円インデックス — 東京市場 外国為替相場（日次）
2026年10月9日の東京市場 外国為替相場（日次） — 円インデックスは73.5でした（日本銀行「時系列統計データ検索サイト」）. この指標は統計表「外国為替相場（日次）」に含まれています。1999年1月4日から2026年10月9日までの全期間の系列を収録しています. 全期間の系列をインタラクティブなグラフ付きで無料ダウンロードできます。
グラフのデータを読み込み中…
統計表「外国為替相場（日次）」でのこの指標
| 指標 | 09-10-2026 | 08-10-2026 | 07-10-2026 | 06-10-2026 | 05-10-2026 | 02-10-2026 | 01-10-2026 | 30-09-2026 | 29-09-2026 | 28-09-2026 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 円インデックス | 73.5 | 73.76 | 73.68 | 73.54 | 73.71 | 73.71 | 73.71 | 73.84 | 73.88 | 73.83 | |
| 東京市場 ドル・円 スポット 9時時点 | 158.05 | 158.1 | 158.32 | 157.97 | 157.74 | 157.94 | 157.56 | 157.42 | 157.37 | 157.44 | |
| 東京市場 ドル・円 スポット 最高値 | 158.38 | 158.28 | 158.51 | 158.24 | 158.17 | 158.21 | 158.45 | 157.46 | 157.58 | 157.85 |
円インデックスの年別データ
| 年 | 平均 | ± | 最高 | 最低 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 | T12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 73.27 | −7.99% | 74.32 | 71.98 | 74.22−5.9% | 74.32−8.18% | 73.49−9.84% | 72.83−12.96% | 73.01−10.88% | 72.36−11.04% | 71.98−9.68% | 72.78−8.7% | 74.02−6.5% | 73.66−5.17% | · | · |
| 2025 | 79.63 | −0.14% | 83.67 | 75.04 | 78.87−3.4% | 80.94+0.48% | 81.51+1.3% | 83.67+5.69% | 81.92+5.33% | 81.34+5.53% | 79.69+3.26% | 79.72−2.65% | 79.17−4.18% | 77.67−2.46% | 75.99−4.01% | 75.04−5.88% |
| 2024 | 79.74 | −5.97% | 82.63 | 77.08 | 81.65−8.3% | 80.55−8.38% | 80.47−8.63% | 79.17−9.68% | 77.77−9.43% | 77.08−8.58% | 77.17−8.37% | 81.89−1.4% | 82.63+0.41% | 79.63−2.68% | 79.16−1.56% | 79.73−3.88% |
| 2023 | 84.8 | −4.63% | 89.04 | 80.42 | 89.04−7.37% | 87.92−8.12% | 88.06−6.51% | 87.66−1.76% | 85.87−4.51% | 84.31−2.38% | 84.23−2.31% | 83.05−4.86% | 82.29−2.89% | 81.82−2.54% | 80.42−5.98% | 82.96−5.5% |
| 2022 | 88.92 | −10.62% | 96.12 | 83.95 | 96.12−7.61% | 95.69−6.59% | 94.19−6.27% | 89.23−10.9% | 89.93−8.98% | 86.36−12.02% | 86.21−13.23% | 87.3−12.63% | 84.74−14.77% | 83.95−13.56% | 85.53−11.56% | 87.78−9.68% |
| 2021 | 99.48 | −6.44% | 104.04 | 96.71 | 104.04+0.68% | 102.44−1.61% | 100.5−6.73% | 100.14−7.95% | 98.8−9.38% | 98.16−8.38% | 99.36−7.24% | 99.92−6.15% | 99.42−6.48% | 97.12−8.47% | 96.71−8.2% | 97.19−7.01% |
| 2020 | 106.33 | +2.26% | 109.02 | 103.34 | 103.34+0.71% | 104.11+2.96% | 107.75+7.07% | 108.78+8.49% | 109.02+5.25% | 107.14+2.28% | 107.11+2.61% | 106.46−1.58% | 106.31−0.82% | 106.1+0.02% | 105.34+0.57% | 104.52+0.28% |
