Guides

  • Polymarket whale leaderboardTop traders this week, live, and why the numbers read high
  • Kalshi taxes explainedWhat lands in Documents, why it is not a tax form, and what to do about it.
  • Polymarket taxes explainedNo 1099, plus the accounting trap that makes traders overpay.
  • Robinhood prediction market taxesWhy the annual statement is not a 1099, and what it leaves out.
  • Export your Kalshi trade historyWhere the CSV lives, what the columns mean, and what breaks.
  • Export your Polymarket historyThere is no export button. Here is what actually works.
  • Form 8949, column by columnWhat every box needs and where the number comes from.
  • The Whalefax calculatorWhat it does, how it works, and why it runs in your browser.
  • Is the leaderboard accurate?We rebuilt 12 wallets. All 12 profiles overstated the win rate.
  • Polymarket win rate explainedThe published figure is a ceiling. Here is how to get the real one.
  • Find a Polymarket wallet addressYours or anyone else’s, and the proxy-wallet trap.
  • Taxes on a losing yearProbably nothing owed. Still worth reporting, and here is why.
  • Cost basis above $1.00It looks impossible. Here is the arithmetic behind it.