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第5回 座談会 — 規制当局・清算機関が参加、ガイドライン策定を開始5th Roundtable — Regulator and Clearing Bodies Join; Guideline Drafting Begins

第5回Round 5 2025-10-21 Members PublishedPublished

対面In personGS Tokyo officeGS Tokyo office

総合サマリーが「重要転換点」と位置づける回。金融庁・JASDEC・JPX/JSCC・JPX/OSE が加わり、参加組織が業界全体に拡大した。初期ガイドラインのテーマを「FIFO・1円問題・平均単価」に設定し、PSMS の長期改修を待たずガイドラインを先行させる方針を決めた。Recorded in the consolidated summary as a turning point. The FSA, JASDEC, JPX/JSCC and JPX/OSE joined, extending participation across the whole industry. The initial guideline scope was set as FIFO, the one-yen issue and average unit price, with agreement to advance the guidelines ahead of any long-term PSMS redevelopment.

参加人数Participants

未確定Not yet established

議題Topics

  • 決済金額の微小差異(1円問題)Micro-differences in settlement amounts (the one-yen issue)
  • FIFO/クローズアウトロジックの標準化Standardization of FIFO and close-out logic
  • 注文伝票の新規/決済区分Open/close designation on order tickets
  • PSMS(保振システム)と制度課題PSMS (JASDEC system) and related regulatory issues

決定事項Decisions

  • 初期ガイドラインのテーマを「FIFO・1円問題・平均単価」に設定Initial guideline scope set as FIFO, the one-yen issue and average unit price
  • PSMSの長期改修を待たずガイドラインを先行させるGuidelines to proceed without waiting for long-term PSMS redevelopment
  • OSE準則第9条の事後付与可能性を確認Confirmed the possibility of retrospective designation under Article 9 of the OSE rules

未解決の課題Open issues

  • 許容差異の水準設定Setting the tolerance threshold for differences
  • FIFOロジックの絞り込みNarrowing the FIFO logic
  • 新規/決済区分廃止時の法定帳簿への影響Impact on statutory books if the open/close designation is removed
由来(provenance)Provenance

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