| 2019 | 103.98 | +4.55% | 108.17 | 100.27 | 102.6+6.47% | 101.11+2.81% | 100.63+0.63% | 100.27+1.56% | 103.59+5.12% | 104.75+5.51% | 104.39+4.7% | 108.17+6.94% | 107.19+6.81% | 106.08+5.66% | 104.74+4.77% | 104.22+3.59% |
| 2018 | 99.46 | +0.19% | 101.15 | 96.37 | 96.37−3.44% | 98.35−2.16% | 100−0.48% | 98.73−3.95% | 98.55−1.55% | 99.28−1.19% | 99.7+1.2% | 101.15+1.37% | 100.36+2.2% | 100.4+3.41% | 99.97+3% | 100.62+4.34% |
| 2017 | 99.27 | −3.52% | 102.8 | 96.43 | 99.8+4.48% | 100.52+2.87% | 100.48+2.49% | 102.8+2.85% | 100.09−1.21% | 100.47−4.46% | 98.53−8.14% | 99.79−8.71% | 98.2−9.83% | 97.09−9.96% | 97.06−7.31% | 96.43−2.65% |
| 2016 | 102.9 | +15.24% | 109.31 | 95.52 | 95.52+6.93% | 97.72+9.18% | 98.04+9.88% | 99.94+12.05% | 101.32+15.52% | 105.17+22.11% | 107.26+22.93% | 109.31+23% | 108.9+18.73% | 107.83+18.43% | 104.71+16.14% | 99.05+8.4% |
| 2015 | 89.29 | −6.4% | 91.72 | 86.13 | 89.33−7.28% | 89.5−8.63% | 89.22−8.75% | 89.2−8.55% | 87.71−10.63% | 86.13−12.12% | 87.25−11.04% | 88.87−8.57% | 91.72−2.52% | 91.05−3.33% | 90.16+2.19% | 91.38+4.8% |
| 2014 | 95.4 | −6.47% | 98.14 | 87.19 | 96.34−12.59% | 97.95−7.8% | 97.78−6.79% | 97.54−3.92% | 98.14−0.04% | 98.01−4.52% | 98.08−2.47% | 97.2−5.12% | 94.09−6.56% | 94.18−6.89% | 88.23−11.15% | 87.19−9.25% |
| 2013 | 102 | −18.77% | 110.22 | 96.07 | 110.22−15.45% | 106.23−15.71% | 104.91−12.82% | 101.53−16.98% | 98.18−22.48% | 102.65−19.97% | 100.56−21.94% | 102.45−20.4% | 100.7−21.42% | 101.15−19.7% | 99.3−19.21% | 96.07−18.75% |
| 2012 | 125.56 | +1.39% | 130.36 | 118.25 | 130.36+7.61% | 126.03+4.44% | 120.34−0.69% | 122.28+4.34% | 126.65+5.38% | 128.25+5.99% | 128.83+5.29% | 128.7+2.24% | 128.15−0.37% | 125.98−2.99% | 122.91−4.57% | 118.25−8.49% |
| 2011 | 123.85 | +5.6% | 129.86 | 117.2 | 121.14+8.08% | 120.68+5.35% | 121.18+6.93% | 117.2+7% | 120.18+4.66% | 121.01+4.05% | 122.36+2.99% | 125.89+3.93% | 128.63+5.89% | 129.86+6.06% | 128.8+5.94% | 129.23+6.58% |
| 2010 | 117.27 | +4.16% | 122.44 | 109.53 | 112.09−6.42% | 114.55−3.31% | 113.33+0.89% | 109.53+0.49% | 114.83+4.69% | 116.29+7.34% | 118.81+7.3% | 121.13+10.7% | 121.47+7.65% | 122.44+8.52% | 121.57+6.65% | 121.24+6.66% |
| 2009 | 112.59 | +14.52% | 119.77 | 108.34 | 119.77+28.13% | 118.46+27.19% | 112.33+15.19% | 109+14.46% | 109.68+16.26% | 108.34+17.87% | 110.72+21.36% | 109.42+20.44% | 112.84+18.57% | 112.82+6.1% | 113.99+1.27% | 113.68−3.67% |
