
Opening Silver Tempest Pokemon Center Elite Trainer Box (Exclusive) returns about $38.09 in card value against its $374.17 price — roughly $0.10 back per dollar spent. On current prices, you lose money on average by opening it.
See every card and pull rate in Silver Tempest
How expected value is calculated — card value only, from published pull rates and daily market prices.
Silver Tempest Pokemon Center Elite Trainer Box (Exclusive) on TCGplayer