Entity

Japan

An East Asian island democracy and U.S. treaty ally; one of the world's largest economies.

As of 25 Oct 2026Last evidence 25 Oct 2026

What is happening now

  • Japan, South Korea Stocks Open Down Across the Board; Kospi Falls Nearly 3%, Nikkei 225 Drops Over 1%, Samsung Down Over 5%, Kioxia Falls Over 7%

    Reported event · first reported 19 Oct 2026 to 20 Oct 2026 · 2 claims · best-carried claim: 3 separate publishers

  • US bans BYD from air base in Japan over security concern, news report says

    Reported claim · first reported 23 Oct 2026 · 1 claim · best-carried claim: 2 separate publishers

  • Super Typhoon Champi: Hong Kong airlines cancel at least 12 Taiwan, Japan flights

    Reported claim · first reported 22 Oct 2026 · 1 claim · best-carried claim: 1 separate publisher

  • Asian Para Games: mayor sorry for ‘painful’ mistakes after playing wrong national anthems

    Reported claim · first reported 22 Oct 2026 · 1 claim · best-carried claim: 3 separate publishers

  • SoftBank, Nokia target 2027 for commercial AI-RAN trial in Japan

    Reported claim · first reported 20 Oct 2026 · 1 claim · best-carried claim: 2 separate publishers

All 9 events and claims involving Japan

What changed

  • Attention Steady: 246 mentions on 24 Oct 2026, against 252 on 3 Oct 2026 (-2%).
  • State Last recorded change: wire tier went from watch to flagged on 22 Oct 2026 (6 changes recorded since 13 Oct 2026).
  • Claims No claim first reported since 24 Oct 2026.
  • Market The cited market on “China x Japan military clash before 2027?” moved from 6% to 4% Yes since 9 Sept 2026 (the market’s own price).

How well we know this

6,473 documents · 494 publishers · 6% contain a typed assertion · last evidence 25 Oct 2026

  • Gap: assertion coverage 0.061: about 94% of mentions carry no typed assertion

In this snapshot’s daily coverage:

Reported alongside Japan

Names most often reported alongside it; bigger circles and heavier lines mean more shared documents. A dashed circle has no page of its own yet.

ChinaSouth KoreaAIUnited StatesIndiaTokyoFranceGermanyGold
  • China · 2,303 shared documents
  • South Korea · 2,200 shared documents
  • Asian · 1,528 shared documents · no page of its own yet
  • AI · 1,514 shared documents
  • United States · 1,264 shared documents
  • India · 1,120 shared documents
  • Tokyo · 1,087 shared documents
  • France · 1,001 shared documents
  • Germany · 990 shared documents
  • Gold · 812 shared documents

Story momentum

Steady

The word compares 246 mentions on 24 Oct 2026 with 252 on 3 Oct 2026 (-2%); a change of less than 8% either way reads Steady.

Daily mentions +81% from 9 Sept 2026 to 24 Oct 2026, between 39 and 267 a day

How often tracked coverage mentions Japan, day by day.

Market price, cited

4% Yes

priced 23 Oct 2026 · relation: named in the question

the market: 6% → 4% Yes (-2pts, from 9 Sept 2026 to 23 Oct 2026)

on “China x Japan military clash before 2027?”

The day’s closing price on this market, and how it moved. The number is the market’s own. Ask about Japan

“China x Japan military clash before 2027?”: the market's own price; the venue link is not stored with it

Coverage volume and market price are separate measures.

For developers

This page is also an object: GET https://sigb.ai/api/v1/node/e/ff2c97b8a74390da1fb6e30b returns the same record as sb.node.v1. Or call the get_entity MCP tool at https://sigb.ai/api/mcp with name japan.

{
  "name": "japan",
  "label": "Japan",
  "asOf": "2026-10-25",
  "mentions": 246,
  "domains": 79,
  "node": {
    "id": "sb:e/ff2c97b8a74390da1fb6e30b",
    "schema": "sb.node.v1",
    "rest": "https://sigb.ai/api/v1/node/e/ff2c97b8a74390da1fb6e30b",
    "knowledgeCutoff": "2026-10-25T14:53:56.625230+00:00",
    "snapshot": "this deploy's committed data files (commit not exposed in this runtime)"
  },
  "coverageTrend": "steady",
  "marketPrice": {
    "question": "China x Japan military clash before 2027?",
    "yesPct": 4,
    "pricedOn": "2026-10-23",
    "attribution": "the market's own price",
    "relation": "actor-in"
  },
  "history": {
    "since": "2026-10-13T13:19:04.891662+00:00",
    "changes": 6
  },
  "whereFrom": {
    "level": "counts",
    "label": "246 mentions across 79 domains",
    "children": [
      {
        "level": "reports",
        "label": "6 reports drawn on this page, each with its link",
        "children": {
          "count": 6,
          "unfold": "expand=+1"
        }
      },
      {
        "level": "domains",
        "label": "79 coverage domains",
        "children": {
          "count": 18,
          "unfold": "expand=+1"
        }
      },
      {
        "level": "not shown",
        "label": "The other 240 mentions",
        "edge": "counted daily from tracked coverage; single mentions are not listed one by one"
      }
    ]
  }
}

The figures on this page, as data. The tool returns the full entity record.

