diff --git a/api/ark/funds/ARKK/history/001.json b/api/ark/funds/ARKK/history/001.json
index 7171df2..990a8a9 100644
--- a/api/ark/funds/ARKK/history/001.json
+++ b/api/ark/funds/ARKK/history/001.json
@@ -6010,5 +6010,5 @@
     }
   ],
   "ticker": "ARKK",
-  "totalRows": 3002
+  "totalRows": 3003
 }
diff --git a/api/ark/funds/ARKK/history/002.json b/api/ark/funds/ARKK/history/002.json
index 96996a6..fee9c58 100644
--- a/api/ark/funds/ARKK/history/002.json
+++ b/api/ark/funds/ARKK/history/002.json
@@ -6010,5 +6010,5 @@
     }
   ],
   "ticker": "ARKK",
-  "totalRows": 3002
+  "totalRows": 3003
 }
diff --git a/api/ark/funds/ARKK/history/003.json b/api/ark/funds/ARKK/history/003.json
index 5390e80..7e71be2 100644
--- a/api/ark/funds/ARKK/history/003.json
+++ b/api/ark/funds/ARKK/history/003.json
@@ -6010,5 +6010,5 @@
     }
   ],
   "ticker": "ARKK",
-  "totalRows": 3002
+  "totalRows": 3003
 }
diff --git a/api/ark/funds/ARKK/history/004.json b/api/ark/funds/ARKK/history/004.json
index 6882123..a90a266 100644
--- a/api/ark/funds/ARKK/history/004.json
+++ b/api/ark/funds/ARKK/history/004.json
@@ -19,8 +19,14 @@
       "Market Price": "89.62",
       "NAV": "89.63",
       "Premium/Discount": "-0.0112%"
+    },
+    {
+      "Date": "Oct 12 2026",
+      "Market Price": "88.02",
+      "NAV": "88.02",
+      "Premium/Discount": "0.0000%"
     }
   ],
   "ticker": "ARKK",
-  "totalRows": 3002
+  "totalRows": 3003
 }
diff --git a/api/ark/funds/ARKK/holdings/001.json b/api/ark/funds/ARKK/holdings/001.json
index 20297f0..abd998c 100644
--- a/api/ark/funds/ARKK/holdings/001.json
+++ b/api/ark/funds/ARKK/holdings/001.json
@@ -14,56 +14,47 @@
     {
       "Asset Category": "Equity",
       "Identifier": "88160R101",
-      "Market Value": "$652,231,783.00",
+      "Market Value": "$639,101,298.30",
       "Name": "TESLA INC",
-      "Shares Held": "1,704,290",
+      "Shares Held": "1,690,610",
       "Ticker": "TSLA",
-      "Weight": "9.73%"
+      "Weight": "9.79%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "84615Q103",
-      "Market Value": "$443,859,181.05",
+      "Market Value": "$442,597,086.22",
       "Name": "SPACE EXPLORATION TECHN-CL A",
-      "Shares Held": "2,730,265",
+      "Shares Held": "2,708,341",
       "Ticker": "SPCX",
-      "Weight": "6.62%"
+      "Weight": "6.78%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "88023B103",
-      "Market Value": "$340,120,202.29",
+      "Market Value": "$323,404,293.55",
       "Name": "TEMPUS AI INC-CL A",
-      "Shares Held": "4,795,153",
+      "Shares Held": "4,756,645",
       "Ticker": "TEM",
-      "Weight": "5.08%"
+      "Weight": "4.95%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "172573107",
-      "Market Value": "$313,240,963.05",
+      "Market Value": "$308,372,796.65",
       "Name": "CIRCLE INTERNET GROUP INC",
-      "Shares Held": "3,706,555",
+      "Shares Held": "3,676,795",
       "Ticker": "CRCL",
-      "Weight": "4.67%"
-    },
-    {
-      "Asset Category": "Equity",
-      "Identifier": "H17182108",
-      "Market Value": "$283,352,849.53",
-      "Name": "CRISPR THERAPEUTICS AG",
-      "Shares Held": "5,307,227",
-      "Ticker": "CRSP",
-      "Weight": "4.23%"
+      "Weight": "4.72%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "19260Q107",
-      "Market Value": "$282,223,523.60",
+      "Market Value": "$281,517,355.56",
       "Name": "COINBASE GLOBAL INC -CLASS A",
-      "Shares Held": "1,573,240",
