diff --git a/package-lock.json b/package-lock.json
index 1d4e89e..26e988f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.66-rc2",
+  "version": "0.20.69",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.20.66-rc2",
+      "version": "0.20.69",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
diff --git a/package.json b/package.json
index b549948..3b5722a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.68",
+  "version": "0.20.69",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/services/Indexer/index.ts b/src/services/Indexer/index.ts
index bcdfaca..3a4bb1e 100644
--- a/src/services/Indexer/index.ts
+++ b/src/services/Indexer/index.ts
@@ -94,6 +94,7 @@ class IndexerService {
     this.veORNInfo = this.veORNInfo.bind(this);
     this.listAmount = this.listAmount.bind(this);
     this.getAmountByORN = this.getAmountByORN.bind(this);
+    this.getAmountAt = this.getAmountAt.bind(this);
     this.getAmountAtCurrent = this.getAmountAtCurrent.bind(this);
     this.getVotingInfo = this.getVotingInfo.bind(this);
   }
@@ -117,6 +118,16 @@ class IndexerService {
     });
   };
 
+  readonly getAmountAt = (amount: number, timestamp?: number): BigNumber => {
+    const currentTime = Date.now() / 1000;
+
+    // sqrt
+    return BigNumber(amount).dividedBy(this.getK(timestamp ?? currentTime));
+  };
+
+  /**
+     * @deprecated In favor of getAmountAt
+  */
   readonly getAmountAtCurrent = (amount: number): BigNumber => {
     const timestamp = Date.now() / 1000;