{"schema":"sanctity-signal/0.2","record_type":"signal","id":"asia-ai-circuit-breakers-e076","domain":"capital","drop_id":"signal-e076","occurred_at":"2026-11-06","how_to_use":"This is a structured record of one real-world action and its competing interpretations, from Sanctity Signal. To build content from it (a reel script, a blog, a thread): open on the hook, ground the viewer with plain and observed, walk the dated trail, present the interpretations as live tension between named readings, and close on the before/after shift and what_to_watch. Hard rules: items under established are fact; items under unknown are never presented as fact; the evidence status (verified or reported) is stated, not dropped; sources are cited.","actor":"The Korea Exchange and Taiwan's stock market","action_type":"a first-level circuit breaker halting Korean stock trading for 20 minutes, 2 sidecars, and more than 240 Taiwanese stocks locked at their daily price limits","observed":"Friday November 6, 2026, Seoul. The Kospi opened at 5,263.26, down 120.54 points or 2.24%. At 9:03 a.m. Korean time a first-level circuit breaker fired as the index hit 4,924.61, down 459.19 points or 8.52%; one account puts the trigger at 4,911.91, down 471.89 points or 8.76%. Trading was suspended 20 minutes, with only cancellation orders accepted, then 10 minutes of single-price trading. It was the 11th first-level circuit breaker on the main board this year and the 17th in its history; the previous one was October 15. Before 2026 there had been 6 in all. A Kosdaq sell-side sidecar fired about 9:06, halting program sell orders 5 minutes, with Kosdaq 150 futures down 87.60 points or 7.84% to 1,029.00. A second Kospi sidecar fired at 9:34. At 10:15 a.m. the Kospi stood at 4,968.55, down 7.71%, the Kosdaq at 635.68, down 6.30%. Samsung Electronics fell more than 9% and SK Hynix more than 11%. The Kospi closed November 5 down 5.28% at 5,383.80, against a record close of 9,114.55 on June 22. At 10:30 a.m. the 4 officials Korea calls the F4, finance minister Lee Hyoung-il, Bank of Korea governor Shin Hyun-song, Financial Services Commission chairman Lee Eog-won and Financial Supervisory Service governor Lee Chan-jin, met in closed session for the second straight day on foreign selling and volatility. Taipei. The Taiwan weighted index gapped open at 38,915.76 and fell to 37,837.05, down 3,737.67 points or nearly 9%, the largest single-day intraday point fall on record, beating 2,953.71 points on July 17. TSMC opened locked limit-down at NT$2,020, down NT$220, shedding about NT$5.7 trillion of market value. MediaTek, Delta Electronics, ASE Technology, Yageo and Nanya Technology also locked limit-down, and at one point more than 240 main-board stocks were limit-down. The New Taiwan dollar fell through NT$33 to NT$33.04. Taipei closed November 5 at 41,574.72, down 1,374.19 points or 3.2%, a sixth straight loss. New York, November 5: the Nasdaq Composite closed 24,315.00, down 5.52%, its steepest fall since April 2025 and a correction; the S&P 500 closed 7,353.73, down 4.36%; the Dow closed 51,523.06, down 1,833.06 points or 3.44%; the VIX closed 28.18, up 69.66%. Micron fell 17.46%, AMD 17.26%, Arm 13.08%, Broadcom 10.43%, Nvidia 9.26%, and the Philadelphia semiconductor index 12.25%. Not established: Asian closing levels, the size of foreign net selling, and whether any policy has changed.","corrections":[],"evidence":{"status":"reported","note":"Reported, not verified. The Korea Exchange and Taiwan Stock Exchange sites both refused us, so we read no exchange notice. Figures and timestamps come from 4 Korean and Taiwanese outlets that agree. Asian markets were still trading when we filed, so nothing here is a close. The Korea Exchange daily statistics for November 6 would confirm the halt and the levels.","sources":[{"role":"primary","label":"Korea JoongAng Daily: Kospi plunges below 5,000 after US midterms, Nov 6, 2026","url":"https://www.koreajoongangdaily.com/business/korean-market-hit-by-black-friday-as-kospi-plunges-below-5000-after-us-midterms/12959264"},{"role":"corrob","label":"JKN English: KOSPI circuit