{
  "schema_version": "1.0",
  "generated_at": "2026-08-24T03:35:38Z",
  "previous_generated_at": "2026-08-17T03:41:11Z",
  "status": "changed",
  "scope": "Publish-to-publish comparison of focused monthly semiconductor observations; separate from month-to-month movement",
  "summary": {
    "current_observation_count": 7515,
    "previous_observation_count": 7704,
    "observation_delta": -189,
    "added_rows": 28,
    "removed_rows": 0,
    "revised_rows": 140
  },
  "current_periods": [
    "2025-08",
    "2025-09",
    "2025-10",
    "2025-11",
    "2025-12",
    "2026-01",
    "2026-02",
    "2026-03",
    "2026-04",
    "2026-05",
    "2026-06"
  ],
  "new_periods": [],
  "removed_periods": [],
  "current_reporters": [
    "DEU",
    "JPN",
    "KOR",
    "MEX",
    "MYS",
    "NLD",
    "PHL",
    "SGP",
    "USA"
  ],
  "new_reporters": [],
  "removed_reporters": [],
  "top_revisions": [
    {
      "reporter_iso3": "JPN",
      "period": "2026-04",
      "classification": "HS",
      "code": "847150",
      "label": "Processing units",
      "previous_usa_trade_usd": 281443414.542,
      "current_usa_trade_usd": 5535076.711,
      "previous_china_trade_usd": 254956210.344,
      "current_china_trade_usd": 1969000.514,
      "previous_total_usd": 536399624.88600004,
      "current_total_usd": 7504077.225,
      "delta_trade_usd": -528895547.661,
      "magnitude_trade_usd": 528895547.661,
      "change_ratio": -0.9860102862178645
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-05",
      "classification": "HS",
      "code": "847150",
      "label": "Processing units",
      "previous_usa_trade_usd": 266859868.809,
      "current_usa_trade_usd": 2107908.176,
      "previous_china_trade_usd": 159406995.648,
      "current_china_trade_usd": 2394893.4,
      "previous_total_usd": 426266864.457,
      "current_total_usd": 4502801.575999999,
      "delta_trade_usd": -421764062.88100004,
      "magnitude_trade_usd": 421764062.881,
      "change_ratio": -0.9894366605723955
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-03",
      "classification": "HS",
      "code": "847150",
      "label": "Processing units",
      "previous_usa_trade_usd": 214829454.88500002,
      "current_usa_trade_usd": 2959326.404,
      "previous_china_trade_usd": 196871149.733,
      "current_china_trade_usd": 2809852.932,
      "previous_total_usd": 411700604.61800003,
      "current_total_usd": 5769179.336,
      "delta_trade_usd": -405931425.282,
      "magnitude_trade_usd": 405931425.282,
      "change_ratio": -0.9859869544244342
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-02",
      "classification": "HS",
      "code": "847150",
      "label": "Processing units",
      "previous_usa_trade_usd": 150232991.417,
      "current_usa_trade_usd": 2617099.067,
      "previous_china_trade_usd": 141535419.333,
      "current_china_trade_usd": 1936278.53,
      "previous_total_usd": 291768410.75,
      "current_total_usd": 4553377.597,
      "delta_trade_usd": -287215033.153,
      "magnitude_trade_usd": 287215033.153,
      "change_ratio": -0.9843938636629805
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-01",
      "classification": "HS",
      "code": "847150",
      "label": "Processing units",
      "previous_usa_trade_usd": 68437628.317,
      "current_usa_trade_usd": 1893517.216,
      "previous_china_trade_usd": 208916232.049,
      "current_china_trade_usd": 1573141.538,
      "previous_total_usd": 277353860.366,
      "current_total_usd": 3466658.7539999997,
      "delta_trade_usd": -273887201.612,
      "magnitude_trade_usd": 273887201.612,
      "change_ratio": -0.9875009536574492
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-02",
      "classification": "HS",
      "code": "851762",
      "label": "Network transmission equipment",
      "previous_usa_trade_usd": 86381261.84200001,
      "current_usa_trade_usd": 34085000.193,
      "previous_china_trade_usd": 224238962.783,
      "current_china_trade_usd": 5474524.503,
