diff --git a/.pnp.cjs b/.pnp.cjs
index 269916f1b91..b1f2b434404 100644
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -6450,6 +6450,7 @@ const RAW_RUNTIME_STATE =
           ["@types/node", "npm:22.14.1"],\
           ["@types/sinonjs__fake-timers", "npm:8.1.5"],\
           ["@types/supertest", "npm:2.0.16"],\
+          ["date-fns", "npm:4.1.0"],\
           ["mock-socket", "npm:9.3.1"],\
           ["nock", "npm:13.5.6"],\
           ["supertest", "npm:6.2.4"],\
diff --git a/packages/composites/market-status/package.json b/packages/composites/market-status/package.json
index 3bfc41274ed..f08aa3d20b3 100644
--- a/packages/composites/market-status/package.json
+++ b/packages/composites/market-status/package.json
@@ -41,6 +41,7 @@
   },
   "dependencies": {
     "@chainlink/external-adapter-framework": "2.16.1",
+    "date-fns": "^4.1.0",
     "tslib": "2.4.1"
   }
 }
diff --git a/packages/composites/market-status/src/source/data/nyse-245.json b/packages/composites/market-status/src/source/data/nyse-245.json
new file mode 100644
index 00000000000..6b22acf5ad7
--- /dev/null
+++ b/packages/composites/market-status/src/source/data/nyse-245.json
@@ -0,0 +1,178 @@
+{
+  "timezone": "America/New_York",
+  "weekly": [
+    {
+      "status": "WEEKEND",
+      "when": [
+        {
+          "days": ["FRIDAY"],
+          "times": [
+            {
+              "start": "20:00:00",
+              "end": "24:00:00"
+            }
+          ]
+        },
+        {
+          "days": ["SATURDAY"],
+          "times": [
+            {
+              "start": "00:00:00",
+              "end": "24:00:00"
+            }
+          ]
+        },
+        {
+          "days": ["SUNDAY"],
+          "times": [
+            {
+              "start": "00:00:00",
+              "end": "20:00:00"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "status": "PRE_MARKET",
+      "when": [
+        {
+          "days": ["MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY"],
+          "times": [
+            {
+              "start": "04:00:00",
+              "end": "09:30:00"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "status": "REGULAR",
+      "when": [
+        {
+          "days": ["MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY"],
+          "times": [
+            {
+              "start": "09:30:00",
+              "end": "16:00:00"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "status": "POST_MARKET",
+      "when": [
+        {
+          "days": ["MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY"],
+          "times": [
+            {
+              "start": "16:00:00",
+              "end": "20:00:00"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "status": "OVERNIGHT",
+      "when": [
+        {
+          "days": ["MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY"],
+          "times": [
+            {
+              "start": "00:00:00",
+              "end": "04:00:00"
+            },
+            {
+              "start": "20:00:00",
+              "end": "24:00:00"
+            }
+          ]
+        },
+        {
+          "days": ["SUNDAY"],
+          "times": [
+            {
+              "start": "00:00:00",
+              "end": "04:00:00"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "exceptions": [
+    {
+      "status": "WEEKEND",
+      "start": "2026-01-18 20:00:00",
+      "end": "2026-01-19 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-02-15 20:00:00",
+      "end": "2026-02-16 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-02-15 20:00:00",
+      "end": "2026-02-16 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-04-02 20:00:00",
+      "end": "2026-04-03 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-05-24 20:00:00",
+      "end": "2026-05-25 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-06-18 20:00:00",
+      "end": "2026-06-19 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-07-02 20:00:00",
+      "end": "2026-07-03 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-09-06 20:00:00",
+      "end": "2026-09-07 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-11-25 20:00:00",
+      "end": "2026-11-26 20:00:00"
+    },
+    {
+      "status": "POST_MARKET",
+      "start": "2026-11-27 13:00:00",
+      "end": "2026-11-27 17:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-11-27 17:00:00",
+      "end": "2026-11-27 20:00:00"
+    },
+    {
+      "status": "POST_MARKET",
+      "start": "2026-12-24 13:00:00",
+      "end": "2026-12-24 17:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-12-24 17:00:00",
+      "end": "2026-12-25 20:00:00"
+    },
+    {
+      "status": "WEEKEND",
+      "start": "2026-12-31 20:00:00",
+      "end": "2027-01-01 20:00:00"
+    }
+  ]
+}
diff --git a/packages/composites/market-status/src/source/static-nyse-245.ts b/packages/composites/market-status/src/source/static-nyse-245.ts
index 3412e676566..a4576fe3dec 100644
--- a/packages/composites/market-status/src/source/static-nyse-245.ts
+++ b/packages/composites/market-status/src/source/static-nyse-245.ts
@@ -1,6 +1,8 @@
 import { TwentyfourFiveMarketStatus } from '@chainlink/external-adapter-framework/adapter'
 import { isWeekendNow } from '@chainlink/external-adapter-framework/validation/market-status'
 import { TZDate } from '@date-fns/tz'
+import { addHours, format, parse, startOfDay } from 'date-fns'
+import scheduleData from './data/nyse-245.json'
 import { HALF_HOUR, HOUR, Month, tzDate } from './utils'
 