breaker, 20-minute halt, KOSDAQ sidecar, Nov 6, 2026","url":"https://news.jkn.co.kr/editions/english/post/1073978"},{"role":"corrob","label":"Bloomingbit: Kospi tumbles, prompting emergency F4 meeting for a second day, Nov 6, 2026","url":"https://en.bloomingbit.io/feed/news/123788"},{"role":"corrob","label":"BigGo Finance: Taiwan stocks plunge a record 3,737 points intraday, TSMC limit-down, Nov 6, 2026","url":"https://finance.biggo.com/news/fbc5f13d-0762-448d-9dfb-516bd9e8ea3d"},{"role":"corrob","label":"Taipei Times: Shares plunge 3.2 percent, extending losses, Nov 6, 2026","url":"https://www.taipeitimes.com/News/biz/archives/2026/11/06/2003867229"},{"role":"corrob","label":"CappNotes: Closing Look, Thursday November 5, 2026, index and stock closes","url":"https://cappnotes.substack.com/p/closing-look-thursday-november-5"}]},"strength":{"cost":"Low","commitment":"Low","reversibility":"High","persistence":"Days","rationale":"Score this honestly low. A market move costs its participants a great deal but commits nobody: no company changed a plan, no regulator wrote a rule, and prices that fall 9% in 10 minutes can rise 1,429 points off the low in the next hour, as Taipei's did. The halts and price limits are automatic, not chosen. What lifts this above noise is the machinery itself: a circuit breaker is a threshold somebody set in advance, and Korea has now crossed it 11 times in one year against 6 in all the years before. Persistence is days unless policy follows."},"shift":{"prior":"The AI selloff was an American equity story, absorbed by deep markets.","action":"Friday November 6, 2026, Seoul. The Kospi opened at 5,263.26, down 120.54 points or 2.24%. At 9:03 a.m. Korean time a first-level circuit breaker fired as the index hit 4,924.61, down 459.19 points or 8.52%; one account puts the trigger at 4,911.91, down 471.89 points or 8.76%. Trading was suspended 20 minutes, with only cancellation orders accepted, then 10 minutes of single-price trading. It was the 11th first-level circuit breaker on the main board this year and the 17th in its history; the previous one was October 15. Before 2026 there had been 6 in all. A Kosdaq sell-side sidecar fired about 9:06, halting program sell orders 5 minutes, with Kosdaq 150 futures down 87.60 points or 7.84% to 1,029.00. A second Kospi sidecar fired at 9:34. At 10:15 a.m. the Kospi stood at 4,968.55, down 7.71%, the Kosdaq at 635.68, down 6.30%. Samsung Electronics fell more than 9% and SK Hynix more than 11%. The Kospi closed November 5 down 5.28% at 5,383.80, against a record close of 9,114.55 on June 22. At 10:30 a.m. the 4 officials Korea calls the F4, finance minister Lee Hyoung-il, Bank of Korea governor Shin Hyun-song, Financial Services Commission chairman Lee Eog-won and Financial Supervisory Service governor Lee Chan-jin, met in closed session for the second straight day on foreign selling and volatility. Taipei. The Taiwan weighted index gapped open at 38,915.76 and fell to 37,837.05, down 3,737.67 points or nearly 9%, the largest single-day intraday point fall on record, beating 2,953.71 points on July 17. TSMC opened locked limit-down at NT$2,020, down NT$220, shedding about NT$5.7 trillion of market value. MediaTek, Delta Electronics, ASE Technology, Yageo and Nanya Technology also locked limit-down, and at one point more than 240 main-board stocks were limit-down. The New Taiwan dollar fell through NT$33 to NT$33.04. Taipei closed November 5 at 41,574.72, down 1,374.19 points or 3.2%, a sixth straight loss. New York, November 5: the Nasdaq Composite closed 24,315.00, down 5.52%, its steepest fall since April 2025 and a correction; the S&P 500 closed 7,353.73, down 4.36%; the Dow closed 51,523.06, down 1,833.06 points or 3.44%; the VIX closed 28.18, up 69.66%. Micron fell 17.46%, AMD 17.26%, Arm 13.08%, Broadcom 10.43%, Nvidia 9.26%, and the Philadelphia semiconductor index 12.25%. Not established: Asian closing levels, the size of foreign net selling, and whether any policy has changed.","update":"It now trips the safety machinery of the exchanges that make the chips."