Events involving Japan

Most-reported first, then newest. Registered events come from the event record; reported events are groups of claims about one occurrence. Claims are grouped when they were first reported within 2 days of each other and either name at least 2 of the same people, places or things besides this one, or share at least 25% of their wording. Each claim keeps its own record.

  • Japan, South Korea Stocks Open Down Across the Board; Kospi Falls Nearly 3%, Nikkei 225 Drops Over 1%, Samsung Down Over 5%, Kioxia Falls Over 7%

    Reported event · first reported 19 Oct 2026 to 20 Oct 2026 · 2 claims · best-carried claim: 3 separate publishers

    Show the 2 individual claims
    • Japan, South Korea Stocks Open Down Across the Board; Kospi Falls Nearly 3%, Nikkei 225 Drops Over 1%, Samsung Down Over 5%, Kioxia Falls Over 7% · could not check · first reported 20 Oct 2026 · 3 separate publishers
    • Japan, South Korea Stocks Weaken in Early Trading; Kospi Drops Over 1%, Nikkei 225 Falls Over 1.7%, SoftBank Drops Over 4% · could not check · first reported 19 Oct 2026 · 1 separate publisher

  • US bans BYD from air base in Japan over security concern, news report says

    Reported claim · first reported 23 Oct 2026 · 1 claim · best-carried claim: 2 separate publishers

    single source

  • Super Typhoon Champi: Hong Kong airlines cancel at least 12 Taiwan, Japan flights

    Reported claim · first reported 22 Oct 2026 · 1 claim · best-carried claim: 1 separate publisher

    single source

  • Asian Para Games: mayor sorry for ‘painful’ mistakes after playing wrong national anthems

    Reported claim · first reported 22 Oct 2026 · 1 claim · best-carried claim: 3 separate publishers

    corroborated

  • SoftBank, Nokia target 2027 for commercial AI-RAN trial in Japan

    Reported claim · first reported 20 Oct 2026 · 1 claim · best-carried claim: 2 separate publishers

    reported by two

  • South Korea, Japan shares rise; Asian stocks climb as strong earnings buoy Wall Street

    Reported claim · first reported 20 Oct 2026 · 1 claim · best-carried claim: 1 separate publisher

    single source

  • Japan to provide C-UAS system to Royal Malaysian Navy

    Reported claim · first reported 20 Oct 2026 · 1 claim · best-carried claim: 2 separate publishers

    reported by two

  • Japan demands access to journalist detained in Russia as spy row persists

    Reported claim · first reported 20 Oct 2026 · 1 claim · best-carried claim: 1 separate publisher

    single source

  • ‘Once-in-a-lifetime chance’: Japan launches historic mission to collect rocks from Mars’s moon Phobos

    Reported claim · first reported 19 Oct 2026 · 1 claim · best-carried claim: 9 separate publishers

    corroborated

Walk the record from Japan

Open where it comes from, follow a claim or a related name, and use the trail to come back. Every step says what it is, how it stands and when. Machines read the same record.

Japan

Entity.

Evidence
6,473 documents · 494 separate publishers · a mention shows the name is in use, not that any claim about it is true
Standing
A name from our starting list; its record is kept up to date automatically from coverage
Time
first seen 6 Apr 2026, last seen 25 Oct 2026
Measured
6% of mentions say something specific about it; the rest only name it
As of
25 Oct 2026
20 links from here

Who it moves with: the 10 names are in the map above.

What is claimed about it (10)

  • Corroborated: Reported by three or more sources that did not copy each other.
  • Reported by two: Reported by two sources that did not copy each other.
  • Single source: Reported by one source so far.
  • Could not check: We could not count this claim's sources, so we do not say how well it is supported.

Situations it is named in (0)

none on file at this cutoff

For machines: this record as JSON

Watch this

What the coverage says

Recent reporting that names Japan, newest first. Open any row to follow it to the original article.

Evidence tiers: primary source = an official public record · attributed = a named outlet, receipt linked · lead = observed, not yet receipted.

Other markets materially about Japan

Markets whose question is about Japan or names it as a party. Each row says how the market relates to Japan and why. Prices are the market’s own, cited with the venue.

No other open market in the record is materially about Japan: none names it as the subject of its question or as a party in it.

1 more open market joined to Japan but not about it
  • 99% Yes

    “Will a 6.0+ magnitude earthquake occur in Japan this month?”

    Polymarket · priced 25 Oct 2026

    Relation: about a place in it · “japan” appears only as the place something happens (“in …”) · close date not stated in the question

What it connects to

Related records.

Pull a thread

Recorded history

  • 22 Oct 2026

    wire tier changed: watch to flagged

    Previous state held since 18 Oct 2026

  • 22 Oct 2026

    coverage state changed: insufficient_history to rising

    Previous state held since 18 Oct 2026

  • 18 Oct 2026

    wire tier changed: flagged to watch

    Previous state held since 16 Oct 2026

  • 18 Oct 2026

    coverage state changed: rising to insufficient_history

    Previous state held since 16 Oct 2026

  • 16 Oct 2026

    wire tier changed: watch to flagged

    Previous state held since 6 Oct 2026

  • 16 Oct 2026

    coverage state changed: insufficient_history to rising

    Previous state held since 6 Oct 2026

6 changes recorded since 13 Oct 2026, newest first.

Ask about JapanWatch Japan

Story momentum counts mentions in tracked coverage. Prices are the market’s own, cited with the venue. Informational only, not advice. As of 25 Oct 2026.