diff --git a/flake.lock b/flake.lock
index b98d53f..7711e00 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
         "type": "github"
       },
       "original": {
@@ -95,11 +95,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "lastModified": 1709126324,
+        "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "d465f4819400de7c8d874d50b982301f28a84605",
         "type": "github"
       },
       "original": {
@@ -351,17 +351,16 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1706634492,
-        "narHash": "sha256-9wg1OQET7oCzzMsktGufJmfr2ylecL8T8YYqQo+qNSc=",
+        "lastModified": 1709953170,
+        "narHash": "sha256-No8j4LmDbFmYfh0NXapQDQeoGHXhvnwBkW1usamu8oQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dad88c029e2644adfde882f73e9338fd39058a3f",
+        "rev": "de66856bf823415928efe2088c1cc125fce7fffc",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dad88c029e2644adfde882f73e9338fd39058a3f",
         "type": "github"
       }
     },
@@ -477,11 +476,11 @@
         "rainix": "rainix_2"
       },
       "locked": {
-        "lastModified": 1708279784,
-        "narHash": "sha256-82RoHRXrMcPdHp3aaye6xmapmZMO88WTha/JIG3a2uM=",
+        "lastModified": 1709330445,
+        "narHash": "sha256-fNBo/pmPOkTbkKZRFnxR6QBQEk1QSL13iIdfPQN6jpg=",
         "owner": "rainlanguage",
         "repo": "rain.cli",
-        "rev": "29f4c82c699128bc264b1077d00bb6ae4e496cae",
+        "rev": "0f882121f9f26208c1ae062c368ee817b2ca1363",
         "type": "github"
       },
       "original": {
@@ -538,11 +537,11 @@
         "rust-overlay": "rust-overlay_3"
       },
       "locked": {
-        "lastModified": 1708280322,
-        "narHash": "sha256-NSHBJ/a73wFH+H8CLhj8BRjmK4/k+dNBqmobwxATyFw=",
+        "lastModified": 1710225842,
+        "narHash": "sha256-wfRe+fwM2pKQehO5WlRIv07dT8/IhyfDwWphcfk1x1w=",
         "owner": "rainprotocol",
         "repo": "rainix",
-        "rev": "59ea7fa7eab0bd70841df3b09ca18e6d036146d0",
+        "rev": "1a927a908746931deb2c79c5cedb72f0f1b6f922",
         "type": "github"
       },
       "original": {
@@ -645,11 +644,11 @@
         "nixpkgs": "nixpkgs_11"
       },
       "locked": {
-        "lastModified": 1708241671,
-        "narHash": "sha256-zSulX9tP4R35Y8A842dGSzaHMVP91W2Ry0SXvQKD2BQ=",
+        "lastModified": 1709950089,
+        "narHash": "sha256-JjZINymxtnDY9EDdxnVPideZvHPR2Cm/GdKAptCWLI4=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "d500e370b26f9b14303cb39bf1509df0a920c8b0",
+        "rev": "d3a05d053b145349b8ad395741c5951f332280ef",
         "type": "github"
       },
       "original": {
diff --git a/src/TrancheMirror.sol b/src/TrancheMirror.sol
index b1c946e..c76a85a 100644
--- a/src/TrancheMirror.sol
+++ b/src/TrancheMirror.sol
@@ -16,7 +16,7 @@ import {Strings} from "openzeppelin-contracts/contracts/utils/Strings.sol";
 
 // Strategy Params
 uint256 constant TRANCHE_RESERVE_BASE_AMOUNT = 1000e18 ;
-uint256 constant TRANCHE_RESERVE_BASE_IO_RATIO = 242e18;
+uint256 constant TRANCHE_RESERVE_BASE_IO_RATIO = 315e18;
 uint256 constant SPREAD_RATIO = 101e16;
 uint256 constant TRANCHE_EDGE_THRESHOLD = 2e17;
 uint256 constant INITIAL_TRANCHE_SPACE = 0;
diff --git a/test/TrancheMirrorTest.t.sol b/test/TrancheMirrorTest.t.sol
index 9fa6387..1a57d96 100644
--- a/test/TrancheMirrorTest.t.sol
+++ b/test/TrancheMirrorTest.t.sol
@@ -15,9 +15,10 @@ contract TrancheMirrorTest is TrancheMirrorUtils {
     using LibFixedPointDecimalArithmeticOpenZeppelin for uint256;
     using LibFixedPointDecimalScale for uint256;
 
