Kalshi Scraper

Kalshi Prediction Market Data Scraper 📈

The Kalshi Scraper is a high-frequency data extraction tool designed to pull real-time order book data, event probabilities, and volume metrics from the world's first regulated prediction market.

Whether you are tracking 2028 Election odds, Fed Interest Rate hikes, or NCAA outcomes, this scraper provides the structured JSON needed for algorithmic trading and sentiment analysis.

🚀 Features

Real-time Probability Tracking: Extract yes_bid and yes_ask prices to determine the market-implied probability of real-world events.

Trending & New Markets: Automatically identify "Trending" high-volume events and "New" market listings before they hit peak liquidity.

Comprehensive Metadata: Access series_ticker, event_subtitle, and product_metadata for easy categorization of Politics, Economics, and Sports.

Volume & Liquidity Analysis: Track total_series_volume and individual market volume to gauge market depth and institutional interest.

Order Book Snapshots: Capture bid/ask spreads in dollar amounts (yes_bid_dollars) for precise financial modeling.

🎯 Use Cases

Political Forecasting: Build a live dashboard for the 2028 U.S. Presidential Election by scraping candidate-specific tickers like KXPRESPERSON-28-JVAN.

Arbitrage Discovery: Compare Kalshi's regulated odds against offshore platforms or traditional polling data to find alpha.

Risk Management: Monitor price_delta and total_market_count to manage exposure in volatile event contracts.

Sports Betting Analytics: Scrape NCAA or MLB event contracts to integrate prediction market sentiment into your betting models.

OUTPUT

Trending

{
  "series_ticker": "KXPRESPERSON",
  "series_title": "Pres person",
  "event_ticker": "KXPRESPERSON-28",
  "event_subtitle": "In 2028",
  "event_title": "2028 U.S. Presidential Election winner?",
  "category": "Elections",
  "product_metadata": {
    "automatic_featured_text": "true",
    "categories": [
      "Elections",
      "Politics"
    ],
    "custom_image_url": "https://kalshi-public-docs.s3.us-east-1.amazonaws.com/override_images/core/Election_US.webp",
    "promoted_milestone_id": "",
    "scope": null,
    "subcategories": {
      "Politics": [
        "US Elections"
      ]
    }
  },
  "product_metadata_derived": {},
  "total_series_volume": 16442257,
  "total_volume": 16442257,
  "total_market_count": 24,
  "active_market_count": 24,
  "markets": [
    {
      "ticker": "KXPRESPERSON-28-JVAN",
      "yes_subtitle": "J.D. Vance",
      "no_subtitle": "",
      "yes_bid": 21,
      "yes_ask": 22,
      "last_price": 22,
      "yes_bid_dollars": "0.2100",
      "yes_ask_dollars": "0.2200",
      "last_price_dollars": "0.2200",
      "price_delta": 0,
      "close_ts": "2029-11-07T15:00:00Z",
      "expected_expiration_ts": "2029-01-21T15:00:00Z",
      "open_ts": "2025-05-10T14:00:00Z",
      "rulebook_variables": {
        "image_link": "https://kalshi-public-docs.s3.us-east-1.amazonaws.com/market-images/KXPRESPERSON-28-JVAN.jpg?v=3fgnvqcj48"
      },
      "result": "",
      "custom_strike": {
        "Pres candidate": "J.D. Vance"
      },
      "score": 2099,
      "market_id": "",
      "title": "",
      "previous_price": 22,
      "previous_price_dollars": "0.2200",
      "volume": 2932116
    },
    
  ],
  "is_trending": false,
  "is_new": false,
  "is_closing": false,
  "is_price_delta": false,
  "search_score": 0,
  "fee_type": "quadratic",
  "fee_multiplier": 1
}

New

{
  "series_ticker": "KXNCAABBGAME",
  "series_title": "College Baseball Game",
  "event_ticker": "KXNCAABBGAME-26MAR061200MARCBD",
  "event_subtitle": "MAR vs CBD (Mar 6)",
  "event_title": "Maryland Eastern Shore vs Central Connecticut",
  "category": "Sports",
  "product_metadata": {
    "1v1_title": "Maryland Eastern Shore vs Central Connecticut",
    "categories": [
      "Sports"
    ],
    "competition": "College Baseball",
    "competition_scope": "Game",
    "league": "College Baseball",
    "metadata_structure": "team_game_regular_season",
    "promoted_milestone_id": "",
    "scope": "Game",
    "subcategories": {
      "Sports": [
        "Baseball"
      ]
    }
  },
  "product_metadata_derived": {
    "competition": "College Baseball",
    "general_title_super": "College Baseball",
    "live_title": "College Baseball",
    "live_title_competition_specific": "Game Winner",
    "order_panel_title": "Maryland Eastern Shore vs Central Connecticut",
    "trading_page_title": "Maryland Eastern Shore vs Central Connecticut",
    "trading_page_title_super": "College Baseball"
  },
  "total_series_volume": 5454179,
  "total_volume": 0,
  "total_market_count": 2,
  "active_market_count": 2,
  "markets": [
    {
      "ticker": "KXNCAABBGAME-26MAR061200MARCBD-CBD",
      "yes_subtitle": "Central Connecticut",
      "no_subtitle": "",
      "yes_bid": 2,
      "yes_ask": 98,
      "last_price": 0,
      "yes_bid_dollars": "0.0200",
      "yes_ask_dollars": "0.9800",
      "last_price_dollars": "0.0000",
      "price_delta": 0,
      "close_ts": "2026-03-08T17:00:00Z",
      "expected_expiration_ts": "2026-03-06T22:00:00Z",
      "open_ts": "2026-03-06T11:05:00Z",
      "rulebook_variables": {},
      "result": "",
      "custom_strike": {
        "baseball_team": "0a92f5af-7cfd-496a-9af7-0df452f7de2f"
      },
      "score": 104,
      "market_id": "",
      "title": "",
      "previous_price_dollars": "0.0000",
      "volume": 0
    }
  ],
  "is_trending": false,
  "is_new": false,
  "is_closing": false,
  "is_price_delta": false,
  "search_score": 1771012320,
  "fee_type": "quadratic",
  "fee_multiplier": 1,
  "tags": [
    "Baseball"
  ],
  "general_title_super": "College Baseball",
  "milestone_id": "b528993d-85ba-4e82-813c-b2ee25428816"
}

Markets

{
  "body": "Belle coupe qui met allongé bien les jambes, grand confort, beau tissu velours et merci à Catherine pour l accompagnement et la réactivité.",
  "collected_source": "",
  "created_at": "2026-01-24T16:29:33.867Z",
  "encoded_product_id": "WJjBvK5B",
  "product_in_store": true,
  "product_title": "Pantalon Freyja Velours Bleu",
  "product_url_with_utm": "https://as-ur.fr/products/pantalon-freyja-velours?jdgm_referral_location=widget&ref=judge.me&utm_campaign=judgeme-review-site&utm_medium=referral&utm_source=judgeme",
  "rating": 5,
  "reviewer_name": "Sandrine",
  "reply_content": null,
  "title": "Belle coupe qui met allongé bien les jambes,",
  "uuid": "e0d4d22a-68f8-4e0a-be6e-be53ba8723dd",
  "verified_buyer": false,
  "verified_purchase": ""
}

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