{
 "@context": "https://schema.org",
 "@type": "Claim",
 "@id": "https://wulfkaal.github.io/positions/2026-08-08-218",
 "identifier": "kaal:position:2026-08-08-218",
 "additionalType": "https://wulfkaal.github.io/positions/schema.json#AffirmedPositionClaim",
 "name": "Streaming Algorithmic Trading Regulation And Stock Market Liquidity Evidence From China S  226831Bd25",
 "text": "Algorithmic Trading Regulation and Stock Market Liquidity reports that China's 2024 program-trading rules narrowed bid-ask spreads and reduced price impact in the A-share market. This adds a regulation-mediated spread mechanism to Kaal's observation that liquidity injection narrows spreads in traditional markets. The result is confined to China's A-share market and does not establish the same effect in crypto markets or from dual listing.",
 "author": {
  "@type": "Person",
  "name": "Wulf A. Kaal",
  "identifier": "https://orcid.org/0009-0008-7840-1847"
 },
 "datePublished": "2026-08-08",
 "dateModified": "2026-08-08",
 "creativeWorkStatus": "Affirmed",
 "responseType": "extension",
 "keywords": [
  "economics",
  "defi",
  "historical-response",
  "scholarly-literature",
  "crossref"
 ],
 "scope_conditions": [
  "The response is limited to the retrieved source proposition and mapped Kaal claim unless fuller source review supports a broader conclusion.",
  "External evidence level: abstract indexed.",
  "Mapping review tier: substantively reviewed abstract-level extension.",
  "Primary mapping confidence: 0.62.",
  "The primary mapping cleared the automated ambiguity test; substantive scope remains review-bound.",
  "Evidence is limited to an exact proposition in a Crossref-indexed abstract; full text was not reviewed.",
  "No relationship is treated as external endorsement, citation, causation, or validation of a broader Kaal claim.",
  "Using China's 2024 program-trading rules as a quasi-natural experiment, the source reports that restricting high-frequency trading narrowed bid-ask spreads and reduced price impact. This adds a regulation-mediated spread mechanism to Kaal's observation that liquidity injection narrows spreads in traditional markets, while the result is confined to China's A-share market and does not establish the same effect in crypto markets or from dual listing."
 ],
 "currentDebate": {
  "name": "Algorithmic Trading Regulation and Stock Market Liquidity: Evidence from China’s A-Share Market",
  "url": "https://doi.org/10.20944/preprints202607.1753.v1"
 },
 "extends": {
  "identifier": "kaal:claim:4033886-005",
  "url": "https://wulfkaal.github.io/claims/4033886-005",
  "citation": "Wulf A. Kaal, Samuel Evans, Hayley Howe, Digital Asset Valuation (2022). SSRN: https://ssrn.com/abstract=4033886",
  "paper": "Wulf A. Kaal, Samuel Evans, Hayley Howe, Digital Asset Valuation",
  "authors": [
   "Wulf A. Kaal"
  ],
  "year": "2022",
  "ssrn": "https://ssrn.com/abstract=4033886",
  "source_pdf_sha256": "52ba05b1292b1be4bfaf1ee5cf56b14fea9c196d870603e794d7ee316df129bd"
 },
 "isBasedOn": [
  {
   "@id": "https://wulfkaal.github.io/claims/4033886-005"
  },
  {
   "@type": "CreativeWork",
   "name": "Algorithmic Trading Regulation and Stock Market Liquidity: Evidence from China’s A-Share Market",
   "url": "https://doi.org/10.20944/preprints202607.1753.v1"
  }
 ],
 "batch_id": "kaal-review:2026-08-08:continuous-crossref-0026-all-0019-reviewed-v1",
 "review_provenance": "https://kaal-signal-desk.wulf577462.chatgpt.site/#review",
 "publicationStatus": "public",
 "recordTypeNote": "Dated commentary position extending a scholarly corpus claim. Not a verbatim claim extracted from the paper.",
 "isPartOf": {
  "@id": "https://wulfkaal.github.io/positions/index.json"
 },
 "version": "1.0",
 "canonical_url": "https://wulfkaal.github.io/positions/2026-08-08-218",
 "canonicalForm": "https://wulfkaal.github.io/positions/2026-08-08-218.md",
 "candidateId": "kaal:response-draft:2026-08-08:2fc6e300b87c623d43c2",
 "evidenceLevel": "abstract indexed",
 "reviewTier": "substantively reviewed abstract-level extension",
 "mappingConfidence": 0.62,
 "mappingAmbiguous": false,
 "mappingMethod": "complete-corpus source-proposition mechanism and scope adjudication",
 "mappingWhyRelevant": "Using China's 2024 program-trading rules as a quasi-natural experiment, the source reports that restricting high-frequency trading narrowed bid-ask spreads and reduced price impact. This adds a regulation-mediated spread mechanism to Kaal's observation that liquidity injection narrows spreads in traditional markets, while the result is confined to China's A-share market and does not establish the same effect in crypto markets or from dual listing.",
 "sourceProvenance": {
  "source": "crossref",
  "sourceRecordId": "10.20944/preprints202607.1753.v1",
  "queryId": "concept:dda0987aa1ad",
  "queryText": "algorithmic regulation",
  "canonicalUrl": "https://doi.org/10.20944/preprints202607.1753.v1",