+      "Shares Held": "1,560,604",
       "Ticker": "COIN",
-      "Weight": "4.21%"
+      "Weight": "4.31%"
     },
     {
       "Asset Category": "Other",
@@ -72,160 +63,169 @@
       "Name": "OPENAI GROUP PBC SERIES C",
       "Shares Held": "254,476",
       "Ticker": "",
-      "Weight": "4.07%"
+      "Weight": "4.18%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "82509L107",
-      "Market Value": "$223,579,777.20",
-      "Name": "SHOPIFY INC - CLASS A",
-      "Shares Held": "1,308,632",
-      "Ticker": "SHOP",
-      "Weight": "3.34%"
+      "Identifier": "H17182108",
+      "Market Value": "$271,390,284.65",
+      "Name": "CRISPR THERAPEUTICS AG",
+      "Shares Held": "5,264,603",
+      "Ticker": "CRSP",
+      "Weight": "4.16%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "90184D100",
-      "Market Value": "$221,860,761.42",
-      "Name": "TWIST BIOSCIENCE CORP",
-      "Shares Held": "1,388,539",
-      "Ticker": "TWST",
-      "Weight": "3.31%"
+      "Identifier": "82509L107",
+      "Market Value": "$232,651,217.04",
+      "Name": "SHOPIFY INC - CLASS A",
+      "Shares Held": "1,298,132",
+      "Ticker": "SHOP",
+      "Weight": "3.56%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "770700102",
-      "Market Value": "$212,586,601.56",
+      "Market Value": "$211,266,211.96",
       "Name": "ROBINHOOD MARKETS INC - A",
-      "Shares Held": "1,949,978",
+      "Shares Held": "1,934,318",
       "Ticker": "HOOD",
-      "Weight": "3.17%"
+      "Weight": "3.24%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "67066G104",
-      "Market Value": "$201,705,411.52",
-      "Name": "NVIDIA CORP",
-      "Shares Held": "879,734",
-      "Ticker": "NVDA",
-      "Weight": "3.01%"
+      "Identifier": "90184D100",
+      "Market Value": "$209,170,597.26",
+      "Name": "TWIST BIOSCIENCE CORP",
+      "Shares Held": "1,377,391",
+      "Ticker": "TWST",
+      "Weight": "3.20%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "69608A108",
-      "Market Value": "$200,139,243.75",
+      "Market Value": "$198,486,255.00",
       "Name": "PALANTIR TECHNOLOGIES INC-A",
-      "Shares Held": "957,375",
+      "Shares Held": "949,695",
       "Ticker": "PLTR",
-      "Weight": "2.99%"
+      "Weight": "3.04%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "88025U109",
-      "Market Value": "$188,260,488.50",
-      "Name": "10X GENOMICS INC-CLASS A",
-      "Shares Held": "2,334,290",
-      "Ticker": "TXG",
-      "Weight": "2.81%"
+      "Identifier": "67066G104",
+      "Market Value": "$197,504,484.96",
+      "Name": "NVIDIA CORP",
+      "Shares Held": "872,678",
+      "Ticker": "NVDA",
+      "Weight": "3.03%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "21873S108",
-      "Market Value": "$187,230,553.92",
+      "Market Value": "$181,609,278.12",
       "Name": "COREWEAVE INC-CL A",
-      "Shares Held": "2,281,074",
+      "Shares Held": "2,262,762",
       "Ticker": "CRWV",
-      "Weight": "2.79%"
+      "Weight": "2.78%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "07373V105",
-      "Market Value": "$157,308,954.70",
-      "Name": "BEAM THERAPEUTICS INC",
-      "Shares Held": "6,120,971",
-      "Ticker": "BEAM",
-      "Weight": "2.35%"
+      "Identifier": "88025U109",
+      "Market Value": "$174,105,903.74",
+      "Name": "10X GENOMICS INC-CLASS A",
+      "Shares Held": "2,315,546",
+      "Ticker": "TXG",
+      "Weight": "2.67%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "023135106",
