diff --git a/projects/sommelier/cellar-constants.js b/projects/sommelier/cellar-constants.js
index 59505a4f0504..d6c1f7ccbd05 100644
--- a/projects/sommelier/cellar-constants.js
+++ b/projects/sommelier/cellar-constants.js
@@ -82,6 +82,12 @@ const arbitrumCellarsV2p5 = [
   { id: REAL_YIELD_ETH_ARB, startBlock: 178830458 },
   { id: REAL_YIELD_USD_ARB, startBlock: 178141655 }];
 
+  // v2.5 Cellars on Optimism
+  const REAL_YIELD_ETH_OPT = "0xC47bB288178Ea40bF520a91826a3DEE9e0DbFA4C";
+
+  const optimismCellarsV2p5 = [
+    { id: REAL_YIELD_ETH_OPT, startBlock: 
+      116609168 }];
 
 
 module.exports = {
@@ -90,5 +96,6 @@ module.exports = {
   cellarsV2,
   cellarsV2p5,
   arbitrumCellarsV2p5,
+  optimismCellarsV2p5,
 };
 
diff --git a/projects/sommelier/index.js b/projects/sommelier/index.js
index b4ea71d93543..56b874e11c55 100644
--- a/projects/sommelier/index.js
+++ b/projects/sommelier/index.js
@@ -7,6 +7,7 @@ const {
   cellarsV2,
   cellarsV2p5,
   arbitrumCellarsV2p5,
+  optimismCellarsV2p5,
 } = require("./cellar-constants");
 
 
@@ -63,7 +64,22 @@ async function arbitrum_tvl(api) {
     cellars: arbitrumCellarsV2p5.map((cellar) => cellar.id),
     ownersToDedupe: arbitrumCellarsV2p5,
   });
+}
+
+async function optimism_tvl(api) {
+  const balances = {};
+  const { block } = api
+  const chainBlocks = {
+    [api.chain]: block
+  }
+  const baseOptions = { balances, chainBlocks };
 
+  await v2.sumTvl({
+    ...baseOptions,
+    api,
+    cellars: optimismCellarsV2p5.map((cellar) => cellar.id),
+    ownersToDedupe: optimismCellarsV2p5,
+  });
   return balances;
 }
 
@@ -80,6 +96,7 @@ module.exports = {
   start: 1656652494,
   ["ethereum"]: { tvl: ethereum_tvl },
   ["arbitrum"]: { tvl: arbitrum_tvl },
+  ["optimism"]: { tvl: optimism_tvl },
   hallmarks: [
     [1658419200, "aave2 Cellar Launch"],
     [1674671068, "Real Yield USD Cellar Launch"],