  "doi": "10.20944/preprints202607.1753.v1",
  "externalIds": {
   "DOI": "10.20944/preprints202607.1753.v1",
   "Crossref": "10.20944/preprints202607.1753.v1"
  },
  "retrievedAt": "2026-08-09T23:18:46.218Z",
  "providerPage": 1,
  "rawObservationSha256": "5ccfb6d597109dfd275e1caddda0d9c1e9359843df7c36c41b0122c0b55c205a",
  "inputSnapshotSha256": "4d359e35df089bde16a89372e2e3ad2f62371f39cd142b2da688b323e6a3b042",
  "inputLine": 12645,
  "chunkId": "crossref-00001",
  "workId": "work:doi:10.20944/preprints202607.1753.v1",
  "workAuthors": [
   "Jun Wang",
   "Langlei Ji",
   "Shaobin Chen"
  ],
  "workPublishedAt": "2026-07-23",
  "identityKeys": [
   "doi:10.20944/preprints202607.1753.v1",
   "crossref:10.20944/preprints202607.1753.v1",
   "url:https://doi.org/10.20944/preprints202607.1753.v1",
   "title:2280f7637120d816c180314b",
   "proposition:0c5be40499ea0c9fb39a282c2d608bd36c81c346146c3ed9d38e6f57586a0eb5"
  ],
  "sourceProposition": "The regulation significantly improves liquidity by reducing bid-ask spreads and price impact.",
  "sourcePropositionSha256": "42d80afe9b635b6359975236b510f0ef2cf3e038d333ce74df0c289b9a0da5df",
  "sourcePropositionIndex": 1,
  "claimMappings": [
   {
    "claimId": "kaal:claim:4033886-005",
    "claimUrl": "https://wulfkaal.github.io/claims/4033886-005",
    "rank": 1,
    "confidence": 0.62,
    "method": "complete-corpus source-proposition mechanism and scope adjudication",
    "whyRelevant": "Using China's 2024 program-trading rules as a quasi-natural experiment, the source reports that restricting high-frequency trading narrowed bid-ask spreads and reduced price impact. This adds a regulation-mediated spread mechanism to Kaal's observation that liquidity injection narrows spreads in traditional markets, while the result is confined to China's A-share market and does not establish the same effect in crypto markets or from dual listing.",
    "ambiguous": false
   }
  ],
  "substantiveReview": {
   "disposition": "retained",
   "reviewVersion": "kaal-continuous-crossref-substantive-review-v1",
   "reviewedAt": "2026-08-10T09:27:27.239Z",
   "reviewer": "Codex continuous substantive reviewer",
   "rationale": "Using China's 2024 program-trading rules as a quasi-natural experiment, the source reports that restricting high-frequency trading narrowed bid-ask spreads and reduced price impact. This adds a regulation-mediated spread mechanism to Kaal's observation that liquidity injection narrows spreads in traditional markets, while the result is confined to China's A-share market and does not establish the same effect in crypto markets or from dual listing.",
   "limitations": [
    "Evidence is limited to an exact proposition in a Crossref-indexed abstract; full text was not reviewed.",
    "No relationship is treated as external endorsement, citation, causation, or validation of a broader Kaal claim.",
    "Using China's 2024 program-trading rules as a quasi-natural experiment, the source reports that restricting high-frequency trading narrowed bid-ask spreads and reduced price impact. This adds a regulation-mediated spread mechanism to Kaal's observation that liquidity injection narrows spreads in traditional markets, while the result is confined to China's A-share market and does not establish the same effect in crypto markets or from dual listing."
   ],
   "sourceIdentity": {
    "status": "verified",
    "source": "Crossref REST work record",
    "doi": "10.20944/preprints202607.1753.v1",
    "title": "Algorithmic Trading Regulation and Stock Market Liquidity: Evidence from China’s A-Share Market",
    "authors": [
     "Jun Wang",
     "Langlei Ji",
     "Shaobin Chen"
    ],
    "language": "unavailable",
    "publisher": "MDPI AG",
    "checkedAt": "2026-08-10T09:27:27.239Z",
    "responseBodySha256": "572e1dd7c332f8977ed46f0b248291e6857cc74dd340affa1b00bf15674b3252",
    "providerReceipt": {
     "path": "outputs/historical-backfill-2026-08-08-crossref/raw-receipts/crossref-026-00001.json",
     "sha256": "53adcd41e7871460caf53700096935aa360f4ad3d0323f97d07964af3111e94d",
     "byteLength": 3257086
    }
   },
   "independentRationale": "The exact proposition is present in the live Crossref abstract and the deposited reference list contains no Kaal-authored reference; the relationship is limited to the independently stated proposition.",
   "nonOverlap": {
    "candidateIdMatches": 0,
    "canonicalUrlMatches": 0,
    "propositionHashMatches": 0
   }
  }
 },
 "userAffirmation": "Automatically authorized under standing authority receipt kaal-standing-publication-authorization:2026-08-01:hourly-reviewed-batches, SHA-256 e2126054b58bb4e88db65c334ef4fc8ae78dcaadc63543c408133c4eefceb9b1, limited to this substantively reviewed batch and the unchanged 5,033 scholarly claims.",
 "sha256": "b28c2d6a3881accb8165899840a706f12dd42532d47807c019997f974daef7f2"
}