-      "Market Value": "$156,233,501.62",
+      "Market Value": "$153,267,517.74",
       "Name": "AMAZON.COM INC",
-      "Shares Held": "595,334",
+      "Shares Held": "590,558",
       "Ticker": "AMZN",
-      "Weight": "2.33%"
+      "Weight": "2.35%"
+    },
+    {
+      "Asset Category": "Equity",
+      "Identifier": "07373V105",
+      "Market Value": "$152,584,509.91",
+      "Name": "BEAM THERAPEUTICS INC",
+      "Shares Held": "6,071,807",
+      "Ticker": "BEAM",
+      "Weight": "2.34%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "852234103",
-      "Market Value": "$150,922,557.32",
+      "Market Value": "$148,897,056.38",
       "Name": "BLOCK INC",
-      "Shares Held": "1,953,943",
+      "Shares Held": "1,938,259",
       "Ticker": "XYZ",
-      "Weight": "2.25%"
+      "Weight": "2.28%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "15675D103",
-      "Market Value": "$149,676,579.89",
-      "Name": "CEREBRAS SYSTEMS INC - A",
-      "Shares Held": "911,717",
-      "Ticker": "CBRS",
-      "Weight": "2.23%"
+      "Identifier": "30303M102",
+      "Market Value": "$136,498,097.12",
+      "Name": "META PLATFORMS INC-CLASS A",
+      "Shares Held": "183,722",
+      "Ticker": "META",
+      "Weight": "2.09%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "45826J105",
-      "Market Value": "$141,813,773.89",
+      "Market Value": "$135,400,842.14",
       "Name": "INTELLIA THERAPEUTICS INC",
-      "Shares Held": "10,850,327",
+      "Shares Held": "10,763,183",
       "Ticker": "NTLA",
-      "Weight": "2.12%"
+      "Weight": "2.07%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "30303M102",
-      "Market Value": "$136,379,131.22",
-      "Name": "META PLATFORMS INC-CLASS A",
-      "Shares Held": "189,766",
-      "Ticker": "META",
-      "Weight": "2.04%"
+      "Identifier": "15675D103",
+      "Market Value": "$132,602,688.14",
+      "Name": "CEREBRAS SYSTEMS INC - A",
+      "Shares Held": "904,397",
+      "Ticker": "CBRS",
+      "Weight": "2.03%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "11135F101",
-      "Market Value": "$127,706,774.20",
+      "Market Value": "$124,296,682.54",
       "Name": "BROADCOM INC",
-      "Shares Held": "353,230",
+      "Shares Held": "350,398",
       "Ticker": "AVGO",
-      "Weight": "1.91%"
-    },
-    {
-      "Asset Category": "Equity",
-      "Identifier": "G16910120",
-      "Market Value": "$125,745,060.46",
-      "Name": "BULLISH",
-      "Shares Held": "3,858,394",
-      "Ticker": "BLSH",
-      "Weight": "1.88%"
+      "Weight": "1.90%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "007903107",
-      "Market Value": "$124,949,347.50",
+      "Market Value": "$121,124,533.44",
       "Name": "ADVANCED MICRO DEVICES",
-      "Shares Held": "205,475",
+      "Shares Held": "203,831",
       "Ticker": "AMD",
       "Weight": "1.86%"
     },
+    {
+      "Asset Category": "Equity",
+      "Identifier": "G16910120",
+      "Market Value": "$121,060,978.30",
+      "Name": "BULLISH",
+      "Shares Held": "3,827,410",
+      "Ticker": "BLSH",
+      "Weight": "1.85%"
+    },
     {
       "Asset Category": "Equity",
       "Identifier": "09175A206",
-      "Market Value": "$119,760,978.33",
+      "Market Value": "$117,810,539.53",
       "Name": "BITMINE IMMERSION TECHNOLOGI",
-      "Shares Held": "4,983,811",
+      "Shares Held": "4,943,791",
       "Ticker": "BMNR",
