diff --git a/lib/addons/prototypes/analytics.js b/lib/addons/prototypes/analytics.js
index d89c288..b824116 100644
--- a/lib/addons/prototypes/analytics.js
+++ b/lib/addons/prototypes/analytics.js
@@ -23,7 +23,7 @@ class OptablePrebidAnalytics {
     this.auctions = {};
     this.maxAuctionDataSize = 20;
 
-    sessionStorage.optableSessionDepth = (Number(sessionStorage?.optableSessionDepth) || 0) + 1;
+    sessionStorage.optableSessionDepthIndex = (Number(sessionStorage?.optableSessionDepthIndex) || 0) + 1;
 
     this.log("OptablePrebidAnalytics initialized");
   }
@@ -103,7 +103,7 @@ class OptablePrebidAnalytics {
   async trackAuctionEnd(event, missed) {
     const { auctionId, timeout, bidderRequests = [], bidsReceived = [], noBids = [], timeoutBids = [] } = event;
 
-    window.optable.pageAuctionsCount = (Number(window.optable.pageAuctionsCount) || 0) + 1;
+    window.optable.pageAuctionIndex = (Number(window.optable.pageAuctionIndex) || 0) + 1;
 
     this.log(`Processing auction ${auctionId} with ${bidderRequests.length} bidder requests`);
 
@@ -279,8 +279,8 @@ class OptablePrebidAnalytics {
         tenant: this.config.tenant,
         optableWrapperVersion: SDK_WRAPPER_VERSION, // eslint-disable-line no-undef
         prebidjsVersion: this.prebidInstance?.version || "unknown",
-        sessionDepth: sessionStorage?.optableSessionDepth || 1,
-        pageAuctionsCount: window.optable?.pageAuctionsCount || 1,
+        sessionDepth: sessionStorage?.optableSessionDepthIndex || 1,
+        pageAuctionsCount: window.optable?.pageAuctionIndex || 1,
       };
       // Log summary with bid counts
       this.log(