Pokémon 30th Celebration presale prices: every product against MSRP, and what the last three launches did to prices

Eight days before launch every product sells above MSRP, the Elite Trainer Box at 3.7x its $49.99 list. Presale prices are already down 58% since July, the loose pack went from $136 to $17, and Pitch Black says chase singles lose another half after launch. The 25th anniversary set says the opposite about sealed held from MSRP for five years.