      "previous_total_usd": 310620224.625,
      "current_total_usd": 39559524.696,
      "delta_trade_usd": -271060699.929,
      "magnitude_trade_usd": 271060699.929,
      "change_ratio": -0.8726434354242107
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-01",
      "classification": "HS",
      "code": "851762",
      "label": "Network transmission equipment",
      "previous_usa_trade_usd": 63186412.376,
      "current_usa_trade_usd": 31152093.606,
      "previous_china_trade_usd": 238078544.455,
      "current_china_trade_usd": 6203859.794,
      "previous_total_usd": 301264956.83100003,
      "current_total_usd": 37355953.4,
      "delta_trade_usd": -263909003.43100002,
      "magnitude_trade_usd": 263909003.43100002,
      "change_ratio": -0.8760029915429045
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-05",
      "classification": "HS",
      "code": "851762",
      "label": "Network transmission equipment",
      "previous_usa_trade_usd": 72732303.705,
      "current_usa_trade_usd": 31709656.469,
      "previous_china_trade_usd": 219890732.85,
      "current_china_trade_usd": 5903523.686,
      "previous_total_usd": 292623036.555,
      "current_total_usd": 37613180.155,
      "delta_trade_usd": -255009856.4,
      "magnitude_trade_usd": 255009856.4,
      "change_ratio": -0.8714619990353001
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-02",
      "classification": "HS",
      "code": "854232",
      "label": "Memories",
      "previous_usa_trade_usd": 7622892.101,
      "current_usa_trade_usd": 4925707.872,
      "previous_china_trade_usd": 777126114.056,
      "current_china_trade_usd": 527441070.513,
      "previous_total_usd": 784749006.157,
      "current_total_usd": 532366778.385,
      "delta_trade_usd": -252382227.77199996,
      "magnitude_trade_usd": 252382227.77199998,
      "change_ratio": -0.3216088530114142
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-04",
      "classification": "HS",
      "code": "851762",
      "label": "Network transmission equipment",
      "previous_usa_trade_usd": 74462688.487,
      "current_usa_trade_usd": 32037203.859,
      "previous_china_trade_usd": 213747294.46,
      "current_china_trade_usd": 7621062.595,
      "previous_total_usd": 288209982.947,
      "current_total_usd": 39658266.454,
      "delta_trade_usd": -248551716.49300003,
      "magnitude_trade_usd": 248551716.49300003,
      "change_ratio": -0.8623980125584585
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-03",
      "classification": "HS",
      "code": "851762",
      "label": "Network transmission equipment",
      "previous_usa_trade_usd": 78752172.619,
      "current_usa_trade_usd": 35860112.574,
      "previous_china_trade_usd": 187517859.627,
      "current_china_trade_usd": 7965751.68,
      "previous_total_usd": 266270032.246,
      "current_total_usd": 43825864.254,
      "delta_trade_usd": -222444167.99199998,
      "magnitude_trade_usd": 222444167.99199998,
      "change_ratio": -0.8354081986458377
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-01",
      "classification": "HS",
      "code": "854232",
      "label": "Memories",
      "previous_usa_trade_usd": 6496385.876,
      "current_usa_trade_usd": 5139734.575,
      "previous_china_trade_usd": 589518286.1459999,
      "current_china_trade_usd": 394065607.219,
      "previous_total_usd": 596014672.022,
      "current_total_usd": 399205341.79399997,
      "delta_trade_usd": -196809330.228,
      "magnitude_trade_usd": 196809330.22799993,
      "change_ratio": -0.33020886811446715
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-05",
      "classification": "HS",
      "code": "854232",
      "label": "Memories",
      "previous_usa_trade_usd": 44446673.919,
      "current_usa_trade_usd": 41980700.607,
      "previous_china_trade_usd": 933786387.303,
      "current_china_trade_usd": 763604711.63,
      "previous_total_usd": 978233061.222,
      "current_total_usd": 805585412.237,
      "delta_trade_usd": -172647648.985,
