Yes = Buy
No = Short

This is a permanent market and its duration will be lengthened as long as it's allowed. The aim is to sell your stock when you believe your side has over-corrected and buy-in/short it again once it's over-corrected to the other side. Essentially, it's meant to function like a traditional stock market.

Read more: https://help.manifold.markets/manifold-101/why-would-you-sell-your-shares