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Last updated August 25, 2026.
Information only
The analyses, models, case studies, and applications on this site and its subdomains are published for general information. They are not investment, financial, legal, or tax advice, and not an offer or solicitation to buy or sell any security, commodity, or other instrument. They do not consider any person's objectives or financial situation. Past results do not indicate future outcomes.
Jan Zika is not a registered investment adviser. Views expressed are the author's own and not those of any employer or client.
Models and data
Models are screening tools built from historical data and extrapolate rather than simulate. Each case study states its method, validation, and limits. Data are drawn from public sources named in the relevant case study and may contain errors or be out of date.
No warranty
Content is provided as is, without warranty of any kind. To the fullest extent permitted by law, Jan Zika accepts no liability for any loss arising from reliance on it.
Copyright
Text, models, and code on this site are © Jan Zika unless stated otherwise. Short quotations with attribution are welcome. Repositories linked from case studies carry their own licenses.
Consulting engagements
Engagement descriptions on the services pageare indicative. Scope, fees, confidentiality, and intellectual property for any engagement are set by a written agreement.
Governing law
These terms are governed by the laws of the State of Florida, United States.