-      "Weight": "1.79%"
+      "Weight": "1.80%"
     },
     {
       "Asset Category": "Other",
@@ -234,176 +234,176 @@
       "Name": "KALSHI INC.",
       "Shares Held": "90,024",
       "Ticker": "",
-      "Weight": "1.43%"
+      "Weight": "1.47%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "75629V104",
-      "Market Value": "$92,982,489.24",
-      "Name": "RECURSION PHARMACEUTICALS-A",
-      "Shares Held": "21,326,259",
-      "Ticker": "RXRX",
-      "Weight": "1.39%"
+      "Identifier": "02079K107",
+      "Market Value": "$86,516,642.40",
+      "Name": "ALPHABET INC-CL C",
+      "Shares Held": "247,920",
+      "Ticker": "GOOG",
+      "Weight": "1.33%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "773121108",
-      "Market Value": "$90,451,030.07",
+      "Market Value": "$86,436,445.33",
       "Name": "ROCKET LAB",
-      "Shares Held": "1,326,067",
+      "Shares Held": "1,315,423",
       "Ticker": "RKLB UQ",
-      "Weight": "1.35%"
+      "Weight": "1.32%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "02079K107",
-      "Market Value": "$86,938,562.64",
-      "Name": "ALPHABET INC-CL C",
-      "Shares Held": "249,924",
-      "Ticker": "GOOG",
+      "Identifier": "75629V104",
+      "Market Value": "$84,831,433.71",
+      "Name": "RECURSION PHARMACEUTICALS-A",
+      "Shares Held": "21,154,971",
+      "Ticker": "RXRX",
       "Weight": "1.30%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "18915M107",
-      "Market Value": "$87,221,982.87",
+      "Market Value": "$84,113,012.49",
       "Name": "CLOUDFLARE INC - CLASS A",
-      "Shares Held": "241,659",
+      "Shares Held": "239,727",
       "Ticker": "NET",
-      "Weight": "1.30%"
+      "Weight": "1.29%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "03945R102",
-      "Market Value": "$76,638,601.76",
+      "Market Value": "$71,884,694.63",
       "Name": "ARCHER AVIATION INC-A",
-      "Shares Held": "15,451,331",
+      "Shares Held": "15,327,227",
       "Ticker": "ACHR",
-      "Weight": "1.14%"
+      "Weight": "1.10%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "632307104",
-      "Market Value": "$71,836,483.83",
+      "Market Value": "$70,741,405.65",
       "Name": "NATERA INC",
-      "Shares Held": "179,273",
+      "Shares Held": "177,845",
       "Ticker": "NTRA",
-      "Weight": "1.07%"
+      "Weight": "1.08%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "50077B207",
-      "Market Value": "$71,158,107.12",
+      "Market Value": "$69,353,653.48",
       "Name": "KRATOS DEFENSE & SECURITY",
-      "Shares Held": "1,679,842",
+      "Shares Held": "1,666,354",
       "Ticker": "KTOS",
       "Weight": "1.06%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "05605H100",
-      "Market Value": "$69,446,445.71",
+      "Market Value": "$67,016,223.12",
       "Name": "BWX TECHNOLOGIES INC",
-      "Shares Held": "482,837",
+      "Shares Held": "478,961",
       "Ticker": "BWXT",
-      "Weight": "1.04%"
+      "Weight": "1.03%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "874039100",
-      "Market Value": "$67,188,701.58",
+      "Market Value": "$65,332,780.50",
       "Name": "TAIWAN SEMICONDUCTOR-SP ADR",
-      "Shares Held": "148,218",
+      "Shares Held": "147,030",
       "Ticker": "TSM",
       "Weight": "1.00%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "92337F107",
-      "Market Value": "$66,836,099.62",
+      "Market Value": "$64,525,660.52",
       "Name": "VERACYTE INC",
