Nemesis

You deserve recourse.

Prediction markets make billions by deciding against their users. When they get it wrong, Nemesis helps you fight back.

How It Works

A guided intake takes around 3 minutes.

Your complaint is encrypted and reviewed before any sharing.

We pursue resolution on your behalf — through direct platform negotiation, arbitration, class action, or legal referral.

You may also opt in to a class action if one becomes available. Nemesis is free to users, and no action will take place without your express consent.

kalshi

Users report concerns about market resolution handling and payout consistency after the event timeline shifted.

12 complaints filed

polymarket

Multiple complaints received about delayed or cancelled withdrawal requests tied to account review workflows.

8 complaints filed