Privacy Policy
KOZUCI, Inc. respects the privacy of users of HedgeHammer. This Privacy Policy explains how we collect, use, disclose, and safeguard personal data when you use our website and services.
By using HedgeHammer, you agree to the collection and use of information in accordance with this Privacy Policy. This policy is governed by Japanese law, and any disputes shall be subject to the exclusive jurisdiction of the courts of Japan.
Last updated 3 April 2026
1.
Personal Data We Collect
- 1.1Account Data: Name, email address, and account identifiers when you register
- 1.2Portfolio & Research Data: Portfolios, watchlists, saved views, and research configurations you create
- 1.3Usage Data: Interactions with features, pages viewed, timestamps, and feature usage patterns
- 1.4Technical Data: IP address, browser type, device identifiers, operating system, and application version
- 1.5Communication Data: Support inquiries, feedback, and correspondence records
- 1.6Payment Data: Subscription status, billing history, and transaction records (credit card and bank details are never stored)
- 1.7Payment Processor: Payments are processed securely by Stripe
2.
How We Use Your Data
- 2.1Service Provision: To operate, maintain, and improve HedgeHammer
- 2.2Account Management: Authentication, access control, and subscription handling
- 2.3Communication: Responding to inquiries, delivering service notices, and sending important updates
- 2.4Analytics & Improvement: Understanding usage patterns to improve performance and features
- 2.5Security & Abuse Prevention: Detecting fraud, preventing misuse, and protecting platform integrity
- 2.6Legal & Compliance: Meeting legal, regulatory, and contractual obligations
3.
Third-Party Services & Data Sources
HedgeHammer relies on trusted third-party service providers to operate its platform, including Stripe for payment processing, cloud infrastructure providers, and external financial data vendors. We do not control these third parties and are not responsible for their privacy practices, availability, accuracy, or security. We do not sell personal data to advertisers or data brokers.
4.
Your Privacy Rights
- 4.1Access: Request a copy of the personal data we hold about you
- 4.2Correction: Update or correct inaccurate or incomplete personal data
- 4.3Deletion: Request deletion of your personal data, subject to legal and contractual retention requirements
- 4.4Restriction & Objection: Object to or request limits on certain data processing activities where applicable
5.
Data Security
- 5.1Encryption: Data is encrypted in transit using TLS/HTTPS and protected at rest using industry-standard measures
- 5.2Access Controls: Personal data access is restricted to authorised personnel only
- 5.3Monitoring: Continuous monitoring and periodic security reviews
- 5.4Incident Response: Procedures in place to investigate and respond to security incidents
6.
Data Processing & Storage
HedgeHammer processes and stores data using secure cloud infrastructure operated by reputable providers. Data may be processed in multiple jurisdictions depending on infrastructure location and third-party services, with appropriate safeguards applied.
7.
Cookies & Tracking
- 7.1Essential Cookies: Required for authentication and core service functionality
- 7.2No Advertising Cookies: We do not use advertising or cross-site tracking cookies
- 7.3No Third-Party Trackers: No third-party ad or behavioural tracking is embedded
- 7.4Browser Controls: You can manage or disable cookies via your browser settings
8.
Data Retention
- 8.1Active Accounts: Personal data is retained while your account remains active
- 8.2Account Deletion: Data is deleted or anonymised after account closure, subject to legal obligations
- 8.3Legal Retention: Certain records may be retained to comply with tax, accounting, or regulatory requirements
- 8.4Backups: Encrypted backups are retained for a limited period for disaster recovery purposes
9.
Contact Information
For questions, requests, or concerns regarding this Privacy Policy or your personal data, please contact us at