-      "Shares Held": "1,477,694",
+      "Shares Held": "1,465,826",
       "Ticker": "VCYT",
-      "Weight": "1.00%"
+      "Weight": "0.99%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "880770102",
-      "Market Value": "$66,104,351.48",
+      "Market Value": "$62,511,124.05",
       "Name": "TERADYNE INC",
-      "Shares Held": "164,161",
+      "Shares Held": "162,853",
       "Ticker": "TER",
-      "Weight": "0.99%"
+      "Weight": "0.96%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "81663L200",
-      "Market Value": "$61,385,972.94",
-      "Name": "GENEDX HOLDINGS CORP",
-      "Shares Held": "911,718",
-      "Ticker": "WGS",
+      "Identifier": "452327109",
+      "Market Value": "$60,125,647.73",
+      "Name": "ILLUMINA INC",
+      "Shares Held": "217,319",
+      "Ticker": "ILMN",
       "Weight": "0.92%"
     },
     {
       "Asset Category": "Equity",
-      "Identifier": "452327109",
-      "Market Value": "$60,938,980.07",
-      "Name": "ILLUMINA INC",
-      "Shares Held": "219,071",
-      "Ticker": "ILMN",
-      "Weight": "0.91%"
+      "Identifier": "81663L200",
+      "Market Value": "$57,718,680.36",
+      "Name": "GENEDX HOLDINGS CORP",
+      "Shares Held": "904,398",
+      "Ticker": "WGS",
+      "Weight": "0.88%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "98386P102",
-      "Market Value": "$60,219,954.81",
+      "Market Value": "$56,991,273.48",
       "Name": "X-ENERGY INC",
-      "Shares Held": "4,392,411",
+      "Shares Held": "4,357,131",
       "Ticker": "XE",
-      "Weight": "0.90%"
+      "Weight": "0.87%"
     },
     {
       "Asset Category": "Structured Note",
       "Identifier": "00214Q724",
-      "Market Value": "$40,952,869.10",
+      "Market Value": "$40,424,902.14",
       "Name": "ARK ACTIVE AUTOCALL INC ETF",
-      "Shares Held": "2,006,510",
+      "Shares Held": "1,990,394",
       "Ticker": "ARKY",
-      "Weight": "0.61%"
-    },
-    {
-      "Asset Category": "Equity",
-      "Identifier": "83406F102",
-      "Market Value": "$33,693,800.20",
-      "Name": "SOFI TECHNOLOGIES INC",
-      "Shares Held": "2,132,519",
-      "Ticker": "SOFI",
-      "Weight": "0.50%"
+      "Weight": "0.62%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "532457108",
-      "Market Value": "$32,045,482.98",
+      "Market Value": "$31,881,069.96",
       "Name": "ELI LILLY & CO",
-      "Shares Held": "27,174",
+      "Shares Held": "26,958",
       "Ticker": "LLY",
-      "Weight": "0.48%"
+      "Weight": "0.49%"
+    },
+    {
+      "Asset Category": "Equity",
+      "Identifier": "83406F102",
+      "Market Value": "$32,217,465.85",
+      "Name": "SOFI TECHNOLOGIES INC",
+      "Shares Held": "2,115,395",
+      "Ticker": "SOFI",
+      "Weight": "0.49%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "69404D108",
-      "Market Value": "$28,530,509.82",
+      "Market Value": "$25,507,654.20",
       "Name": "PACIFIC BIOSCIENCES OF CALIF",
-      "Shares Held": "12,244,854",
+      "Shares Held": "12,146,502",
       "Ticker": "PACB",
-      "Weight": "0.43%"
+      "Weight": "0.39%"
     },
     {
       "Asset Category": "Equity",
       "Identifier": "157085101",
-      "Market Value": "$19,978,128.90",
+      "Market Value": "$19,473,007.50",
       "Name": "CERUS CORP",
-      "Shares Held": "8,686,143",
+      "Shares Held": "8,616,375",
       "Ticker": "CERS",
       "Weight": "0.30%"
     },
@@ -419,7 +419,7 @@
     {
