{
  "series_id": "drv.theoretical_swap",
  "label": "理論スワップポイント（金利差から算出）",
  "layer": 2,
  "source_class": "DERIVED",
  "unit": "円 / 1万通貨 / 1日",
  "cadence": "daily",
  "algorithm": "theoretical-swap@1",
  "code_sha256": "417697cfe1b31c077da317a8f4373bacb62dbaf5787c9f80fe38d27495135e99",
  "code_commit": null,
  "rule_id": "fx.theoretical_swap@1",
  "definition": "1万通貨を1日持ち越したとき、日米金利差だけで生じる理論上の損益。計算式は 1万通貨 × USD/JPY × 金利差 ÷ 年基準日数。",
  "notional": 10000,
  "day_basis_note": "年基準は360日と365日の両方を出す。ドルは360日、円は365日を基準とするのが慣行だが、業者ごとに扱いが違う。片方だけを出すと比較の基準が曖昧になる。",
  "tenor_note": "実務のロールは翌日物だが、公的に日次で取れる最短は米が1か月物、円が1年物である。年限が揃わない組み合わせも出すが、揃っていないことを明示する。1年物どうしの比較が最も素直である。",
  "not_broker_swap": "業者が提示するスワップは扱わない。各社が裁量で決める価格であり、公的な公表物ではない。建玉数量・口座区分・キャンペーンで変わり、予告なく変更される。本系列は理論値のみを出し、実際に受け取れる額との比較は利用者が行う。差があること自体は当然であり、業者の収益源である。当所はその差を不当とも妥当とも述べない。",
  "not_a_recommendation": "スワップ狙いの取引を推奨しない。理論値が正であることは、その取引が有利であることを意味しない。為替変動は理論スワップの何十倍にもなりうる（会則第12条）。",
  "settlement_note": "スワップは実日数で発生する。土日分を水曜にまとめて付与するのは業者の運用であって金利の性質ではない。本系列は1日あたりを出し、何日分かは利用者が掛ける。",
  "inputs": [
    {
      "publisher": "Federal Reserve",
      "release": "H.15",
      "source_class": "OFFICIAL_PUBLIC"
    },
    {
      "publisher": "財務省",
      "release": "国債金利情報",
      "source_class": "OFFICIAL_PUBLIC"
    },
    {
      "series": "obs.usdjpy.close.daily",
      "source_class": "MARKET_OBSERVATION"
    }
  ],
  "latest": {
    "record_id": "drv.theoretical_swap:2026-08-21:r0:343fab9b2cf3",
    "observation_date": "2026-08-21",
    "observation_precision": "date",
    "publisher_release_at": "2026-08-21T16:15:00-04:00",
    "release_at_method": "rule_derived",
    "release_rule_id": "drv.gap.jp_us.binding_us",
    "release_lag_days": 0,
    "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
    "release_at_confidence": "binding_side_only",
    "source_first_seen_at": null,
    "ingested_at": "2026-09-01T13:43:38.571Z",
    "usdjpy": "158.982",
    "status": "ORIGINAL",
    "revision_seq": 0,
    "supersedes_record_id": null,
    "gap_1m": "2.362",
    "swap_1m_360": "104.31",
    "swap_1m_365": "102.88",
    "gap_1y": "2.592",
    "swap_1y_360": "114.47",
    "swap_1y_365": "112.90",
    "annual_1y_365": "41,208",
    "annual_note": "1日あたり × 365。実際には日数と付与規則で変わる"
  },
  "quotation_rule": "業者のスワップとして引用しないこと。年基準（360/365）と年限を落として引用しないこと。理論値であり受取額の保証ではない。",
  "output_sha256": "8f5a7044dd3d6e60b7259a2008c114eb4738e597c54eec6909c62667d359dade",
  "generated_at": "2026-09-01T13:43:38Z",
  "observations_recent": [
    {
      "record_id": "drv.theoretical_swap:2026-08-21:r0:343fab9b2cf3",
      "observation_date": "2026-08-21",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-21T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "158.982",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.362",
      "swap_1m_360": "104.31",
      "swap_1m_365": "102.88",
      "gap_1y": "2.592",
      "swap_1y_360": "114.47",
      "swap_1y_365": "112.90"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-20:r0:5bd7e56534a7",
      "observation_date": "2026-08-20",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-20T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.069",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.370",
      "swap_1m_360": "104.72",
      "swap_1m_365": "103.29",
      "gap_1y": "2.560",
      "swap_1y_360": "113.12",
      "swap_1y_365": "111.57"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-19:r0:a51a45af54de",
      "observation_date": "2026-08-19",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-19T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "158.158",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.347",
      "swap_1m_360": "103.11",
      "swap_1m_365": "101.70",
      "gap_1y": "2.577",
      "swap_1y_360": "113.21",
      "swap_1y_365": "111.66"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-18:r0:882938549b1e",
      "observation_date": "2026-08-18",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-18T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.627",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.349",
      "swap_1m_360": "104.16",
