diff --git a/lib/public-stats.js b/lib/public-stats.js
index f595c142..1964cac5 100644
--- a/lib/public-stats.js
+++ b/lib/public-stats.js
@@ -29,6 +29,7 @@ export const updatePublicStats = async ({ createPgClient, committees, allMeasure
     await updateRetrievalTimings(pgClient, committees)
     await updateDailyClientRetrievalStats(pgClient, committees, findDealClients)
     await updateDailyAllocatorRetrievalStats(pgClient, committees, findDealAllocators)
+    await updateDailyMinerDealsChecked(pgClient, committees)
   } finally {
     await pgClient.end()
   }
@@ -394,3 +395,67 @@ function buildPerPartyStats (committees, perDealParty, partyName) {
   )
   return flatStats
 }
+
+/**
+ * @param {pg.Client} pgClient
+ * @param {Iterable<Committee>} committees
+ */
+const updateDailyMinerDealsChecked = async (pgClient, committees) => {
+  /** @type {Map<string, Set<string>>} */
+  const minerPayloadCids = new Map()
+
+  for (const c of committees) {
+    const { minerId, cid } = c.retrievalTask
+
+    let payloadCids = minerPayloadCids.get(minerId)
+    if (!payloadCids) {
+      payloadCids = new Set()
+      minerPayloadCids.set(minerId, payloadCids)
+    }
+
+    payloadCids.add(cid)
+  }
+
+  // Convert the map to arrays for the query
+  const flatStats = Array.from(minerPayloadCids.entries()).map(
+    // eslint-disable-next-line camelcase
+    ([minerId, payloadCids]) => ({
+      miner_id: minerId,
+      payload_cids: Array.from(payloadCids)
+    })
+  )
+
+  if (debug.enabled) {
+    debug(
+      'Updating public stats - daily miner deals checked: miners count = %s, total payload CIDs = %s',
+      flatStats.length,
+      flatStats.reduce((sum, stat) => sum + stat.payload_cids.length, 0)
+    )
+  }
+
+  if (flatStats.length === 0) {
+    debug('No miner deals to record')
+    return
+  }
+
+  await pgClient.query(`
+    INSERT INTO daily_miner_deals_checked (
+      day,
+      miner_id,
+      payload_cids
+    )
+    SELECT
+      now(),
+      miner_id,
+      payload_cids
+    FROM jsonb_to_recordset($1::jsonb) AS t (miner_id text, payload_cids text[])
+    ON CONFLICT(day, miner_id) DO UPDATE SET
+      payload_cids = array(
+        SELECT DISTINCT unnest(
+          array_cat(daily_miner_deals_checked.payload_cids, EXCLUDED.payload_cids)
+        )
+      )
+  `, [
+    JSON.stringify(flatStats)
+  ])
+}
diff --git a/migrations/026.do.daily-miner-deals-checked.sql b/migrations/026.do.daily-miner-deals-checked.sql
new file mode 100644
index 00000000..ec84a9eb
--- /dev/null
+++ b/migrations/026.do.daily-miner-deals-checked.sql
@@ -0,0 +1,6 @@
+CREATE TABLE daily_miner_deals_checked (
+  day DATE NOT NULL,
+  miner_id TEXT NOT NULL,
+  payload_cids TEXT[] NOT NULL,
+  PRIMARY KEY (day, miner_id)
+);
\ No newline at end of file
diff --git a/test/public-stats.test.js b/test/public-stats.test.js
index 2b61d693..f965c274 100644
--- a/test/public-stats.test.js
+++ b/test/public-stats.test.js
@@ -31,6 +31,7 @@ describe('public-stats', () => {
     await pgClient.query('DELETE FROM retrieval_timings')
     await pgClient.query('DELETE FROM daily_client_retrieval_stats')
     await pgClient.query('DELETE FROM daily_allocator_retrieval_stats')
+    await pgClient.query('DELETE FROM daily_miner_deals_checked')
 
     // Run all tests inside a transaction to ensure `now()` always returns the same value
     // See https://dba.stackexchange.com/a/63549/125312
@@ -1170,6 +1171,133 @@ describe('public-stats', () => {
     })
   })
 
+  describe('updateDailyMinerDealsChecked', () => {
+    it('collects payload CIDs per miner', async () => {
+      /** @type {Measurement[]} */
+      const honestMeasurements = [
+        { ...VALID_MEASUREMENT, minerId: 'f1first', cid: 'cidone' },
+        { ...VALID_MEASUREMENT, minerId: 'f1first', cid: 'cidtwo' },
+        { ...VALID_MEASUREMENT, minerId: 'f1second', cid: 'cidone' },
+        { ...VALID_MEASUREMENT, minerId: 'f1second', cid: 'cidthree' }
+      ]
+      const allMeasurements = honestMeasurements
+      const committees = buildEvaluatedCommitteesFromMeasurements(honestMeasurements)
+
+      await updatePublicStats({
+        createPgClient,
+        committees,
+        allMeasurements,