       "Asset Category": "Other",
       "Identifier": "BREADUMMY",
-      "Market Value": "$479,104.53",
+      "Market Value": "$492,053.30",
       "Name": "BRERA HOLDINGS PLC WTS",
       "Shares Held": "431,626",
       "Ticker": "",
diff --git a/api/ark/funds/ARKK/meta.json b/api/ark/funds/ARKK/meta.json
index 4b4f426..b19c103 100644
--- a/api/ark/funds/ARKK/meta.json
+++ b/api/ark/funds/ARKK/meta.json
@@ -1,10 +1,10 @@
 {
-  "asOfDate": "Oct 09 2026",
+  "asOfDate": "Oct 12 2026",
   "aum": "$7,917 Million",
   "aumValue": 7917000000,
   "category": "Thematic Equity",
-  "closePrice": "$89.62",
-  "closePriceValue": 89.62,
+  "closePrice": "$88.02",
+  "closePriceValue": 88.02,
   "dataFile": "funds/ARKK/meta.json",
   "distributions": {
     "dividend": "$0.3640",
@@ -48,9 +48,9 @@
   },
   "exchange": "Cboe BZX",
   "fundPage": "https://www.ark-funds.com/funds/arkk",
-  "generatedAt": "2026-10-13T01:36:40Z",
+  "generatedAt": "2026-10-13T06:18:28Z",
   "history": {
-    "asOfDate": "Oct 09 2026",
+    "asOfDate": "Oct 12 2026",
     "headers": [
       "Date",
       "NAV",
@@ -65,10 +65,10 @@
       "history/004.json"
     ],
     "source": "official ARK Invest daily NAV and market-price history API",
-    "totalRows": 3002
+    "totalRows": 3003
   },
   "holdings": {
-    "asOfDate": "Oct 12 2026",
+    "asOfDate": "Oct 13 2026",
     "headers": [
       "Name",
       "Ticker",
@@ -110,10 +110,10 @@
     "performanceAsOf": "2026-09-30"
   },
   "name": "ARK Innovation ETF",
-  "nav": "$89.63",
-  "navValue": 89.63,
-  "premiumDiscount": "-0.0112%",
-  "premiumDiscountValue": -0.0112,
+  "nav": "$88.02",
+  "navValue": 88.02,
+  "premiumDiscount": "0.0000%",
+  "premiumDiscountValue": 0,
   "returns": {
     "monthEnd": {
       "asOfDate": "Sep 30 2026",
@@ -147,7 +147,7 @@
     "fundPage": "https://www.ark-funds.com/funds/arkk",
     "historyApi": "https://www.ark-funds.com/api/fund/nav-historical-change/1004?headingText=NAV+Historical+Change&overviewText=NAV+and+Market+Price",
     "historySource": "official ARK Invest daily NAV and market-price history API",
-    "holdingsAsOfDate": "2026-10-12",
+    "holdingsAsOfDate": "2026-10-13",
     "holdingsCsv": "https://assets.ark-funds.com/fund-documents/funds-etf-csv/ARK_INNOVATION_ETF_ARKK_HOLDINGS.csv",
     "holdingsDateBasis": "official holdings CSV date column",
     "holdingsSource": "official ARK daily holdings CSV",
diff --git a/api/ark/index.json b/api/ark/index.json
index 4cd9535..183cdf6 100644
--- a/api/ark/index.json
+++ b/api/ark/index.json
@@ -22,7 +22,7 @@
   },
   "counts": {
     "funds": 14,
-    "history": 21553,
+    "history": 21554,
     "holdings": 417
   },
   "funds": [
@@ -465,12 +465,12 @@
       "ticker": "ARKI"
     },
     {
-      "asOfDate": "Oct 09 2026",
+      "asOfDate": "Oct 12 2026",
       "aum": "$7,917 Million",
       "aumValue": 7917000000,
       "category": "Thematic Equity",
-      "closePrice": "$89.62",
-      "closePriceValue": 89.62,
+      "closePrice": "$88.02",
+      "closePriceValue": 88.02,
       "cusip": "00214Q104",
       "dataFile": "funds/ARKK/meta.json",
       "distributions": {
@@ -480,7 +480,7 @@
       },
       "exchange": "Cboe BZX",
       "fundPage": "https://www.ark-funds.com/funds/arkk",
-      "history": 3002,
+      "history": 3003,
       "holdings": 46,
       "inceptionDate": "Oct 31 2014",
       "isin": "US00214Q1040",
@@ -503,10 +503,10 @@
         "performanceAsOf": "2026-09-30"
       },
