Thestalos the Firestorm Monarch (Quarter Century Secret Rare) YU-GI-OH

Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $7.84 market price that is roughly $5.49 cash or $6.27 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

Thestalos the Firestorm Monarch (Quarter Century Secret Rare) [1st Edition] has a TCGplayer market price of $7.84 as of 2026-10-28.

Thestalos the Firestorm Monarch (Quarter Century Secret Rare) #RA03-EN143 is trending up: $7.84 today, up 14% in 30 days and at its highest since we began tracking (2026-09-16), set 2026-10-28, and near its low of $6.89 (2026-09-26). TCGplayer market price as of 2026-10-28, tracked daily since 2026-09-16. Other windows: up 5.4% over 7 days. A 30-day rise this size usually follows a supply squeeze or a new format result; check the eBay book depth before buying in.

TickerMint began tracking Yu-Gi-Oh prices on 2026-09-16, after Thestalos the Firestorm Monarch (Quarter Century Secret Rare) came out, so these are the highest and lowest prices since we began tracking (2026-09-16), not all-time records. In TickerMint's daily data (since September 2026), the TCGplayer market price for Thestalos the Firestorm Monarch (Quarter Century Secret Rare) [1st Edition] (all conditions) peaked at $7.84 (2026-10-28) and bottomed at $6.89 (2026-09-26).