CM ClearMarket
SYSTEM: LIVE · PRICES: HOURLY REFRESH · COVERAGE: ~3,330 EVENTS / ~30,000 MARKETS · KALSHI + POLYMARKET

U.S. economy end-of-2026 outlook trades apart on the major desks

Polymarket 58% vs Kalshi 64%
record: CMSIG20260727DV01 | category: cross-venue-divergence | target: CM-EVT-ZRG5DFDMZ8 | published: 2026-07-27
4-bullet brief | narrative
  • Kalshi prices a positive economy outcome at 64%, Polymarket at 58%, a 6pp gap
  • Kalshi is the higher venue; $12K cumulative volume vs $29K on Polymarket
  • Softer liquidity on Kalshi may reflect a narrower, more optimistic user base skewing the consensus
  • Resolves on prevailing economic-condition classification at end of calendar year 2026
atomic briefs
[01] cross_venue_spread
liquidity poly_vol_24h: $1.2K kalshi_vol_24h: $452
evaluation

The model, prompt version, and confidence behind this wire are published below — so you can see how it was judged, and re-check it yourself.

judge_engine
llm_judge_cm_signal_v1
judge_verdict
wire_eligible
judge_confidence
0.84 / 1.00
prompt_template
cross_venue_v1 github · auditable
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.

internal
external
venue_a
polymarket · 0x50e3ee8f93a464d04ea2cea6efff45c902f43642aedbf43f7afdc899e10f71d8
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/us-economy-soft-landing-k63-p57/
JSONREST API for developershttps://clearmarket.fyi/signals/us-economy-soft-landing-k63-p57.json
MCPagentic AI tool call (Claude Desktop, Cursor, Continue)clearmarket.get_signal("us-economy-soft-landing-k63-p57")
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": "CMSIG20260727DV01",
  "published_at": "2026-07-27T11:16:57+00:00",
  "detection": "cross_venue_divergence",
  "category_tag": "CROSS_VENUE_DIVERGENCE",
  "secondary_tags": [],
  "pre_news_classification": "concurrent",
  "target_event_id": "CM-EVT-ZRG5DFDMZ8",
  "target_event_slug": "kxeconpath-26",
  "event_question": "State of the economy at the end of 2026?",
  "bullets": [
    "Kalshi prices a positive economy outcome at 64%, Polymarket at 58%, a 6pp gap",
    "Kalshi is the higher venue; $12K cumulative volume vs $29K on Polymarket",
    "Softer liquidity on Kalshi may reflect a narrower, more optimistic user base skewing the consensus",
    "Resolves on prevailing economic-condition classification at end of calendar year 2026"
  ],
  "atomic_claims": [
    {
      "type": "cross_venue_spread",
      "provenance": "CM cross-venue link (question_id CMX-534611296D); prices direct from venue APIs",
      "field_provenance": {
        "kalshi_price": {
          "tier": "direct",
          "method": "kalshi_api"
        },
        "poly_price": {
          "tier": "direct",
          "method": "polymarket_clob_api"
        },
        "divergence_pp": {
          "tier": "derived",
          "method": "arithmetic",
          "inputs": [
            "kalshi_price",
            "poly_price"
          ]
        }
      },
      "liquidity_context": {
        "poly_vol_24h_usd": 1241.367739,
        "kalshi_vol_24h_usd": 451.9
      }
    }
  ],
  "evaluation": {
    "judge_engine": "llm_judge_cm_signal_v1",
    "judge_verdict": "wire_eligible",
    "judge_confidence": 0.84,
    "prompt_template": "cross_venue_v1"
  },
  "citations": {
    "internal": {
      "cm_event": "/events/kxeconpath-26/",
      "related": []
    },
    "external": {
      "venue_a": null,
      "venue_b": "https://kalshi.com/markets/KXECONPATH-26-SOFT",
      "benchmark": null
    }
  },
  "sources": [
    {
      "label": "ClearMarket cross-venue record: State of the economy at the end of 2026?",
      "url": "https://clearmarket.fyi/compare/us-economy-soft-landing-y-2026",
      "retrieved_at": "2026-07-27T11:16:57+00:00"
    }
  ],
  "field_provenance": {
    "pm_data": "kalshi_api, polymarket_clob_api",
    "news_context": "retrieval_grounded",
    "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 CMSIG20260727DV01 published 2026-07-27T11:16:57+00:00 signature sha256-ee4c5bce3fa… ← underlying event all signals →