These Terms of Service (the "Terms") form a binding agreement between you ("you", "your", "User") and AstronAlgo ("we", "us", "our", "AstronAlgo"), the operator of the AstronAlgo platform and related products and services. By creating an account, accessing, or using any part of the Service you agree to be bound by these Terms, the Privacy Policy, the Risk Disclosure, the Acceptable Use Policy, the Refund Policy, and the Cookie Policy, each of which is incorporated into these Terms by reference (collectively, the "Agreement"). If you do not accept the Agreement in full, do not access or use the Service.

Effective date: 2026-05-15.

1. Definitions

For the purposes of the Agreement:

1.1 "Service" means the AstronAlgo website (astronalgo.com), associated subdomains, applications (web, mobile, API), data feeds, dashboards, alerts, computed scores, analytical models, and any related materials we make available.
1.2 "Content" means any text, data, signals, scores, summaries, charts, news, images, or other material delivered by the Service.
1.3 "User Content" means any content you submit to the Service (e.g. watchlists, notes, tags, configuration).
1.4 "Account" means the user account created on the Service.
1.5 "Subscription" means a recurring paid plan that provides access to specified features of the Service.
1.6 "Payment Provider" means the third-party merchant of record or processor we use to collect Subscription fees.
1.7 "Applicable Law" means all laws, regulations, rules, and orders applicable to the use of the Service in your jurisdiction.

2. The Service

2.1 Nature of the Service. AstronAlgo is an analytical and educational platform that aggregates publicly available market data, news, and other inputs to produce computed signals, scores, biases, and contextual summaries about financial instruments, sectors, and market conditions.

2.2 What the Service is not. The Service does not (a) execute trades or send orders to any market or broker, (b) hold customer funds or securities, (c) provide brokerage, custody, clearing, or settlement services, (d) provide personalised investment, legal, tax, or accounting advice, (e) constitute a solicitation or recommendation to buy, sell, or hold any financial instrument, or (f) act as a fiduciary, investment adviser, broker-dealer, or financial planner.

2.3 Updates. We may add, remove, modify, suspend, or replace features of the Service at any time. We will use reasonable efforts to notify you of material changes in advance.

3. No Investment Advice

3.1. Nothing on the Service constitutes investment advice, financial advice, trading advice, tax advice, legal advice, or any other form of advice. All Content is provided for informational and educational purposes only.

3.2. You are solely responsible for evaluating the merits and risks of any decision you make based on information available on the Service. Before acting on any Content you should consult a qualified financial professional licensed in your jurisdiction.

3.3. See the Risk Disclosure for important risks associated with trading and investing.

4. Eligibility

By using the Service you represent and warrant that:

4.1 you are at least 18 years old (or the age of majority in your jurisdiction, whichever is greater);
4.2 you have full legal capacity to enter into a binding contract;
4.3 you are not located in, under the control of, or a national or resident of any jurisdiction subject to comprehensive sanctions administered by the United Nations, the European Union, the United Kingdom, the United States Office of Foreign Assets Control (OFAC), or the Republic of Türkiye;
4.4 your use of the Service does not violate Applicable Law;
4.5 you have not been previously suspended or removed from the Service.

5. Account & Security

5.1 Registration. To access certain features you must create an Account by providing accurate, complete, and current information.

5.2 Credentials. You are responsible for maintaining the confidentiality of your credentials and for all activity that occurs under your Account. You must notify us immediately of any unauthorised access or use at support@astronalgo.com.

5.3 Suspension. We may suspend or terminate any Account we reasonably suspect of compromise, misuse, fraud, or breach of the Agreement.

5.4 One Account per user. Each natural person may hold one Account unless we expressly authorise otherwise in writing.

6. Subscriptions, Billing & Renewals

6.1 Plans. The Service offers a free tier and one or more paid Subscription plans. The features of each plan, pricing, and billing cadence are described on the Pricing page.

6.2 Billing. Subscriptions are billed in advance by our Payment Provider. Card details are processed by the Payment Provider and are not stored on our servers.