+        findDealClients: (_minerId, _cid) => ['f0client'],
+        findDealAllocators: (_minerId, _cid) => ['f0allocator']
+      })
+
+      const { rows: created } = await pgClient.query(
+        'SELECT day::TEXT, miner_id, payload_cids FROM daily_miner_deals_checked ORDER BY miner_id'
+      )
+      assert.deepStrictEqual(created, [
+        { day: today, miner_id: 'f1first', payload_cids: ['cidone', 'cidtwo'] },
+        { day: today, miner_id: 'f1second', payload_cids: ['cidone', 'cidthree'] }
+      ])
+    })
+
+    it('handles duplicate CIDs correctly', async () => {
+      /** @type {Measurement[]} */
+      const honestMeasurements = [
+        { ...VALID_MEASUREMENT, minerId: 'f1miner', cid: 'cidone' },
+        { ...VALID_MEASUREMENT, minerId: 'f1miner', cid: 'cidone' }, // duplicate
+        { ...VALID_MEASUREMENT, minerId: 'f1miner', cid: 'cidtwo' }
+      ]
+      const allMeasurements = honestMeasurements
+      const committees = buildEvaluatedCommitteesFromMeasurements(honestMeasurements)
+
+      await updatePublicStats({
+        createPgClient,
+        committees,
+        allMeasurements,
+        findDealClients: (_minerId, _cid) => ['f0client'],
+        findDealAllocators: (_minerId, _cid) => ['f0allocator']
+      })
+
+      const { rows: created } = await pgClient.query(
+        'SELECT day::TEXT, miner_id, payload_cids FROM daily_miner_deals_checked'
+      )
+      assert.deepStrictEqual(created, [
+        { day: today, miner_id: 'f1miner', payload_cids: ['cidone', 'cidtwo'] }
+      ])
+    })
+
+    it('updates existing records by merging CID arrays', async () => {
+      // First, create an initial record
+      {
+        /** @type {Measurement[]} */
+        const honestMeasurements = [
+          { ...VALID_MEASUREMENT, minerId: 'f1miner', cid: 'cidone' }
+        ]
+        const allMeasurements = honestMeasurements
+        const committees = buildEvaluatedCommitteesFromMeasurements(honestMeasurements)
+
+        await updatePublicStats({
+          createPgClient,
+          committees,
+          allMeasurements,
+          findDealClients: (_minerId, _cid) => ['f0client'],
+          findDealAllocators: (_minerId, _cid) => ['f0allocator']
+        })
+
+        const { rows: created } = await pgClient.query(
+          'SELECT day::TEXT, miner_id, payload_cids FROM daily_miner_deals_checked'
+        )
+        assert.deepStrictEqual(created, [
+          { day: today, miner_id: 'f1miner', payload_cids: ['cidone'] }
+        ])
+      }
+
+      // Now update with additional CIDs
+      {
+        /** @type {Measurement[]} */
+        const honestMeasurements = [
+          { ...VALID_MEASUREMENT, minerId: 'f1miner', cid: 'cidone' }, // duplicate - should be ignored
+          { ...VALID_MEASUREMENT, minerId: 'f1miner', cid: 'cidtwo' } // new CID
+        ]
+        const allMeasurements = honestMeasurements
+        const committees = buildEvaluatedCommitteesFromMeasurements(honestMeasurements)
+
+        await updatePublicStats({
+          createPgClient,
+          committees,
+          allMeasurements,
+          findDealClients: (_minerId, _cid) => ['f0client'],
+          findDealAllocators: (_minerId, _cid) => ['f0allocator']
+        })
+
+        const { rows: updated } = await pgClient.query(
+          'SELECT day::TEXT, miner_id, payload_cids FROM daily_miner_deals_checked'
+        )
+        assert.deepStrictEqual(updated, [
+          { day: today, miner_id: 'f1miner', payload_cids: ['cidone', 'cidtwo'] }
+        ])
+      }
+    })
+
+    it('handles empty committees gracefully', async () => {
+      const committees = []
+      const allMeasurements = []
+
+      await updatePublicStats({
+        createPgClient,
+        committees,
+        allMeasurements,
+        findDealClients: (_minerId, _cid) => ['f0client'],
+        findDealAllocators: (_minerId, _cid) => ['f0allocator']
+      })
+
+      const { rows: created } = await pgClient.query(
+        'SELECT * FROM daily_miner_deals_checked'
+      )
+      assert.deepStrictEqual(created, [])
+    })
+  })
+
   const getCurrentDate = async () => {
     const { rows: [{ today }] } = await pgClient.query('SELECT now()::DATE::TEXT as today')
     return today