-    using SafeERC20 for IERC20; 
+    using SafeERC20 for IERC20;
 
     function testSellBuyOrderHappyFork() public { 
+
         // Deposit Tokens
         {
             uint256 depositAmount = 400000e18;
@@ -39,12 +40,11 @@ contract TrancheMirrorTest is TrancheMirrorUtils {
                         vm, 
                         address(ORDERBOOK_SUPARSER)
                     )
-            ); 
+            );
             trancheOrder = placeOrder(ORDER_OWNER, bytecode, constants, tokenVaults, tokenVaults);
         }
-        // Take Order
-        {       
-            // Move external market so the order clears
+        // Take Sell Order
+        {   
             moveExternalPrice(
                 address(WETH_TOKEN),
                 address(IEON_TOKEN),
@@ -58,6 +58,23 @@ contract TrancheMirrorTest is TrancheMirrorUtils {
             Vm.Log[] memory entries = vm.getRecordedLogs();
             (,distributorTokenOut) = getContextInputOutput(entries);
         }
+        // Take Buy Order
+        {       
+            // Move external market so the order clears
+            moveExternalPrice(
+                address(IEON_TOKEN),
+                address(WETH_TOKEN),
+                POLYGON_IEON_HOLDER,
+                10000000e18,
+                SELL_ROUTE
+            );
+            vm.recordLogs();
+            takeOrder(trancheOrder, BUY_ROUTE,0,1);
+
+            Vm.Log[] memory entries = vm.getRecordedLogs();
+            (distributorTokenIn,) = getContextInputOutput(entries);
+        }
+        assertGe(distributorTokenIn,distributorTokenOut);
     }
 
     function giveTestAccountsTokens(IERC20 token, address from, address to, uint256 amount) internal {
@@ -136,7 +153,7 @@ contract TrancheMirrorTest is TrancheMirrorUtils {
         vm.stopPrank();
     } 
 
-    function getContextInputOutput(Vm.Log[] memory entries) public returns(uint256 input, uint256 output){
+    function getContextInputOutput(Vm.Log[] memory entries) internal pure returns(uint256 input, uint256 output){
         for (uint256 j = 0; j < entries.length; j++) {
             if (entries[j].topics[0] == keccak256("Context(address,uint256[][])")) {
                 (, uint256[][] memory context) = abi.decode(entries[j].data, (address, uint256[][]));
diff --git a/test/util/TrancheMirrorUtils.sol b/test/util/TrancheMirrorUtils.sol
index c4afb68..519317d 100644
--- a/test/util/TrancheMirrorUtils.sol
+++ b/test/util/TrancheMirrorUtils.sol
@@ -21,7 +21,7 @@ contract TrancheMirrorUtils is RainContracts, Test {
     using LibFixedPointDecimalArithmeticOpenZeppelin for uint256;
     using LibFixedPointDecimalScale for uint256;
 
-    uint256 constant FORK_BLOCK_NUMBER = 54140734;
+    uint256 constant FORK_BLOCK_NUMBER = 54561421;
     uint256 constant CONTEXT_VAULT_IO_ROWS = 5;
 
     function selectPolygonFork() internal {
@@ -135,6 +135,7 @@ contract TrancheMirrorUtils is RainContracts, Test {
 
     function evalDeployedExpression(address expression, bytes32 orderHash, uint256[][] memory context) public view returns (uint256[] memory) {
 
+        (orderHash);
         FullyQualifiedNamespace namespace =
             LibNamespace.qualifyNamespace(StateNamespace.wrap(uint256(uint160(ORDER_OWNER))), address(ORDERBOOK));