Trading

You just pulled a Sparkling Eternal Frostwhale. Your heart is pounding. The chat lights up within seconds. “TRADE???” “I’ll give you 3 Mythics.” “Bro check my inventory.” Someone DMs you: “2 Mythics + 50 Night Shrimp. Final offer.” You accept. You feel good. You just got two Mythics for one fish, right? Three hours later, you’re scrolling the Discord trade channel. Someone just traded a normal Eternal Frostwhale — not even Sparkling — for six Mythics and a Relic. The buyer was thrilled. Your “generous” trader? He flipped your Sparkling Frostwhale for twelve Mythics before you finished your next fishing session. ...

You buy the Huge pet for 50M gems because the booth owner wants fast diamonds before the weekend update. It feels risky. The plaza chat is full of people screaming that prices are dead, half the booths are undercutting each other, and your friend says you should have waited. Two weeks later, the same pet is selling near 200M because the egg disappeared, supply froze, and everyone who panic-sold wants back in. The player who sold it to you is now in your DMs asking if you will take 120M. ...

You walk into the Trading Plaza with 25 million Gems. A seller offers you a Huge Robot. “Cosmic says it is worth 30M,” they tell you. “I am giving you a deal at 25M.” You check Cosmic on your phone. Cosmic says 18M. You show the seller. They say “that is outdated, the value went up yesterday.” They show you a screenshot of Cosmic from “last week” showing 28M. The screenshot is real. The value is not. ...

You walk into the Trading Plaza with 25 million Gems. A seller offers you a Huge Robot. “Cosmic says it is worth 30M,” they tell you. “I am giving you a deal at 25M.” You check Cosmic on your phone. Cosmic says 18M. You show the seller. They say “that is outdated, the value went up yesterday.” They show you a screenshot of Cosmic from “last week” showing 28M. The screenshot is real. The value is not. ...

The Plaza Is Not What You Think The Trading Plaza looks like a marketplace. It’s not. It’s a negotiation pit where information asymmetry determines who wins every trade. The seller knows more about their pet’s value than you do. The buyer knows more about their budget than the seller does. Every trade is a battle of who has better information. This guide isn’t about “what’s fair.” Fair trades don’t exist in the Plaza. Every trade benefits one side more than the other. The question is whether you’re that side. ...

Last updated: August 4, 2026. Trading values fluctuate constantly with each update. This guide focuses on trading mechanics, value tracking tools, and scam prevention — strategies that remain useful regardless of current prices. You’re standing in the Trading Plaza, scrolling through booths. Someone lists a Titanic for 10B gems. The chat explodes. Your fingers freeze. You know the RAP should be higher — way higher — but you can’t remember the exact number. You buy it anyway because ten other players are already running toward the booth. Ten minutes later, you check Cosmic Values. The pet is worth 50M. You overpaid by 200x because you couldn’t tell a Normal variant from a Rainbow, and you trusted booth hype over actual data. ...

Last updated: July 28, 2026. Covers Sailor Piece as of the Sea 2 update (April 2026) and the Anti-Magic update. Devil Fruit availability, pricing, and tier rankings reflect the current meta. The game receives updates every 1-2 weeks. The Dragon That Couldn’t Breathe Fire Three weeks. That’s how long Jay spent grinding for gems — skipping sleep, running the same boss route until his eyes burned, selling every decent drop just to fund more spins. Then it happened. The golden light. The Mythical banner. Dragon Fruit. ...