10% on gains, plus 5% on withdrawals: https://predictit.freshdesk.com/support/solutions/articles/5000516383-what-are-your-fees- https://predictit.freshdesk.com/

10% on gains, plus 5% on withdrawals: https://predictit.freshdesk.com/support/solutions/articles/5000516383-what-are-your-fees- https://predictit.freshdesk.com/support/solutions/articles/5... The volume may be too low to do much arbitrage.