PHBench: the first public benchmark predicting Series A funding from Product Hunt launch signals. We analyzed 67,292 featured launches over 7 years, linked to 528 verified Series A rounds via Crunchbase. Champion model: 4.7x lift over random. Team size × community engagement is the strongest signal; B2B (API, Payments, Fintech) converts at 3x baseline; Rank #1 raises at 2.2x unranked. Dataset, code, and baselines open. Submit at phbench.com and subscribe for weekly high-probability launches.
