Kalshi
Prediction markets, market outcomes and trading volumes
Prediction markets for real-world events.
Your information
Words describing the event, for example Fed rate decision.
More options
Maximum number of events, for example 5.
Include closed and settled events, for example true.
Example results
Prediction markets
About the Kalshi tool
Kalshi finds prediction events about a topic, ranked by total contracts traded.
Search markets takes a required topic and can include closed or settled events.
Built from kalshi.com. Last checked Sep 29, 2026.
Actions
Search markets
1 creditFind Kalshi prediction events about a topic, ranked by total contracts traded, with Yes prices, outcome volumes and status. Settled chances show the resolved result; closed outcomes have no live buy or sell prices. Older closed markets may lack 24-hour volume; very broad searches cover up to 1,000 matches.
What you provide
| Field | Type | Required | Description |
|---|---|---|---|
Topictopic | Text | Required | Words describing the event, for example Fed rate decision.Example: Fed rate decision |
Max Resultsmax_results | Number | Optional | Maximum number of events, for example 5.Example: 3 |
Include Closedinclude_closed | Yes or no | Optional | Include closed and settled events, for example true.Example: Yes |
What you get
| Field | Type | Description |
|---|---|---|
Eventsevents | List | Matching Kalshi events sorted by total trading volume, highest first. |
Linkevents[].link | Text | Example: https://kalshi.com/markets/kxratecutcount/number-of-rate-cuts/kxratecutcount-26… |
Titleevents[].title | Text | Example: Number of rate cuts in 2026? |
Volumeevents[].volume | Number | Example: 10041560 |
Categoryevents[].category | Text | Example: Economics |
Outcomesevents[].outcomes | List | |
Close Timeevents[].close_time | Text | Example: 2027-01-01T04:59:00Z |
Event Tickerevents[].event_ticker | Text | Example: KXRATECUTCOUNT-26DEC31 |
Example result
For Topic: Fed rate decision
{
"events": [
{
"link": "https://kalshi.com/markets/kxratecutcount/number-of-rate-cuts/kxratecutcount-26dec31",
"title": "Number of rate cuts in 2026?",
"volume": 10041560,
"category": "Economics",
"outcomes": [
{
"name": "Exactly 0 cuts",
"status": "open",
"volume": 2616604.51,
"volume_24h": 10560.05,
"market_ticker": "KXRATECUTCOUNT-26DEC31-T0",
"chance_percent": 94.8,
"yes_buy_price_usd": 0.948,
"yes_sell_price_usd": 0.947
},
{
"name": "Exactly 1 cut",
"status": "open",
"volume": 1140919.67,
"volume_24h": 8777.09,
"market_ticker": "KXRATECUTCOUNT-26DEC31-T1",
"chance_percent": 3,
"yes_buy_price_usd": 0.03,
"yes_sell_price_usd": 0.022
}
],
"close_time": "2027-01-01T04:59:00Z",
"event_ticker": "KXRATECUTCOUNT-26DEC31"
},
{
"link": "https://kalshi.com/markets/kxfeddecision/fed-meeting/kxfeddecision-26oct",
"title": "Fed decision in Oct 2026?",
"volume": 3762301,
"category": "Economics",
"outcomes": [
{
"name": "Hike 25bps",
"status": "open",
"volume": 1074767.53,
"volume_24h": 43993.15,
"market_ticker": "KXFEDDECISION-26OCT-H25",
"chance_percent": 70,
"yes_buy_price_usd": 0.7,
"yes_sell_price_usd": 0.69
},
{
"name": "Fed maintains rate",
"status": "open",
"volume": 1367286.18,
"volume_24h": 106259.29,
"market_ticker": "KXFEDDECISION-26OCT-H0",
"chance_percent": 30,
"yes_buy_price_usd": 0.3,
"yes_sell_price_usd": 0.29
}
],
"close_time": "2026-10-28T17:59:00Z",
"event_ticker": "KXFEDDECISION-26OCT"
}
]
}For developers
Call it from your code with one request. Change the values in input to run it on new data. To get an API key, open Developers at the bottom of Studio, turn on Developer mode and go to API keys.
curl 'https://api.fous.com/v1/query' \
--fail-with-body --silent --show-error --max-time 180 \
-H "Authorization: Bearer YOUR_API_KEY" \
-H 'Content-Type: application/json' \
--data-raw '{
"api": "@kalshi",
"visibility": "public",
"operation": "search_markets",
"version": 1,
"input": {
"topic": "Fed rate decision"
},
"response": {
"format": "json"
}
}'What you can do with it
- Compare trading volume across prediction events
- Track Yes prices and outcome volumes
- Review resolved results for settled events
Questions about Kalshi
Can I run it with my own inputs?
Yes. Change the inputs in Studio and press Run, or send new inputs from your code, or ask a connected AI assistant.
Can I call this Kalshi tool as an API?
Yes. Send a POST request to /v1/query with your Fous API key and the inputs, and get JSON back.
How much does it cost?
Each completed run costs 1 credit. Failed runs without a completed receipt are free; completed work can remain charged if delivery is interrupted. With pay as you go, a credit costs 1¢. Monthly plans cost less per credit.
Do I need a Kalshi account?
No. You only need a Fous account.
How current is the data?
Fous gets the data from kalshi.com when you run it. Some results are reused for up to 24 hours, and results that use your account or key are never reused. It was last verified on Sep 29, 2026.
Which prediction events match a topic?
Search markets finds events matching a topic and returns their titles, categories, outcomes, and status.
Which events have the highest trading volume?
Search markets sorts matching events by total trading volume, highest first.
What result did a settled event resolve to?
Search markets returns settled chances showing the resolved result.