CM ClearMarket
SYSTEM: LIVE · PRICES: HOURLY REFRESH · COVERAGE: ~3,860 EVENTS / ~39,200 MARKETS · KALSHI + POLYMARKET

Blue wave in 2026 stays heavily favored at 83 percent

Kalshi 83%
record: CMSIG2026102204 | category: momentum-repricing | target: CM-EVT-QK0HJYVMX2 | published: 2026-10-22
4-bullet brief | narrative
  • The Kalshi prediction market prices a blue wave in 2026 at 83%, a strongly favored outcome with under two weeks to election day.
  • Surging early voting in key Senate states and the Brookings analysis of Democratic policy upside are consistent with the high market probability.
  • A companion Kalshi contract (CM-EVT-T5VXKJT451) at 68% on Republicans controlling at least one chamber creates a logical tension: both cannot resolve YES.
  • Resolves via the Bureau of Labor Statistics as named resolution source, an unusual attribution, traders should verify the exact resolution mechanic before the close.
atomic briefs
[01] news_event
significance
surfaced in the daily Exa news-cycle scan; mechanically matched to an active kalshi market
story
A Brookings analysis highlights what Democratic gains in the 2026 midterms could mean for public policy, as early voting surges in key Senate battlegrounds.exa_search → Aaron Klein, Bill Baer, Darrell M. West, David G. Victor, Elaine Kamarck · as_of 2026-10-23T13:03:13+00:00
[mediated]
publisher
Aaron Klein, Bill Baer, Darrell M. West, David G. Victor, Elaine Kamarck
published_at
2026-10-22T20:00:00.000Z
[02] pm_response
interp
Kalshi prices the blue wave at 83%, sitting well above the companion Republican-chamber-control contract at 68%, flagging potential mispricing or definitional divergence.llm_judge_cm_signal_v1
[editorial]
evaluation

News-cycle wires publish on coverage, not editorial selection — the day’s top stories matched to the prediction markets pricing them, so nothing is cherry-picked.

judge_engine
none — deterministic news-cycle scan
judge_verdict
auto_published
judge_confidence
n/a — no judge gate (deterministic publishing)
prompt_template
news_cycle_v1 github · auditable
match_method
entity_slug_match (mechanical)
citation graph

Every wire traces back to the ClearMarket event it is built on, and out to each venue’s own market page — so any figure here can be verified at its source.

programmatic access · four surfaces, same payload

AI grounded search reads embedded JSON-LD in HTML. Developers query REST. Agentic AI clients (Claude Desktop, Cursor) call MCP tools. AI crawlers index via /llms.txt. Same canonical record at every surface.

HTMLbrowsers, AI grounded search, crawlers (contains embedded JSON-LD @type: Dataset)https://clearmarket.fyi/signals/blue-wave-2026-kalshi-83-2026-10-22/
JSONREST API for developershttps://clearmarket.fyi/signals/blue-wave-2026-kalshi-83-2026-10-22.json
MCPagentic AI tool call (Claude Desktop, Cursor, Continue)clearmarket.get_signal("blue-wave-2026-kalshi-83-2026-10-22")
AGENTAI crawler discovery index/llms.txt

PM data: platform APIs (hourly refresh). News context: retrieved with source citations. Editorial judgment: LLM judge with prompt template versioned per wire type. Per-claim provenance inline above; full per-field provenance map at the JSON endpoint under field_provenance.

raw JSON record · same payload returned by REST endpoint
{
  "$schema": "https://clearmarket.fyi/schema/signal/v1.json",
  "provenance_version": "0.2.0",
  "record_id": "CMSIG2026102204",
  "published_at": "2026-10-22T20:00:00.000Z",
  "detection": "news_cycle",
  "category_tag": "MOMENTUM_REPRICING",
  "secondary_tags": [],
  "pre_news_classification": "concurrent",
  "target_event_id": "CM-EVT-QK0HJYVMX2",
  "target_event_slug": "kxbluewavecombo-27feb",
  "event_question": "Will there be a blue wave in 2026?",
  "bullets": [
    "The Kalshi prediction market prices a blue wave in 2026 at 83%, a strongly favored outcome with under two weeks to election day.",
    "Surging early voting in key Senate states and the Brookings analysis of Democratic policy upside are consistent with the high market probability.",
    "A companion Kalshi contract (CM-EVT-T5VXKJT451) at 68% on Republicans controlling at least one chamber creates a logical tension: both cannot resolve YES.",
    "Resolves via the Bureau of Labor Statistics as named resolution source, an unusual attribution, traders should verify the exact resolution mechanic before the close."
  ],
  "atomic_claims": [
    {
      "type": "news_event",
      "field_provenance": {
        "story": {
          "tier": "mediated",
          "method": "exa_search",
          "source": "Aaron Klein, Bill Baer, Darrell M. West, David G. Victor, Elaine Kamarck",
          "source_url": "https://www.brookings.edu/articles/the-midterm-effect-what-the-2026-election-could-mean-for-public-policy/",
          "retrieved_at": "2026-10-23T13:03:13+00:00"
        }
      },
      "significance": {
        "threshold": 5,
        "threshold_unit": "rank",
        "passed": true,
        "reason": "surfaced in the daily Exa news-cycle scan; mechanically matched to an active kalshi market"
      },
      "story": "A Brookings analysis highlights what Democratic gains in the 2026 midterms could mean for public policy, as early voting surges in key Senate battlegrounds.",
      "publisher": "Aaron Klein, Bill Baer, Darrell M. West, David G. Victor, Elaine Kamarck",
      "published_at": "2026-10-22T20:00:00.000Z",
      "source_url": "https://www.brookings.edu/articles/the-midterm-effect-what-the-2026-election-could-mean-for-public-policy/"
    },
    {
      "type": "pm_response",
      "field_provenance": {
        "notes": {
          "tier": "editorial",
          "method": "llm_judge_cm_signal_v1"
        }
      },
      "notes": "Kalshi prices the blue wave at 83%, sitting well above the companion Republican-chamber-control contract at 68%, flagging potential mispricing or definitional divergence."
    }
  ],
  "evaluation": {
    "judge_engine": "none — deterministic news-cycle scan",
    "judge_verdict": "auto_published",
    "judge_confidence": null,
    "prompt_template": "news_cycle_v1"
  },
  "citations": {
    "internal": {
      "cm_event": "/events/kxbluewavecombo-27feb/",
      "related": []
    },
    "external": {
      "venue_a": "https://kalshi.com/markets/KXBLUEWAVECOMBO-27FEB",
      "venue_b": null,
      "benchmark": null
    }
  },
  "sources": [
    {
      "label": "Aaron Klein, Bill Baer, Darrell M. West, David G. Victor, Elaine Kamarck: The midterm effect: What the 2026 election could mean for public polic",
      "url": "https://www.brookings.edu/articles/the-midterm-effect-what-the-2026-election-could-mean-for-public-policy/",
      "published_at": "2026-10-22T20:00:00.000Z",
      "retrieved_at": "2026-10-23T13:03:13+00:00"
    }
  ],
  "field_provenance": {
    "pm_data": "kalshi_api",
    "news_context": "exa_search",
    "editorial_judgment": "cm_signal_llm_judge"
  }
}
PROVENANCE PROTOCOL v0.2 · [direct] venue api · [mediated] grounded web fetch + source url · [derived] computed from listed inputs · [editorial] versioned llm judgment · full spec /schema/provenance/v1
record CMSIG2026102204 published 2026-10-22T20:00:00.000Z signature sha256-32fa31cdc08… ← underlying event all signals →