},"inference":{"established":["Korean trading halted 20 minutes at 9:03 a.m., the 11th halt this year.","Taiwan's 3,737-point intraday fall beat its July record of 2,953 points.","Wall Street closed on November 5 with the Nasdaq down 5.52%."],"unknown":["Where any of these indexes closed. Asian sessions were still open.","That AI rules will tighten. The vote is read, not legislated.","That AI spending falls. No company changed a budget."]},"narrative":{"hook":"South Korea halted stock trading and Taiwan set a record fall, on AI fears.","plain":"On November 6 a circuit breaker stopped Korean trading for 20 minutes, 3 minutes after the open. Taiwan's index fell a record 3,737 points intraday and TSMC opened at its price limit.","story":["Circuit breakers are rare by design. Korea's fired for the 11th time this year, against 6 in all the years before 2026. The cause named in Seoul and in Taipei is a political one: a United States election result that investors read as tighter rules on AI and on data centres."],"trail":[{"d":"OCT 15","t":"Korea's previous first-level circuit breaker fires, the 10th of the year."},{"d":"NOV 3","t":"Voters in 10 states decide 41 data centre measures, 28 of which would limit data centres. Edition 072's card."},{"d":"NOV 4","t":"Democrats take both chambers of the United States Congress. Korea's F4 officials meet the next morning on the result."},{"d":"NOV 5","t":"New York falls: Nasdaq down 5.52%, semiconductor index down 12.25%, VIX up 69.66%. Seoul closes down 5.28%, Taipei down 3.2%."},{"d":"NOV 6","t":"Korea halts trading at 9:03 a.m., 2 sidecars fire, Taiwan sets a record intraday point fall, TSMC opens limit-down. The F4 meet again at 10:30 a.m."},{"d":"Reacts","r":true,"t":"The Korea Exchange and Taiwan Stock Exchange, which own the halts; Korea's F4; Samsung, SK Hynix, TSMC and MediaTek; Nvidia, whose suppliers these are; SoftBank; the incoming United States Congress."}],"glossary":[{"term":"Circuit breaker","def":"A rule stopping all trading on an exchange when the main index falls by a set amount. Korea's first level fires at 8% and halts trading 20 minutes."},{"term":"Sidecar","def":"A narrower brake. When index futures move sharply the exchange suspends computer-driven sell orders for 5 minutes, leaving ordinary orders running."},{"term":"Limit-down","def":"The lowest price a share may trade at in one day, 10% below the previous close in Taiwan. A stock locked there has sellers and no buyers."}]},"judgment":{"prompt":"Which explanation do you believe?","interpretations":[{"id":"a","label":"Policy risk repriced AI","text":"An election outcome, not earnings, moved every AI-linked market at once.","abstain":false},{"id":"b","label":"A crowded trade unwinding","text":"Positioning was extreme. Any trigger would have produced these moves.","abstain":false},{"id":"c","label":"Deliberate de-risking by funds","text":"Foreign money sold Korea and Taiwan first, where AI weight is highest.","abstain":false},{"id":"d","label":"Ordinary correction mechanics","text":"Price limits and halts exist for days like this. They worked.","abstain":false},{"id":"e","label":"Too early to call.","text":"The evidence cannot yet separate these.","abstain":true}],"distribution":{"status":"held back until you have made your call","calls":null}},"story_thread":null,"what_to_watch":[{"linked_interpretation":"a","direction":"strengthens","observable_event":"A United States committee or agency opens an AI or data centre measure the incoming Congress backs, or Korea or Taiwan names AI policy risk in an official market statement, by March 31, 2027.","window_end":"2027-03-31","state":"unresolved"},{"linked_interpretation":"a","direction":"weakens","observable_event":"Both the Kospi and the Taiwan weighted index regain their November 4 levels with no AI bill advancing in Congress, by February 28, 2027.","window_end":"2027-02-28","state":"unresolved"},{"linked_interpretation":"b","direction":"strengthens","observable_event":"Korea triggers a 12th first-level circuit breaker, or more than 200 Taiwanese stocks lock limit-down again, by January 31, 2027.","window_end":"2027-01-31","state":"unresolved"}]}