6.3 Auto-renewal. Subscriptions automatically renew at the end of each billing period at the then-current rate until cancelled. You may cancel at any time from your Account settings or by contacting us.

6.4 Cancellation. Upon cancellation, access continues until the end of the current paid period. We do not pro-rate refunds for unused time except as set out in the Refund Policy or as required by Applicable Law.

6.5 Taxes. Prices are exclusive of applicable taxes (e.g. VAT, KDV) unless explicitly stated. Where we or our Payment Provider are required to collect taxes we will add them to your invoice.

6.6 Price changes. We may change Subscription prices with at least 30 days' prior notice via email or in-product banner. Changes apply from your next renewal.

6.7 Failed payments. If a payment fails, we may retry the charge, downgrade you to the free tier, or suspend access until the balance is settled.

7. Acceptable Use

Your use of the Service is subject to the Acceptable Use Policy, which is incorporated by reference. Without limiting that policy, you agree not to:

scrape, mirror, crawl, or systematically download Content;
reverse engineer, decompile, or attempt to derive the source code or models;
use the Service in a way that violates securities laws, market abuse rules, or sanctions regimes;
use the Service to manipulate markets, coordinate trading, or facilitate insider trading;
interfere with or disrupt the Service, servers, or networks;
share, resell, or sublicense access to your Account or to the Service;
use the Service to build, train, or evaluate a competing product or model;
misrepresent your identity or affiliation;
upload malware, attempt unauthorised access, or perform vulnerability testing without our prior written consent.

8. Licence Grant & Intellectual Property

8.1 Our IP. The Service, including all software, designs, models, scores, text, graphics, and the AstronAlgo name and marks, is owned by AstronAlgo or its licensors and is protected by intellectual property laws.

8.2 Licence to you. Subject to your compliance with the Agreement, we grant you a personal, limited, revocable, non-exclusive, non-transferable, non-sublicensable licence to access and use the Service for your personal or internal business purposes only.

8.3 Restrictions. Except as expressly permitted, you may not copy, distribute, publicly display, modify, sell, rent, lease, lend, or create derivative works of the Service or any Content.

8.4 User Content licence. You retain ownership of User Content. You grant AstronAlgo a worldwide, non-exclusive, royalty-free, sublicensable licence to host, store, copy, transmit, display, and process User Content solely for the purpose of operating and improving the Service.

8.5 Feedback. If you submit ideas, suggestions, or feedback about the Service, you grant us a perpetual, irrevocable, royalty-free licence to use and exploit them for any purpose without obligation to you.

9. Third-Party Content & Services

9.1. The Service incorporates market data, news, and other information from third-party providers (the "Third-Party Data"). We do not guarantee the accuracy, completeness, timeliness, or fitness for purpose of any Third-Party Data. Reference prices may be delayed and may differ from consolidated market data or executable quotes.

9.2. The Service may contain links to third-party websites or services. We are not responsible for the content, policies, or practices of any third party.

10. Privacy & Data Protection

Our collection and use of personal data is described in the Privacy Policy. By using the Service you acknowledge the data practices described there. We rely on a closed list of sub-processors which is published at Sub-processors.

11. Disclaimer of Warranties

11.1. THE SERVICE AND ALL CONTENT ARE PROVIDED "AS IS" AND "AS AVAILABLE", WITHOUT WARRANTIES OF ANY KIND, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, QUIET ENJOYMENT, ACCURACY, OR FREEDOM FROM ERRORS OR INTERRUPTIONS.

11.2. WITHOUT LIMITING THE FOREGOING, WE DO NOT WARRANT THAT (a) THE SERVICE WILL MEET YOUR REQUIREMENTS, (b) ANY SIGNAL, SCORE, BIAS, OR ANALYSIS WILL PRODUCE PROFITABLE OUTCOMES, OR (c) ANY ERRORS WILL BE CORRECTED.

11.3. Some jurisdictions do not allow the exclusion of certain warranties; in such jurisdictions the above exclusions apply to the maximum extent permitted by Applicable Law.

