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Legal

Terms of Service

Last updated: October 2026.

The service

Deltalyn is a quantitative research terminal for educational and informational purposes. We publish trading rules, backtests, and signals, all graded in the open. We do not execute orders, we do not custody funds, and we do not manage capital on your behalf.

Not financial advice

Nothing on this site is personalized investment advice or a recommendation to buy or sell any security. We are not a registered investment adviser or broker-dealer. Historical and simulated (backtested) performance does not guarantee future results. You are responsible for your own trading decisions, your own risk management, and compliance with applicable law.

Subscription and billing

Access to the full terminal is a monthly subscription billed through Stripe. New subscribers may cancel within the 7-day trial window and pay nothing. After that, you are billed monthly at the rate you joined at until you cancel. Cancel anytime from your account; access continues through the end of the billing period.

No guarantee of results

We publish our track record honestly, failures included, but past performance, whether live or backtested, is not a promise of future outcomes. Markets involve risk of loss. We provide research, not certainty.

Acceptable use

You may not resell, redistribute, or scrape the service, attempt to reverse-engineer it, or use it in violation of law. Your account is for your own use.

Intellectual property

All content, code, and methodology on Deltalyn belong to Berrezueta Inc. We grant you a limited, non-transferable license to use the service for its intended purpose during your subscription.

Limitation of liability

To the maximum extent permitted by law, Berrezueta Inc is not liable for losses arising from your use of the service, including trading losses. The service is provided "as is" without warranties of any kind.

Termination

We may suspend or terminate access for violation of these terms. You may stop using the service at any time and cancel your subscription.

Governing law

These terms are governed by the laws of the State of New York, USA. For questions, email support@deltalyn.com.

Deltalyn is a quantitative research terminal for educational and informational purposes. We are not a registered investment adviser, and no signal, backtest, or figure on this site constitutes personalized advice to buy or sell any security. The platform does not execute orders, does not custody funds, and does not manage third-party capital. Historical or simulated ("backtest") performance does not guarantee future results; trade at your own judgment, with your own risk management, and with independent licensed financial advice if you need it.