XY Steam Siege Sleeved Booster Pack

Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $39.13 market price that is roughly $27 cash or $31 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

XY Steam Siege Sleeved Booster Pack [Normal] has a TCGplayer market price of $39.13 as of 2026-10-02.

XY Steam Siege Sleeved Booster Pack is trending up: $39.13 today, up 12% in 30 days and under 1% below its all-time high of $39.45 (2026-09-24), and 3.8x its low of $10.38 (2024-02-08). TCGplayer market price as of 2026-10-02, tracked daily since 2024-02-08. Other windows: down 0.8% over 7 days, up 15.7% over 90 days, up 83.8% over a year. A 30-day rise this size usually follows a supply squeeze or a new format result; check the eBay book depth before buying in.