diff --git a/adapters/thetradedesk/thetradedesk.go b/adapters/thetradedesk/thetradedesk.go
index 2fdf227d15d..f22744ffdc2 100644
--- a/adapters/thetradedesk/thetradedesk.go
+++ b/adapters/thetradedesk/thetradedesk.go
@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"net/http"
 	"regexp"
+	"strconv"
+	"strings"
 	"text/template"
 
 	"github.com/prebid/prebid-server/v3/adapters"
@@ -176,6 +178,7 @@ func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest
 		for _, bid := range seatBid.Bid {
 			bid := bid
 
+			resolveAuctionPriceMacros(&bid)
 			bidType, err := getBidType(bid.MType)
 
 			if err != nil {
@@ -232,3 +235,12 @@ func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server co
 		templateEndpoint:       template,
 	}, nil
 }
+
+func resolveAuctionPriceMacros(bid *openrtb2.Bid) {
+	if bid == nil {
+		return
+	}
+	price := strconv.FormatFloat(bid.Price, 'f', -1, 64)
+	bid.NURL = strings.Replace(bid.NURL, "${AUCTION_PRICE}", price, -1)
+	bid.AdM = strings.Replace(bid.AdM, "${AUCTION_PRICE}", price, -1)
+}
diff --git a/adapters/thetradedesk/thetradedesk_test.go b/adapters/thetradedesk/thetradedesk_test.go
index 22fdcebeec4..11ffda30d9f 100644
--- a/adapters/thetradedesk/thetradedesk_test.go
+++ b/adapters/thetradedesk/thetradedesk_test.go
@@ -451,3 +451,147 @@ func TestTheTradeDeskAdapter_BuildEndpoint(t *testing.T) {
 		})
 	}
 }
+
+func TestResolveAuctionPriceMacros(t *testing.T) {
+	tests := []struct {
+		name         string
+		bid          *openrtb2.Bid
+		expectedNURL string
+		expectedAdM  string
+	}{
+		{
+			name: "nil_bid",
+			bid:  nil,
+		},
+		{
+			name: "no_macros",
+			bid: &openrtb2.Bid{
+				Price: 1.23,
+				NURL:  "http://example.com/nurl",
+				AdM:   "<div>Ad content</div>",
+			},
+			expectedNURL: "http://example.com/nurl",
+			expectedAdM:  "<div>Ad content</div>",
+		},
+		{
+			name: "macros_in_both_nurl_and_adm",
+			bid: &openrtb2.Bid{
+				Price: 1.50,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}",
+				AdM:   "<div>Ad content with price ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=1.5",
+			expectedAdM:  "<div>Ad content with price 1.5</div>",
+		},
+		{
+			name: "macro_only_in_nurl",
+			bid: &openrtb2.Bid{
+				Price: 2.75,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}",
+				AdM:   "<div>Ad content</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=2.75",
+			expectedAdM:  "<div>Ad content</div>",
+		},
+		{
+			name: "macro_only_in_adm",
+			bid: &openrtb2.Bid{
+				Price: 0.99,
+				NURL:  "http://example.com/nurl",
+				AdM:   "<div>Price: ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl",
+			expectedAdM:  "<div>Price: 0.99</div>",
+		},
+		{
+			name: "multiple_macros_in_same_field",
+			bid: &openrtb2.Bid{
+				Price: 3.14,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}&backup_price=${AUCTION_PRICE}",
+				AdM:   "<div>Price: ${AUCTION_PRICE}, Backup: ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=3.14&backup_price=3.14",
+			expectedAdM:  "<div>Price: 3.14, Backup: 3.14</div>",
+		},
+		{
+			name: "zero_price",
+			bid: &openrtb2.Bid{
+				Price: 0.0,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}",
+				AdM:   "<div>Price: ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=0",
+			expectedAdM:  "<div>Price: 0</div>",
+		},
+		{
+			name: "very_small_price",
+			bid: &openrtb2.Bid{
+				Price: 0.001,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}",
+				AdM:   "<div>Price: ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=0.001",
+			expectedAdM:  "<div>Price: 0.001</div>",
+		},
+		{
+			name: "large_price",
+			bid: &openrtb2.Bid{
+				Price: 999.999,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}",
+				AdM:   "<div>Price: ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=999.999",
+			expectedAdM:  "<div>Price: 999.999</div>",
+		},
+		{
+			name: "integer_price",
+			bid: &openrtb2.Bid{
+				Price: 5.0,
+				NURL:  "http://example.com/nurl?price=${AUCTION_PRICE}",
+				AdM:   "<div>Price: ${AUCTION_PRICE}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=5",
+			expectedAdM:  "<div>Price: 5</div>",
+		},
+		{
+			name: "empty_nurl_and_adm",
+			bid: &openrtb2.Bid{
+				Price: 1.23,
+				NURL:  "",
+				AdM:   "",
+			},
+			expectedNURL: "",
+			expectedAdM:  "",
+		},
+		{
