Free · No signup · No API key

Public prediction-market datasets.

We poll Kalshi, Polymarket, and Manifold around the clock and run paper-trading bots against the data. Here's all of it as CSVs you can download with one click — use it for backtesting, research, or curiosity. No rate limit, no auth wall.

Price snapshots

/api/data/snapshots.csv

Time-series bid/ask/last_price/volume per ticker. Currently 30-hour rolling window (sized for live sparklines). Longer retention coming with the backtester feature.

286,783 rows Since 2026-05-25 12:21 UTC

Paper trades

/api/data/paper-trades.csv

Every paper bet placed by every bot. Side, entry/exit price, sizing, outcome, P&L cents — joined to the strategy slug + name. Perfect for "did this rule actually work?" analyses.

1,045 rows Full history · never trimmed

Strategy configs

/api/data/strategies.csv

The 18 house strategies — name, description, category, unlock price, and the full config_json showing every filter, entry rule, exit condition, and sizing. Reproducible.

18 rows Open-source rules

Notes & caveats

Quick examples

Common one-liners to get started:

# grab the latest Kalshi markets
curl -O https://tinycorp.ai/api/data/kalshi-markets.csv

# stream into pandas
python -c "import pandas as pd; df = pd.read_csv('https://tinycorp.ai/api/data/paper-trades.csv'); print(df.groupby('strategy_slug').pnl_cents.sum().sort_values())"

# count Polymarket categories
curl -s https://tinycorp.ai/api/data/polymarket-markets.csv | cut -d, -f3 | sort | uniq -c | sort -nr