      "swap_1m_365": "102.73",
      "gap_1y": "2.559",
      "swap_1y_360": "113.47",
      "swap_1y_365": "111.91"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-17:r0:ed3f0fff5fc2",
      "observation_date": "2026-08-17",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-17T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.469",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.351",
      "swap_1m_360": "104.14",
      "swap_1m_365": "102.72",
      "gap_1y": "2.561",
      "swap_1y_360": "113.44",
      "swap_1y_365": "111.89"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-14:r0:536324ac7a18",
      "observation_date": "2026-08-14",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-14T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.321",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.378",
      "swap_1m_360": "105.24",
      "swap_1m_365": "103.80",
      "gap_1y": "2.568",
      "swap_1y_360": "113.65",
      "swap_1y_365": "112.09"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-13:r0:185bdb5db7b6",
      "observation_date": "2026-08-13",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-13T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.518",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.390",
      "swap_1m_360": "105.90",
      "swap_1m_365": "104.45",
      "gap_1y": "2.570",
      "swap_1y_360": "113.88",
      "swap_1y_365": "112.32"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-12:r0:03222c42fa44",
      "observation_date": "2026-08-12",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-12T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.426",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.382",
      "swap_1m_360": "105.49",
      "swap_1m_365": "104.04",
      "gap_1y": "2.602",
      "swap_1y_360": "115.23",
      "swap_1y_365": "113.65"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-10:r0:7e6859d0a899",
      "observation_date": "2026-08-10",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-10T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "159.308",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.427",
      "swap_1m_360": "107.40",
      "swap_1m_365": "105.93",
      "gap_1y": "2.677",
      "swap_1y_360": "118.46",
      "swap_1y_365": "116.84"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-07:r0:7f87c01476c5",
      "observation_date": "2026-08-07",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-07T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "157.805",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.435",
      "swap_1m_360": "106.74",
      "swap_1m_365": "105.28",
      "gap_1y": "2.655",
      "swap_1y_360": "116.38",
      "swap_1y_365": "114.79"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-06:r0:74ea708c0953",
      "observation_date": "2026-08-06",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-06T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "158.462",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.489",
      "swap_1m_360": "109.56",
      "swap_1m_365": "108.06",
      "gap_1y": "2.749",
      "swap_1y_360": "121.00",
      "swap_1y_365": "119.35"
    },
    {
      "record_id": "drv.theoretical_swap:2026-08-05:r0:c312d9fd0cef",
      "observation_date": "2026-08-05",
      "observation_precision": "date",
      "publisher_release_at": "2026-08-05T16:15:00-04:00",
      "release_at_method": "rule_derived",
      "release_rule_id": "drv.gap.jp_us.binding_us",
      "release_lag_days": 0,
      "release_note": "米H.15（当日16:15 ET）と財務省 国債金利情報の遅い方で既知になる。財務省側の公表時刻は当所で未確立のため、拘束的とみなせる米側の時刻を用いる。確立次第、遅い方に改める",
      "release_at_confidence": "binding_side_only",
      "source_first_seen_at": null,
      "ingested_at": "2026-09-01T13:43:38.571Z",
      "usdjpy": "157.770",
      "status": "ORIGINAL",
      "revision_seq": 0,
      "supersedes_record_id": null,
      "gap_1m": "2.469",
      "swap_1m_360": "108.20",
      "swap_1m_365": "106.72",
      "gap_1y": "2.729",
      "swap_1y_360": "119.60",
      "swap_1y_365": "117.96"
    }
  ],
  "full": "/api/v0/series/drv.theoretical_swap/full.json"
}