Where do Zap-Kapow Comics Club prices come from?
Short answer: Zap-Kapow Comics Club prices are based on real-time eBay sales data, using actual completed sales of comic books rather than estimates or guide prices.
Prices Come From Real-Time eBay Sales
Zap-Kapow Comics Club prices are based on real-time eBay sales data, using actual completed sales of comic books rather than estimates or guide prices. Sales are averaged and the pricing data is updated every 3–4 days to reflect the latest market activity.
Issue values are real-time and include both raw and graded pricing.
Last updated: August 31, 2026