I don't have specific salary data for a part-time Chief Technology Officer (CTO) at this moment. However, the compensation for part-time CTOs can vary widely based on factors like industry, company size, location, and the individual's experience.
Generally, part-time CTOs may earn anywhere from $100 to $300 per hour, or they may receive a fixed monthly retainer ranging from $5,000 to $20,000 depending on the responsibilities and time commitment.
For a more accurate figure tailored to your specific needs or location, you might consider checking industry-specific salary surveys or consulting with a recruitment agency that specializes in tech roles.