Compare prediction market tools by what you actually need to do.

When a tracker is enough

If you already have an exchange interface open and want to know what is printing, a tracker is the right purchase. Judge it on latency, on whether exits are filtered from entries, and on identity. The identity point matters most on Kalshi: an anonymous large trade tells you a market moved, not whose position changed. A tracker that uses “whale” and “trader” interchangeably is hiding that difference. Rivo's Kalshi whale tracker and Polymarket whale tracker show the trades that matter. Live shows trades from traders in profit with each trader's win rate and profit.

When you need research rather than more alerts

A leaderboard is a shortlist, not a decision. Before following anyone, you want the record behind the rank: how many trades settled, across how many distinct markets, at what entry prices, and how the record looks at a flat stake rather than the trader's bankroll. Profit rankings reward size; a flat-stake replay rewards accuracy. The methodology explains why Rivo grades traders on a confidence bound of their win rate rather than on dollars.

When testing is the whole point

A backtester is useful the moment you can state a rule: a venue, a price band, a size floor, a direction, a category. It should show the matched population, the settled denominator, the losses, and the sizing assumption, and it should validate out of sample. A tool that only shows selected winners is marketing. Rivo's backtester runs a holdout by default and keeps scoring a saved rule live as a paper strategy, so the historical number and the forward number sit next to each other.

When execution becomes the decision

Execution products divide into rule bots, which trade on conditions you write, and copy bots, which mirror an account. They are not interchangeable: a rule bot needs you to have a thesis; a copy bot needs you to have picked a trader. For either, the questions are the same. Does it run through your own account? Can you cap it per trade and per day? Is every action, including every skipped one, logged with a reason? Can you pause it in one click? Rivo's Kalshi Autopilot is a copy bot built to those answers, and it only runs on traders you have already followed and, ideally, run on paper.

How these comparisons are written

Rivo publishes this guide and is one of the products in it, so read it as a vendor's guide with its sources shown. Every feature and price attributed to another product links to the page it came from, with the date it was reviewed. Published capabilities are not independently measured latency, reliability or profitability results, for any product including ours. Where a vendor page does not establish something, the comparison says so rather than guessing. If you find an error, email [email protected] with the page and the source and it will be corrected.

Frequently asked questions