
Up or Down The Market Game
Can you predict better than a monkey?
Up or Down The Market Game launched on August 13, 2019 with 1 votes.
What it does
Each NYSE working day, choose 1 stock and predict whether its price goes up or down by the time when the market closes. First player to have 42 consecutive good guesses wins cash prize. Test your guesses against random guesses and machine learning algorithms.
Does a similar job
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Read the Tape – Wordle for daytrading, five blind S&P 500 charts a dayJul 2026 · readthetape.cc · ▲70Read the Tape gives players the same 5 S&P500 stock charts per day to predict. You select low, medium or high confidence and then call the chart UP or DOWN. It's a 1d chart which then resolves over 5 days. Alpha is scored against the Monkey Index, a basket of 11 random coin flips at low confidence which provides a tangible win/lose condition. We're two weeks in and some interesting data is being kicked up. Players like to call tops even though stonks go up- 60% of the 70 charts so far resolve higher, players' down calls have only been right 31% of the time. There's a full stats dive at…
- GWGuess whether a stock will rise or fall - and get instant feedback2012 · fakemoneyrealstocks.com · ▲35
Create your own prediction market in two minutes2022 · manifold.markets · ▲84Hi HN! Excited to show off the project we've been working on for the last couple months. We started with an idea for a crazy twist on prediction markets: You come up with a question for traders to predict, and then decide the outcome yourself. For example, you could create a market on “Will my date with [X] go well?” Anyone can bet on it, and the bets create a forecast on the chance your date goes well. After the date is over, you get to judge the result and reward the traders who picked the correct side. There are so many ways for this mechanism to go wrong: the creator of the market can be…



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