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JewishNinja is a Polymarket wallet profile with $1.1M PnL, $1.6M total volume, a 100.0% win rate, and activity across 3 markets. This page summarizes the wallet's trading record, risk signal, market activity, and generated trader overview. Risk is shown as medium and should be interpreted as an analytics signal, not financial advice.
Trader Overview
JewishNinja Polymarket trader turned $1.78M into a $1.06M realized gain on just five trades — a perfect 100% win rate whale that looks deceptively simple until you see the 63% ROI hit.
JewishNinja ranks #105 on Polymarket. Classified as a whale trader operating across 3 markets with medium risk profile. The stats scream selective: 5 total trades, 100% win rate, yet underwater on ROI. This is the inverse of what degens chase.
The strategy is brutally niche. JewishNinja specializes in sports prediction markets—specifically combat sports and soccer—with a buy-heavy approach (4:1 buy-to-sell ratio). Entry price averaging 0.385 means buying low-probability outcomes when the market misprices risk. The edge isn't frequency or speed. It's conviction on picks nobody else has researched at that depth.
The proof is one nuclear trade: UFC 328 Strickland vs. Chimaev generated $1.023M PnL on a single position. That's 97% of total profits from one bet. Average trade size sits at $43.6K. Portfolio value now holds $403K in live positions across 3 open markets. Total Polymarket volume $1.57M. Win rate is flawless at 100%—all five closed trades hit positive. Yet the wallet shows -63.17% ROI on $1.77M deposits because the one massive win doesn't offset the capital deployed on the Barcelona 2026-05-10 position, which returned $88K on entry (profitable, but modest relative to stake).
What separates JewishNinja from 99% of Polymarket degens: ruthless market selection. Three markets in total. Most whales spray $50K across 40 different bets chasing volume. This trader entered five times over his entire history. Each one was sized like conviction. The combat sports expertise—UFC 328 especially—suggests deep insider knowledge or legitimate analytics edge most retail traders lack. Zero liquidation risk, medium risk classification, but the underwater ROI shows that even perfect win rates don't guarantee gains if you enter sizing ahead of conviction.
Currently holding three open positions. The Barcelona match (May 10, 2026) is a live draw. This is the grind of Polymarket: one blowout UFC trade funds the operation, but you're still deployed across longer-duration markets where edge decays.
Check this wallet on Predicts.guru or other Polymarket wallet analytics platforms to track how conviction traders operate differently than volume chasers—the real lesson here isn't the win rate, it's the discipline to sit out 99% of available markets.
whaleRisk: medium