GRATICE  ·  PROPRIETARY TRADING  ·  GLOBAL DERIVATIVES

Systematic Strategies.
Proprietary Capital.

Independent proprietary trading firm operating across global derivatives markets. All systems and capital are entirely our own.

Overview Enquire
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In-House
Technology Stack
Global
Derivatives Markets
Prop
Capital Structure
Algo
Execution Method
Philosophy
01 — Systems
02 — Technology
03 — Independence

Engineering first.
Markets second.
Independent by design.

Gratice is an independent proprietary trading firm developing systematic strategies and deploying capital across global derivatives markets.

We approach markets as engineering problems. All systems, infrastructure, and research environments are designed and operated entirely in-house.

Technology

Software at the core.
Not a support layer.

Trading systems, research environments, execution pipelines, and operational tooling are developed internally as a unified stack.

SOFTWARE PRODUCTS
Explore our software products ↗
gratice.io
Trading Systems
Execution logic and order management developed entirely in-house.
Research Platform
Internal environments for statistical analysis and system evaluation.
Data Infrastructure
Proprietary pipelines for market data processing and storage.
Risk & Monitoring
Real-time system monitoring and operational control frameworks.
Markets

Global Derivatives.
Systematically traded.

Gratice deploys systematic strategies across global derivatives markets. All participation is conducted through internally developed systems and regulated brokerage relationships.

Global Derivatives
Equity Index · FX
Regulated brokerage relationships
Gratice operates exclusively with proprietary capital. The firm does not manage external assets, accept client funds, or provide investment advisory services of any kind.
Contact

Professional and
institutional enquiries.

Gratice engages with brokers, clearing firms, and institutional counterparties. All enquiries are handled directly by our team.

General Enquiries
contact@gratice.com
Software Products
gratice.io ↗
Nothing on this website constitutes investment advice or a solicitation to engage in investment activities.
Company
Gratice 合同会社
Gratice LLC
Established 2026
Incorporated in Japan
Registration
Japanese Company Number
3120003032331

LEI
xxx
Registered Address
11th Floor, Osaka Ekimae Dai-3 Building
1-1-3 Umeda, Kita-ku, Osaka 530-0001
Japan

contact@gratice.com
+81-6-6786-4386
Regulatory Status
Gratice is not a registered investment adviser, broker-dealer, or financial institution.

The firm operates exclusively as a proprietary trading entity deploying its own capital only.
Director
Yutaka TOMII
Representative Member and Managing Director
Capital
Proprietary capital only.
No external investors.
No client funds accepted.
Important Notice — Proprietary Capital Only
Gratice operates exclusively with proprietary capital. The firm does not manage external assets, accept client funds, or provide investment advisory or portfolio management services of any kind to any third party.

Nothing on this website constitutes investment advice, a solicitation, or an offer to manage assets. All trading activities described relate solely to the firm's own capital and internal operations. This website is provided for informational purposes only.