| 2008 | 98.32 | +11.22% | 118.01 | 90.85 | 93.48+5.72% | 93.14+5.42% | 97.52+7.82% | 95.23+7.78% | 94.35+8.99% | 91.91+7.78% | 91.24+7.03% | 90.85+1.76% | 95.17+5.97% | 106.34+20.84% | 112.56+23.76% | 118.01+31.03% |
| 2007 | 88.4 | −5.42% | 90.95 | 85.24 | 88.42−7.37% | 88.35−5.64% | 90.45−3.78% | 88.35−5.46% | 86.56−10.59% | 85.28−10.27% | 85.24−9.3% | 89.28−4.37% | 89.8−2.87% | 88−3.74% | 90.95−0.56% | 90.06−0.42% |
| 2006 | 93.46 | −7.32% | 96.82 | 90.44 | 95.45−10.33% | 93.63−10.4% | 94−9.33% | 93.45−8.78% | 96.82−6.17% | 95.03−7.41% | 93.98−6.19% | 93.36−6.94% | 92.46−7.58% | 91.42−6.16% | 91.47−3.6% | 90.44−4.18% |
| 2005 | 100.85 | −3.39% | 106.45 | 94.39 | 106.45+0.55% | 104.5−0.73% | 103.68−0.65% | 102.44−3.06% | 103.19+1.36% | 102.64−1.51% | 100.18−3.42% | 100.33−2.91% | 100.05−3.18% | 97.43−6.06% | 94.88−10.36% | 94.39−10.48% |
| 2004 | 104.38 | +3.68% | 105.87 | 101.81 | 105.87+5.9% | 105.27+5.93% | 104.35+4.19% | 105.67+6.95% | 101.81+3.05% | 104.21+6.71% | 103.73+5.94% | 103.34+4.88% | 103.33+2.16% | 103.71−1.15% | 105.85+0.45% | 105.44−0.03% |
| 2003 | 100.67 | +2.85% | 105.47 | 97.66 | 99.97+6.25% | 99.37+5.77% | 100.15+4.98% | 98.81+3.87% | 98.79+1.49% | 97.66−0.88% | 97.91−3.79% | 98.53−3.07% | 101.14+0.62% | 104.92+6.76% | 105.37+6.01% | 105.47+7.04% |
| 2002 | 97.88 | −3.97% | 101.76 | 93.95 | 94.1−9.08% | 93.95−10.31% | 95.4−5.76% | 95.13−5.24% | 97.34−4.87% | 98.52−3.87% | 101.76+0.99% | 101.65−0.15% | 100.52−3.37% | 98.27−3.95% | 99.39−2.43% | 98.54+0.85% |
| 2001 | 101.93 | −7.75% | 104.74 | 97.71 | 103.5−5.33% | 104.74−1.34% | 101.23−7.82% | 100.39−9.59% | 102.32−7.1% | 102.48−7.93% | 100.76−8.29% | 101.8−7.99% | 104.03−8.17% | 102.32−9.32% | 101.87−9.69% | 97.71−10.06% |
| 2000 | 110.49 | +8.95% | 113.28 | 106.17 | 109.33+9.75% | 106.17+8.64% | 109.82+13.9% | 111.04+15.48% | 110.13+17.03% | 111.31+16.7% | 109.87+13.87% | 110.65+8.8% | 113.28+5.13% | 112.83+3.95% | 112.8+2.18% | 108.63−3.62% |
| 1999 | 101.42 | · | 112.71 | 94.11 | 99.61 | 97.73 | 96.42 | 96.16 | 94.11 | 95.38 | 96.49 | 101.7 | 107.75 | 108.55 | 110.39 | 112.71 |
28年分のデータ（単位：1999年1月4日=100）。各セルはその月の日次データの平均です。平均列は年内各期の平均値、±は前年との比較です。 各セルの下の小さな数字は前年比の変化です。 全期間の系列はページ上部のグラフ、または外国為替相場（日次）の統計表でご覧いただけます。