       "name": "ARK Innovation ETF",
-      "nav": "$89.63",
-      "navValue": 89.63,
-      "premiumDiscount": "-0.0112%",
-      "premiumDiscountValue": -0.0112,
+      "nav": "$88.02",
+      "navValue": 88.02,
+      "premiumDiscount": "0.0000%",
+      "premiumDiscountValue": 0,
       "returns": {
         "monthEnd": {
           "asOfDate": "Sep 30 2026",
@@ -1049,5 +1049,5 @@
       "ticker": "PRNT"
     }
   ],
-  "generatedAt": "2026-10-13T01:36:49Z"
+  "generatedAt": "2026-10-13T06:18:28Z"
 }
diff --git a/scripts/update-data.test.ts b/scripts/update-data.test.ts
index e1d8369..c29d0b4 100644
--- a/scripts/update-data.test.ts
+++ b/scripts/update-data.test.ts
@@ -700,6 +700,34 @@ describe('pipeline', () => {
     });
   });
 
+  test('two runs on the same source data write zero changes even when Yahoo adjusted closes jitter across a cent boundary', async () => {
+    await withTempRoot(async (root) => {
+      // Yahoo float32 noise seen live: AAM SPDV 2024-11-12 came back as 31.544998 and 31.545001 a minute apart
+      const jittered = (tail: number[]) => ({
+        ...clientsFor({}),
+        yahoo: async (url: string) => {
+          const payload: any = yahooPayload(4);
+          const adjclose: number[] = payload.chart.result[0].indicators.adjclose[0].adjclose;
+          payload.chart.result[0].indicators.adjclose = [{ adjclose: adjclose.map((value, i) => (i >= adjclose.length - tail.length ? tail[i - adjclose.length + tail.length] : value)) }];
+          return respondWith(JSON.stringify(payload), url);
+        },
+      });
+      // Yahoo history is the fallback when the issuer is skipped: the history pages carry Adj Close
+      const env = { TICKERS: 'ARKK', SKIP_ARK: '1', EDGAR_FALLBACK: '0' };
+      const files = () => Promise.all(['meta.json', 'history/001.json'].map((name) => readFile(join(root, 'funds', 'ARKK', name), 'utf8')));
+      await run(root, env, jittered([23.915001, 24.984999, 25.995001]));
+      const first = await files();
+      const index = await readFile(join(root, 'index.json'), 'utf8');
+      expect(JSON.parse(first[1]).headers).toEqual(['Date', 'Close', 'Adj Close', 'Volume']);
+      await run(root, env, jittered([23.914998, 24.985002, 25.994999]));
+      expect(await files()).toEqual(first);
+      expect(await readFile(join(root, 'index.json'), 'utf8')).toBe(index);
+      // a real change beyond the noise is still written
+      await run(root, env, jittered([23.9, 24.97, 25.98]));
+      expect(JSON.parse((await files())[1]).rows.slice(-3).map((row: any) => row['Adj Close'])).toEqual(['23.90', '24.97', '25.98']);
+    });
+  });
+
   test('a failed source keeps the whole fund as published: CSV (never an older N-PORT) and performance', async () => {
     await withTempRoot(async (root) => {
       await update(root, {});
diff --git a/scripts/update-data.ts b/scripts/update-data.ts
index 4ff286a..27f2c7e 100755
--- a/scripts/update-data.ts
+++ b/scripts/update-data.ts
@@ -281,7 +281,8 @@ export type ParsedHoldings = {
   sourceKind: 'official ARK daily holdings CSV' | 'official ARKY structured-note holdings CSV';
 };
 export type ArkDailyPoint = { date: string; nav: number | null; marketPrice: number | null; premiumDiscount: number | null };
-export type YahooPricePoint = { date: string; close: number | null; adjClose: number | null; volume: number | null };
+// adjCloseRaw: Yahoo's unrounded value, only used to tell float noise from a real change (never persisted).
