28 lines
1.8 KiB
Markdown
28 lines
1.8 KiB
Markdown
## What this is
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This is a set of libraries and a command line interface that fetches probabilities/forecasts from prediction markets and forecasting platforms. These forecasts are then hosted on airtable, and used to power a search engine for probabilities.
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Eventually, this could become more elaborate; for example, forecasts could be ranked according to their quality. For now, a demo can be found [here](https://www.loki.red/metaforecasts/) (try searching "Trump", "China" or "Semiconductors"), and the database can be perused [here](https://www.loki.red/metaforecasts/data/).
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## How to run
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### 1. Download this repository
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``git clone https://github.com/QURIresearch/metaforecasts``
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### 2. Enter your own cookies
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Private session cookies are necessary to query CSET-foretell and Good Judgment Open. You can get these cookies by creating an account in said platforms and then making and inspecting a request (e.g., by making a prediction). After doing this, you should create a `src/privatekeys.json`, in the same format as `src/privatekeys_example.json`
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### 3. Actually run
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From the top level directory, enter: `npm run start`
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## Various notes
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- Right now, I'm fetching only a couple of common properties, such as the title, url, platform, whether a question is binary (yes/no), its percentage, and the number of forecasts. However, the code contains more fields commented out, such as trade volume, liquidity, etc.
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- A note as to quality: Good Judgment Open ~ Metaculus > CSET > PredictIt ~> Polymarket >> Elicit > Omen. Further, prediction markets rarely go above 95% or below 5%.
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- For elicit and metaculus, this library currently filters questions with <10 predictions.
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- Omen *does* have very few active predictions at the moment; this is not a mistake.
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