Opening Journey Together Pokemon Center Elite Trainer Box (Exclusive) returns about $29.12 in card value against its $195.05 price — roughly $0.15 back per dollar spent. On current prices, you lose money on average by opening it.
See every card and pull rate in Journey Together
How expected value is calculated — card value only, from published pull rates and daily market prices.
Journey Together Pokemon Center Elite Trainer Box (Exclusive) on TCGplayer