kalshi

License

MIT + file LICENSE

Citation

Authors

Alejandro Hagan (author, maintainer)

R client for the Kalshi prediction market API.

Installation

# From source
devtools::install()

Quick Start

library(kalshi)
# Setup authentication (see Authentication section)
kalshi_auth_setup("kalshi-key.key")

# Check balance
get_balance()

# Get open markets
get_markets(status = "open", limit = 10)

# Get weather event results
get_event_results(series_ticker = "KXHIGHNY", date = "2026-02-07")

# Track price evolution
get_candlesticks(
  ticker = "KXHIGHNY-26FEB07-B26.5",
  series_ticker = "KXHIGHNY",
  start = "2026-02-06",
  end = "2026-02-08"
)

Authentication

Generate key pair:

generate_kalshi_keypair("kalshi-key.key")

Upload public key to Kalshi API Keys
Add Key ID to .Renviron:
```
KALSHI_API=your-key-id-here
```
Each session:
```
kalshi_auth_setup("kalshi-key.key")
```

Features

Market Data: Browse markets, series, events, orderbooks
Historical Analysis: Price history, settled markets, candlesticks
Portfolio: Balance, positions, orders, fills, settlements
Trading: Create, cancel, amend orders (single and batch)
Simplified Dates: Use "2026-02-07" instead of Unix timestamps

Documentation

qrtdown::preview_site()

Or see the docs/ folder.

License

MIT