      "magnitude_trade_usd": 172647648.98499998,
      "change_ratio": -0.1764892803452483
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-04",
      "classification": "HS",
      "code": "854232",
      "label": "Memories",
      "previous_usa_trade_usd": 6702318.739,
      "current_usa_trade_usd": 5733965.652,
      "previous_china_trade_usd": 871365648.026,
      "current_china_trade_usd": 706390856.405,
      "previous_total_usd": 878067966.765,
      "current_total_usd": 712124822.0569999,
      "delta_trade_usd": -165943144.70800006,
      "magnitude_trade_usd": 165943144.70800006,
      "change_ratio": -0.18898667414023992
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-03",
      "classification": "HS",
      "code": "854232",
      "label": "Memories",
      "previous_usa_trade_usd": 7316005.691,
      "current_usa_trade_usd": 4234953.557,
      "previous_china_trade_usd": 659056837.365,
      "current_china_trade_usd": 519893863.632,
      "previous_total_usd": 666372843.056,
      "current_total_usd": 524128817.189,
      "delta_trade_usd": -142244025.86699998,
      "magnitude_trade_usd": 142244025.86699998,
      "change_ratio": -0.21346011823450947
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-03",
      "classification": "HS",
      "code": "854231",
      "label": "Processors and controllers",
      "previous_usa_trade_usd": 56192123.038,
      "current_usa_trade_usd": 21943655.093,
      "previous_china_trade_usd": 135399404.025,
      "current_china_trade_usd": 59590364.273,
      "previous_total_usd": 191591527.06300002,
      "current_total_usd": 81534019.366,
      "delta_trade_usd": -110057507.69700003,
      "magnitude_trade_usd": 110057507.69700001,
      "change_ratio": -0.5744382822357817
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-04",
      "classification": "HS",
      "code": "854231",
      "label": "Processors and controllers",
      "previous_usa_trade_usd": 86987788.59200001,
      "current_usa_trade_usd": 25446904.544,
      "previous_china_trade_usd": 108594667.513,
      "current_china_trade_usd": 62686234.48,
      "previous_total_usd": 195582456.10500002,
      "current_total_usd": 88133139.02399999,
      "delta_trade_usd": -107449317.08100003,
      "magnitude_trade_usd": 107449317.081,
      "change_ratio": -0.5493811624050523
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-05",
      "classification": "HS",
      "code": "854231",
      "label": "Processors and controllers",
      "previous_usa_trade_usd": 69627899.756,
      "current_usa_trade_usd": 17585699.576,
      "previous_china_trade_usd": 104208924.433,
      "current_china_trade_usd": 51613996.295,
      "previous_total_usd": 173836824.189,
      "current_total_usd": 69199695.871,
      "delta_trade_usd": -104637128.318,
      "magnitude_trade_usd": 104637128.31799999,
      "change_ratio": -0.6019272890319012
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-03",
      "classification": "HS",
      "code": "854239",
      "label": "Other integrated circuits",
      "previous_usa_trade_usd": 82911743.337,
      "current_usa_trade_usd": 34205018.333,
      "previous_china_trade_usd": 146986778.247,
      "current_china_trade_usd": 91261431.244,
      "previous_total_usd": 229898521.584,
      "current_total_usd": 125466449.57699999,
      "delta_trade_usd": -104432072.007,
      "magnitude_trade_usd": 104432072.007,
      "change_ratio": -0.4542529081416592
    },
    {
      "reporter_iso3": "JPN",
      "period": "2026-05",
      "classification": "HS",
      "code": "854239",
      "label": "Other integrated circuits",
      "previous_usa_trade_usd": 77241428.127,
      "current_usa_trade_usd": 25243607.887,
      "previous_china_trade_usd": 141258733.277,
      "current_china_trade_usd": 91411994.695,
      "previous_total_usd": 218500161.404,
      "current_total_usd": 116655602.58199999,
      "delta_trade_usd": -101844558.82200003,
      "magnitude_trade_usd": 101844558.82200003,
      "change_ratio": -0.46610747638621924
    }
  ]
}