JKIndex.io is a Solana-based trading-card market intelligence and grading prediction platform covering Pokémon, One Piece, and Riftbound card games. JKIndex.io's Twitter Score is 12 out of 1000 as of September 2026, ranking #81,952 among 486,860 tracked accounts.
JKIndex.io was founded by Grooovy and is currently in beta and active development. The platform brings together sold-listing search, market prices, graded-sales history, collection tracking, and a beta marketplace in a single collector-facing product. A standout feature called Before the Slab lets users predict PSA grading outcomes using simulated currency called $JKB, which carries no cash value. An image-based AI tool also reviews cards for grading readiness across surface, corners, edges, centering, and image quality before submission.
JKIndex.io was selected as a Top 25 winner of the 2026 Solana Frontier Hackathon by Colosseum and is backed by both Colosseum and Superteam Balkan. The account has accumulated 1,957 followers as of September 2026 since joining in 2025 and has published 4,111 posts. JKIndex.io has been mentioned by 15 accounts, with 42 total mentions.
Who follows JKIndex.io on X?
The accounts that follow JKIndex.io include 33 founders, 7 angel investors, 29 influencers and 1 VCs, among them DeeZe, Adam Cochran adamscochran.eth, DCF GOD, Alex Q. Xu, DFarmer and zac.eth.