Historical back-test of 0x9f2f…2ca8. How a fixed-stake follower would have performed mirroring this whale's last 10 resolved Polymarket trades. All numbers below are derived from public on-chain activity — they describe what already happened, not a prediction.
Use the interactive simulator to change stake-per-bet ($50–$5k), trade count (3–25), and include open positions.
| Market | Side | Entry | Current | Status | Profit | ROI |
|---|---|---|---|---|---|---|
| UFC Fight Night: Bruno Silva vs. Édgar Cháirez (Flyweight, Prelims) | BUY | 0.47 | 0.00 | LOSS | $-500 | -100.0% |
| UFC Fight Night: Joanderson Brito vs. Jordan Leavitt (Featherweight, Prelims) | SELL | 0.39 | 0.00 | WIN | +$500 | +100.0% |
| UFC Fight Night: Yuneisy Duben vs. Jeisla Chaves (Women's Flyweight, Prelims) | BUY | 0.72 | 0.00 | LOSS | $-500 | -100.0% |
| UFC Fight Night: Joanderson Brito vs. Jordan Leavitt (Featherweight, Prelims) | BUY | 0.39 | 1.00 | WIN | +$782 | +156.4% |
| UFC Fight Night: Ariane Carnelossi vs. Ketlen Souza (Women's Strawweight, Prelims) | BUY | 0.76 | 0.00 | LOSS | $-500 | -100.0% |
| Roland Garros WTA: Maja Chwalinska vs Mirra Andreeva | BUY | 0.30 | 0.00 | LOSS | $-500 | -100.0% |
| Roland Garros WTA: Maja Chwalinska vs Mirra Andreeva | SELL | 0.82 | 1.00 | LOSS | $-110 | -22.0% |
| Will Charles Leclerc get pole position at the 2026 F1 Monaco Grand Prix? | BUY | 0.49 | 0.00 | LOSS | $-500 | -100.0% |
| Roland Garros ATP: Jakub Mensik vs Alexander Zverev | BUY | 0.76 | 0.00 | LOSS | $-500 | -100.0% |
| Spread: Atlanta Braves (-3.5) | BUY | 0.29 | 0.00 | LOSS | $-500 | -100.0% |
Disclaimer: Informational simulation based on publicly observed wallet activity. Past performance is not indicative of future results. Not investment, betting, or trading advice.
PolySharks.ai is a market-intelligence and analytics platform operated by 8eight8 LLC. The site is provided for informational and educational purposes only — it is not financial, legal, tax, or gambling advice. Past whale performance and historical data carry no guarantee of future outcomes. Trading prediction markets involves substantial risk of loss, including 100% of principal. Users are solely responsible for compliance with the laws of their local jurisdiction — prediction-market access is restricted or prohibited in some US states and countries; verify legality before depositing or trading on Polymarket or Kalshi. PolySharks does not custody funds and is not affiliated with Polymarket Inc. or Kalshi Inc. 18+ only (21+ in some jurisdictions).