Market Analysis
Friday Floor Report: Kirby’s The Demon No. 1 Adds $210 (+600%) as Venom and Phoenix Keys Heat Up
By Steve Roop
•
August 14, 2026
• 7 min read
• 17 views
The Demon No. 1 leads the key-issue board with a +$210 move, while Venom and Phoenix firsts climb and several Spidey keys cool. All figures are real eBay solds.
Every Friday we track the biggest gainers and losers among key issues based on what copies actually sold for on eBay, not what sellers are asking. This week’s board skews vintage on the way up and copper/modern on the way down, with Jack Kirby, Venom, and Phoenix drawing fresh bids while several Spidey staples took a breather. Top Gainers Title Issue Publisher Current Prev Change The Amazing Spider-Man (1963) No. 300 Marvel $1270 $385 +$885 / +229.87% The X-Men (1963) No. 101 Marvel $890 $320 +$...
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