+export type YahooPricePoint = { date: string; close: number | null; adjClose: number | null; volume: number | null; adjCloseRaw?: number | null };
 export type YahooDividend = { date: string; amount: number };
 export type YahooChart = {
   points: YahooPricePoint[];
@@ -874,6 +875,7 @@ export function parseYahooChart(payload: unknown): YahooChart {
       // Yahoo recomputes adjusted-close values, so persist the stable two-decimal value.
       adjClose: adjRaw === null ? null : round(adjRaw, 2),
       volume: numberOrNull(quoteVolume[index]),
+      adjCloseRaw: adjRaw,
     });
   }
   points.sort((a, b) => a.date.localeCompare(b.date));
@@ -2056,8 +2058,28 @@ function buildHistoryRows(points: ArkDailyPoint[]): JsonRecord[] {
   }));
 }
 
-function buildYahooHistoryRows(chart: YahooChart): JsonRecord[] {
-  return chart.points.map((point) => ({
+// Yahoo's adjusted close is float32 and its last digits move with the request's period2, so a value
+// sitting on a cent boundary (31.544998 vs 31.545001) flips between runs. Within that noise the
+// published cent is kept: a rerun with the same source data changes nothing. Close and Volume
+// update as usual; a real change beyond the noise is written.
+export const ADJ_CLOSE_NOISE = 1e-4;
+export function keepPublishedAdjClose(points: YahooPricePoint[], published: { headers: string[]; rows: JsonRecord[] }): YahooPricePoint[] {
+  if (published.headers.join('|') !== YAHOO_HISTORY_HEADERS.join('|')) return points;
+  const cents = new Map<string, number>();
+  for (const row of published.rows) {
+    const date = toIsoDate(row.Date);
+    const value = numberOrNull(row['Adj Close']);
+    if (date && value !== null) cents.set(date, value);
+  }
+  return points.map((point) => {
+    const prior = cents.get(point.date);
+    const raw = point.adjCloseRaw ?? point.adjClose;
+    return prior !== undefined && raw !== null && prior !== point.adjClose && Math.abs(raw - prior) <= 0.005 + ADJ_CLOSE_NOISE ? { ...point, adjClose: prior } : point;
+  });
+}
+
+function buildYahooHistoryRows(points: YahooPricePoint[]): JsonRecord[] {
+  return points.map((point) => ({
     Date: displayDate(point.date),
     Close: point.close === null ? '' : point.close.toFixed(2),
     'Adj Close': point.adjClose === null ? '' : point.adjClose.toFixed(2),
@@ -2443,7 +2465,7 @@ export async function updateArkFund(
   }
   if (!config.skipYahoo && !yahoo) failedSources.push('Yahoo chart');
 
-  const yahooPoints = yahoo?.points ?? [];
+  const yahooPoints = keepPublishedAdjClose(yahoo?.points ?? [], previousHistory);
   const yahooHistoryHeaders: readonly string[] = YAHOO_HISTORY_HEADERS;
   const previousIsOfficialHistory = previousHistory.rows.length > 0 && previousHistory.headers.join('|') !== yahooHistoryHeaders.join('|');
   let historyRows: JsonRecord[] = [];
@@ -2467,7 +2489,7 @@ export async function updateArkFund(
     onNote(`[ ${'history'.padEnd(9)}] ${fund.ticker} retaining ${historyRows.length} previously published history rows`);
   } else if (yahoo && yahooPoints.length) {
     historyHeaders = yahooHistoryHeaders;
-    historyRows = mergeHistoryRows(previousHistory, historyHeaders, buildYahooHistoryRows(yahoo));
+    historyRows = mergeHistoryRows(previousHistory, historyHeaders, buildYahooHistoryRows(yahooPoints));
     historyAsOfDate = yahooPoints[yahooPoints.length - 1].date;
     historySource = 'Yahoo Finance daily adjusted-close fallback';
   } else if (previousHistory.rows.length) {