 const TZ = 'America/New_York'
@@ -74,6 +76,60 @@ const HOLIDAY_SCHEDULE = [
 ]
 
 export const getStatus = (weekend?: string) => {
+  const oldStatus = getStatusOld(weekend)
+  const newStatus = getStatusNew()
+  if (oldStatus.marketStatus !== newStatus) {
+    const now = TZDate.tz(TZ)
+    throw new Error(
+      `Market status mismatch on ${now.toString()} between old and new logic: old=${
+        oldStatus.statusString
+      }, new=${TwentyfourFiveMarketStatus[newStatus]}`,
+    )
+  }
+  return oldStatus
+}
+
+const parseTime = (time: string, date: TZDate): TZDate => {
+  if (time === '24:00:00') {
+    const startOfDate = startOfDay(date)
+    return addHours(startOfDate, 24)
+  }
+  return parse(time, 'HH:mm:ss', date)
+}
+
+const getStatusNew = () => {
+  const timezone = scheduleData.timezone
+  const now = TZDate.tz(timezone)
+  const nowFormatted = format(now, 'yyyy-MM-dd HH:mm:ss')
+
+  for (const e of scheduleData.exceptions) {
+    if (e.start <= nowFormatted && nowFormatted < e.end) {
+      return TwentyfourFiveMarketStatus[e.status as keyof typeof TwentyfourFiveMarketStatus]
+    }
+  }
+
+  const dayOfWeek = format(now, 'EEEE').toUpperCase()
+  for (const weekly of scheduleData.weekly) {
+    for (const when of weekly.when) {
+      if (!when.days.includes(dayOfWeek)) {
+        continue
+      }
+      for (const times of when.times) {
+        const startTime = parseTime(times.start, now)
+        const endTime = parseTime(times.end, now)
+        if (startTime <= now && now < endTime) {
+          return TwentyfourFiveMarketStatus[
+            weekly.status as keyof typeof TwentyfourFiveMarketStatus
+          ]
+        }
+      }
+    }
+  }
+
+  throw new Error(`No market status found for current time: ${nowFormatted}`)
+}
+
+const getStatusOld = (weekend?: string) => {
   const now = TZDate.tz(TZ)
 
   const holiday = HOLIDAY_SCHEDULE.find(
diff --git a/yarn.lock b/yarn.lock
index 0c0ce34c966..ecd64901043 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3960,6 +3960,7 @@ __metadata:
     "@types/node": "npm:22.14.1"
     "@types/sinonjs__fake-timers": "npm:8.1.5"
     "@types/supertest": "npm:2.0.16"
+    date-fns: "npm:^4.1.0"
     mock-socket: "npm:9.3.1"
     nock: "npm:13.5.6"
     supertest: "npm:6.2.4"