registered-representative headcount, so PlainAdvisorCheck measures firm size by branch footprint.
Where can I verify Group ONE Trading LLC's disciplinary record?
You can verify Group ONE Trading LLC's full disciplinary history on FINRA BrokerCheck at brokercheck.finra.org using CRD number 37484. BrokerCheck provides detailed information about individual registered representatives, complaints, and regulatory actions.
What is a FINRA disclosure?
A FINRA disclosure is a reported event (regulatory, arbitration, or civil). Group ONE Trading LLC's 33 events mean reading the underlying BrokerCheck detail matters more than the raw count alone.
Should I avoid Group ONE Trading LLC because of its disclosures?
Not necessarily. Larger firms accumulate more disclosures simply because they operate more offices, so PlainAdvisorCheck grades each firm against same-size peers rather than on raw counts. Group ONE Trading LLC carries 33 disclosures across 3 branch offices (about 11.00 per office). Review the nature of individual disclosures on FINRA BrokerCheck before making a decision.
Nationwide peers by disclosures or branches
Two PlainAdvisorCheck-derived peer sets for Group ONE Trading LLC, both outside IL so the neighborhoods are not state containment (the same-size intensity list below stays size-tier local).
Similar disclosure totals
Nearest cross-state graded firms by BrokerCheck disclosure count (33 here).
Read with this firm
- Speedtrader, Inc (NY) - 11.00 disclosures/office, nearest small firm peer to Group ONE Trading LLC's 11.00
- Sumo Capital, LLC (IL) - 11.00 disclosures/office, nearest small firm peer to Group ONE Trading LLC's 11.00
- Citadel Securities LLC (FL) - 10.86 disclosures/office, nearest small firm peer to Group ONE Trading LLC's 11.00
- Firms in IL - state roster that includes Group ONE Trading LLC's registration home.
- Red Flags in Advisor Records - How to read Group ONE Trading LLC's heavy load disclosure profile without over-reading raw counts.
- Reading BrokerCheck Reports - Parse the 33 disclosures behind Group ONE Trading LLC's Grade D.
- Highest-Risk Firms - Grade D/F firms on the same size-normalized scale as Group ONE Trading LLC.
- Compare firms - put Group ONE Trading LLC next to peers on grade and footprint.
Read our methodology - heavier-disclosure firms: how raw counts and per-office intensity are graded.
Retrieved and formatted by PlainAdvisorCheck from FINRA BrokerCheck public records.