12. Limitation of Liability

12.1. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, ASTRONALGO AND ITS OPERATORS, AFFILIATES, OFFICERS, EMPLOYEES, AGENTS, AND LICENSORS WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, REVENUES, DATA, BUSINESS, GOODWILL, OR TRADING LOSSES, WHETHER IN CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY, OR OTHERWISE, ARISING OUT OF OR RELATING TO THE AGREEMENT OR YOUR USE OF THE SERVICE, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

12.2. OUR TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THE AGREEMENT WILL NOT EXCEED THE GREATER OF (a) THE AMOUNT YOU PAID US IN THE TWELVE (12) MONTHS PRECEDING THE EVENT GIVING RISE TO THE CLAIM, AND (b) ONE HUNDRED UNITED STATES DOLLARS (US$100).

12.3. Nothing in the Agreement limits liability that cannot be limited under Applicable Law, including liability for fraud, willful misconduct, or death or personal injury caused by negligence.

13. Indemnification

You agree to defend, indemnify, and hold harmless AstronAlgo and its operators, affiliates, officers, employees, agents, and licensors from and against any claims, liabilities, damages, judgments, awards, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising out of or relating to (a) your use of the Service, (b) your breach of the Agreement, (c) your User Content, or (d) your violation of any third-party right or Applicable Law.

14. Term & Termination

14.1 Term. The Agreement begins when you first access the Service and continues until terminated.

14.2 Termination by you. You may terminate the Agreement at any time by closing your Account.

14.3 Termination by us. We may suspend or terminate your access (a) immediately for breach of the Agreement, (b) for non-payment, (c) for fraud or abuse, (d) if required by Applicable Law, or (e) for any other reason with at least 30 days' notice.

14.4 Effect of termination. Upon termination, your right to use the Service ceases. Sections that by their nature should survive (including Sections 8, 11, 12, 13, 16, 17, 18, and 19) will survive termination.

15. Changes to the Service or the Agreement

We may modify the Agreement at any time. If we make material changes we will notify you by email or via an in-product banner at least 30 days before they take effect, unless immediate changes are required by Applicable Law or for security or operational reasons. Your continued use of the Service after the effective date constitutes acceptance.

16. Governing Law & Jurisdiction

16.1. The Agreement is governed by the laws of the Republic of Türkiye, without regard to conflict of laws principles.

16.2. The Istanbul Çağlayan Courts and Enforcement Offices have exclusive jurisdiction over any dispute arising from or relating to the Agreement, except where mandatory consumer protection law in your jurisdiction gives you the right to bring claims in your local courts.

16.3. The parties agree to attempt to resolve any dispute amicably for at least 30 days before initiating formal proceedings.

17. Force Majeure

We will not be liable for any delay or failure to perform resulting from causes outside our reasonable control, including acts of God, war, terrorism, sanctions, riots, embargoes, strikes, internet or telecommunication failures, denial-of-service attacks, or failures of third-party providers.

18. Miscellaneous

18.1 Entire Agreement. The Agreement constitutes the entire agreement between the parties regarding the Service and supersedes all prior agreements and understandings.
18.2 Severability. If any provision is held unenforceable, the remaining provisions remain in full force and effect.
18.3 No Waiver. Our failure to enforce any right is not a waiver of that right.
18.4 Assignment. You may not assign the Agreement without our prior written consent. We may assign the Agreement to an affiliate or in connection with a merger, acquisition, or sale of assets without notice.
18.5 Relationship. No agency, partnership, joint venture, or employment relationship is created by the Agreement.
18.6 Notices. We may give notice via email to the address registered on your Account, or by posting in the Service. You may give notice to us at support@astronalgo.com.
18.7 Governing Language. The English version of the Agreement is the controlling version. Any translation is provided for convenience only.
18.8 Headings. Section headings are for convenience only and have no legal effect.

19. Contact

Questions about the Agreement: support@astronalgo.com.