diff --git a/lib/addons/prebid/analytics.test.ts b/lib/addons/prebid/analytics.test.ts
index cd457c41..a827c1cc 100644
--- a/lib/addons/prebid/analytics.test.ts
+++ b/lib/addons/prebid/analytics.test.ts
@@ -543,6 +543,40 @@ describe("OptablePrebidAnalytics", () => {
       );
     });
 
+    it("should report not missed but not loaded when a replayed auction carries Optable sources", async () => {
+      const auctionEndEvent = {
+        auctionId: "auction-replayed-cache-read",
+        timeout: 3000,
+        bidderRequests: [
+          {
+            bidderCode: "bidder1",
+            bidderRequestId: "req-1",
+            ortb2: {
+              site: { domain: "example.com" },
+              user: {
+                eids: [{ inserter: "optable.co", matcher: "matcher1", source: "source1" }],
+              },
+            },
+            bids: [],
+          },
+        ],
+        bidsReceived: [],
+        noBids: [],
+        timeoutBids: [],
+      };
+
+      await analytics.trackAuctionEnd(auctionEndEvent, true);
+      await jest.runAllTimersAsync();
+
+      expect(mockOptableInstance.witness).toHaveBeenCalledWith(
+        "optable.prebid.auction",
+        expect.objectContaining({
+          missed: false,
+          optableLoaded: false,
+        })
+      );
+    });
+
     it("should accumulate multiple bidWon events and emit one witness with an array", async () => {
       const auctionId = "auction-multi-unit";
       const auctionEndEvent = {
@@ -1132,6 +1166,51 @@ describe("OptablePrebidAnalytics", () => {
       analytics = new OptablePrebidAnalytics(mockOptableInstance);
     });
 
+    it("should not mark a replayed auction as missed when Optable sources are present", async () => {
+      const auctionEndEvent = {
+        auctionId: "auction-replayed-with-cache",
+        bidderRequests: [
+          {
+            bidderCode: "bidder1",
+            bidderRequestId: "req-1",
+            ortb2: {
+              site: { domain: "example.com" },
+              user: {
+                eids: [{ inserter: "optable.co", matcher: "matcher1", source: "source1" }],
+              },
+            },
+            bids: [],
+          },
+        ],
+        bidsReceived: [],
+        noBids: [],
+      };
+
+      const result = await analytics.toWitness(auctionEndEvent, [], true);
+
+      expect(result.missed).toBe(false);
+    });
+
+    it("should keep a replayed auction as missed when no Optable sources are present", async () => {
+      const auctionEndEvent = {
+        auctionId: "auction-replayed-no-cache",
+        bidderRequests: [
+          {
+            bidderCode: "bidder1",
+            bidderRequestId: "req-1",
+            ortb2: { site: { domain: "example.com" } },
+            bids: [],
+          },
+        ],
+        bidsReceived: [],
+        noBids: [],
+      };
+
+      const result = await analytics.toWitness(auctionEndEvent, [], true);
+
+      expect(result.missed).toBe(true);
+    });
+
     it("should handle multiple bidder requests", async () => {
       const auctionEndEvent = {
         auctionId: "auction-multi",
diff --git a/lib/addons/prebid/analytics.ts b/lib/addons/prebid/analytics.ts
index bec0197c..cd4190b8 100644
--- a/lib/addons/prebid/analytics.ts
+++ b/lib/addons/prebid/analytics.ts
@@ -483,7 +483,7 @@ class OptablePrebidAnalytics {
         adUnitCode: e.adUnitCode,
         cpm: e.cpm,
       })),
-      missed,
+      missed: missed && oSourcesSet.size === 0,
       url: `${window.location.hostname}${window.location.pathname}`,
       tenant: this.optableInstance?.dcn?.node ?? "unknown",
       // eslint-disable-next-line no-undef
diff --git a/lib/addons/prototypes/analytics.js b/lib/addons/prototypes/analytics.js
index fbdf4f1e..db300ae3 100644
--- a/lib/addons/prototypes/analytics.js
+++ b/lib/addons/prototypes/analytics.js
@@ -274,7 +274,7 @@ class OptablePrebidAnalytics {
         optableMatchers: Array.from(oMatchersSet),
         optableSources: Array.from(oSourcesSet),
         liveintentEIDs: Array.from(lSourcesSet),
-        missed,
+        missed: missed && oSourcesSet.size === 0,
         url: `${window.location.hostname}${window.location.pathname}`,
         tenant: this.config.tenant,
         optableWrapperVersion: SDK_WRAPPER_VERSION, // eslint-disable-line no-undef
diff --git a/lib/addons/prototypes/analytics.missed.test.js b/lib/addons/prototypes/analytics.missed.test.js
new file mode 100644
index 00000000..6dd548dd
--- /dev/null
+++ b/lib/addons/prototypes/analytics.missed.test.js
@@ -0,0 +1,41 @@
+import OptablePrebidAnalytics from "./analytics";
+
+global.SDK_WRAPPER_VERSION = "1.0.0-test";
+
+function bidderRequest(bidderCode, sources) {
+  return {
+    bidderCode,
+    bidderRequestId: `br-${bidderCode}`,
+    ortb2: {
+      user: { ext: { eids: sources.map((source) => ({ source, inserter: "optable.co", uids: [{ id: "x" }] })) } },
+    },
+    bids: [{ bidId: `bid-${bidderCode}`, adUnitCode: "slot-1" }],
+  };
+}
+
+async function run(sources, missed) {
+  const witness = jest.fn().mockResolvedValue(undefined);
+  const analytics = new OptablePrebidAnalytics({ witness }, { analytics: true, tenant: "t" });
+  await analytics.trackAuctionEnd({ auctionId: "a-1", bidderRequests: [bidderRequest("a", sources)] }, missed);
+  return JSON.parse(witness.mock.calls[0][1].auction);
+}
+
+beforeEach(() => {
+  window.optable = {};
+});
+
+describe("missed", () => {
+  test("false when the hook attached before the auction", async () => {
+    expect((await run([], false)).missed).toBe(false);
+  });
+
+  test("false when the hook attached late but Optable sources are present", async () => {
+    const p = await run(["uidapi.com"], true);
+    expect(p.optableSources).toEqual(["uidapi.com"]);
+    expect(p.missed).toBe(false);
+  });
+
+  test("true when the hook attached late and no Optable sources are present", async () => {
+    expect((await run([], true)).missed).toBe(true);
+  });
+});