+			name: "case_sensitive_macro_not_replaced",
+			bid: &openrtb2.Bid{
+				Price: 1.50,
+				NURL:  "http://example.com/nurl?price=${auction_price}",
+				AdM:   "<div>Price: ${Auction_Price}</div>",
+			},
+			expectedNURL: "http://example.com/nurl?price=${auction_price}",
+			expectedAdM:  "<div>Price: ${Auction_Price}</div>",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var testBid *openrtb2.Bid
+			if tt.bid != nil {
+				bidCopy := *tt.bid
+				testBid = &bidCopy
+			}
+
+			resolveAuctionPriceMacros(testBid)
+
+			if tt.bid == nil {
+				assert.Nil(t, testBid)
+				return
+			}
+
+			assert.Equal(t, tt.expectedNURL, testBid.NURL, "NURL should match expected value")
+			assert.Equal(t, tt.expectedAdM, testBid.AdM, "AdM should match expected value")
+		})
+	}
+}
diff --git a/adapters/thetradedesk/thetradedesktest/supplemental/auction-price-macro-replacement.json b/adapters/thetradedesk/thetradedesktest/supplemental/auction-price-macro-replacement.json
new file mode 100644
index 00000000000..2629242b010
--- /dev/null
+++ b/adapters/thetradedesk/thetradedesktest/supplemental/auction-price-macro-replacement.json
@@ -0,0 +1,142 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "site": {
+      "id": "site-id", 
+      "page": "ttd.com",
+      "publisher": {
+        "id": "123456"
+      }
+    },
+    "device": {
+      "os": "android",
+      "ip": "91.199.242.236",
+      "ua": "random user agent"
+    },
+    "imp": [
+      {
+        "id": "test-imp-id", 
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ],
+          "w": 100,
+          "h": 150
+        },
+        "ext": {
+          "bidder": {
+            "publisherId": "123456"
+          }
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://direct.adsrvr.org/bid/bidder/ttd",
+        "headers": {
+          "Content-Type": [
+            "application/json;charset=utf-8"
+          ],
+          "Accept": [
+            "application/json"
+          ]
+        },
+        "body": {
+          "id": "test-request-id",
+          "site": {
+            "id": "site-id",
+            "page": "ttd.com", 
+            "publisher": {
+              "id": "123456"
+            }
+          },
+          "device": {
+            "os": "android",
+            "ip": "91.199.242.236",
+            "ua": "random user agent"
+          },
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "banner": {
+                "format": [
+                  {
+                    "w": 300,
+                    "h": 250
+                  }
+                ],
+                "w": 300,
+                "h": 250
+              },
+              "ext": {
+                "bidder": {
+                  "publisherId": "123456"
+                }
+              }
+            }
+          ]
+        },
+        "impIDs":["test-imp-id"]
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "currency": "USD",
+          "seatbid": [
+            {
+              "bid": [
+                {
+                  "id": "test-slot-id",
+                  "impid": "test-imp-id",
+                  "price": 1.50,
+                  "crid": "creative-123",
+                  "adm": "<iframe src='http://creative-url.ttd.com?price=${AUCTION_PRICE}'></iframe>",
+                  "nurl": "http://win-notification.ttd.com?wp=${AUCTION_PRICE}&id=test-slot-id",
+                  "w": 300,
+                  "h": 250,
+                  "ext": {
+                    "prebid": {
+                      "type": "banner"
+                    }
+                  },
+                  "mtype": 1
+                }
+              ]
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "USD",
+      "bids": [
+        {
+          "bid": {
+            "id": "test-slot-id",
+            "impid": "test-imp-id",
+            "price": 1.50,
+            "crid": "creative-123",
+            "adm": "<iframe src='http://creative-url.ttd.com?price=1.5'></iframe>",
+            "nurl": "http://win-notification.ttd.com?wp=1.5&id=test-slot-id",
+            "w": 300,
+            "h": 250,
+            "ext": {
+              "prebid": {
+                "type": "banner"
+              }
+            },
+            "mtype": 1
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+} 
\ No newline at end of file