A problem people bring · solved

Get proof my calls were right

You can build proof of your judgment starting today. Forecast free on Metaculus or Good Judgment Open, or put about 1 dollar on World or Predict Fun so the market keeps score onchain. Track calibration, not wins, then start a forecasting club and show the record on your CV. Skip these: big stakes to prove a point.

  • 3 stops
  • 15 minutes, all in
  • 4 surprises
  • 1 live demo
Walk the routefirst, who knew?

Chapter 1

Who knew?

the bits nobody tells you
Oh! #1
A tiny stake turns opinions into a public record anyone can check.
Positions on World and Predict Fun are onchain.
Oh! #2
You can build a forecasting record with no money at all on Metaculus or Good Judgment Open.
Both score forecasts for free.
Oh! #3
Good forecasters are judged by calibration, not by being right once.
Scores like the Brier score reward honest probabilities.
Oh! #4
A public record can be shown to employers as proof of judgment.
Analyst and research roles value tracked forecasts.
People assume

You need big money to prove you are right.

Actually

About 1 dollar plus gas on World or Predict Fun, or free on no-money forecasting sites.

Chapter 2

The free route, step by step

tap a stop to do it now

3 stops, cheapest first

  1. Stop 1 · PredictPut a small stake behind an opinion$1+ capital5 minWorld (prediction market)
  2. Stop 2 · PredictForecast an event on a BNB Chain market$1+ capital + gas5 minPredict Fun
  3. Stop 3 · ReadRead the crowd's real-money odds on the newsFree to read5 minPolymarket

Three ways through

Pick your route

free, bold, or build the missing piece
  1. Start free tonight

    Forecast free first

    Build calibration with zero money before any stake.

    1. Read the crowd's real-money odds on the news
    2. Forecast weekly on Metaculus or Good Judgment Open.

    Cost Free.

  2. The bold play

    Let the market keep score

    Small onchain calls on Polymarket, World or Predict Fun create a record nobody can edit.

    1. Put a small stake behind an opinion
    2. Forecast an event on a BNB Chain market

    Cost About 1 dollar plus gas per call; you can lose it.

  3. Build it

    Build the forecaster CV

    Built by the House

    One page merging onchain and free-site scores.

    1. Own a working onchain app with your name on it
    2. Give or get a work reference that lives onchain

    Cost Build time.

    Build it yourselfwith Deployr Build it with the Housein the Workshop

Your version

Make this mine

Tell the Engine where you stand and it re-routes this answer for you. Three free a day, shared with Ask the Engine. Engine Pro members get unlimited.

What I already have

Past the basics

What’s possible

live today, or yours to build
  • Live today

    Join a free Metaculus tournament with a real leaderboard.

    How Sign up. Pick a tournament. Forecast weekly.

    Try it
  • Live today

    Make a first scored call for about 1 dollar.

    How Open World. Pick a market. Write down your probability first.

    Try it
  • Live today

    Forecast on BNB Chain markets.

    How Open Predict Fun. Stake small. Track your record.

    Try it
  • Possible to build

    A forecaster CV merging onchain positions and free-site scores. Nobody has built it yet; the House will build it with you.

    How Read positions. Import scores. Show calibration.

    Build it yourselfwith Deployr Build it with the Housein the Workshop

Project + project

Combos nobody marketed

A + B = something new
  • free Metaculus forecastssmall onchain calls

    Free practice builds calibration, tiny stakes add a public record anyone can verify.

    Why it works Metaculus scores for free; onchain positions are public.

  • Polymarket oddsyour Metaculus forecast

    See where you disagree with money and test who was right.

    Why it works Both publish resolved outcomes.

  • a forecasting cluba shared leaderboard

    Friends forecast the same questions weekly and compare Brier scores.

    Why it works Shared questions make scores comparable.

Chapter 3

Try it live

Do not take our word for it. World runs right here, so you can poke at the real thing before you commit to anything.

Wallet or sign-in will not open in here? Open World in a new tab ↗

Screening Room

Watch it first

More films →

Chapter 4

Where it matters most

  • analysts

    They want proof of judgment.

  • students in economics and politics

    They can build a record before a CV.

  • crypto researchers

    Calls on onchain markets are easy to verify.

Chapter 5 · Not built yet?

Build it

A forecaster profile page that merges onchain positions and free-site scores into one record.

Who could build it Analysts and hiring managers.

Build it yourselfwith Deployr Build it with the Housein the Workshop

For founders

Uses you never marketed

All projects →
Predict FunUnmarketed use

Forecast CVs that show calibration over time.

Connections

People to meet

Propose a bridge →
  • Metaculus

    Find tournaments and scoring rules.

    Say hello
  • Predict Fun

    Market and record questions.

    Say hello
  • World

    Markets and how scoring works.

    Say hello
  • curators

    Find forecasters to learn from.

    Go there

Propose a bridgetwo projects, one outcome neither could reach alone

Questions

How much do I need to start on Predict Fun or World?

About 1 dollar plus gas is enough for a first call on Predict Fun or World.

Is using Predict Fun legal where I live?

Prediction markets like Predict Fun are restricted in some countries, so check local law first.

Can I lose money on Predict Fun?

Yes. You can lose your whole stake on any Predict Fun or World call, so stake only small amounts.

Is my Predict Fun record public?

Yes. Predict Fun positions are onchain, so anyone can see your record.

The spark

Which call are you sure about right now that you have never written down?

Talk to the House about itBuild it with us

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