diff --git a/XSLT_DataQuality_Checks/Basic_Checks/README.md b/XSLT_DataQuality_Checks/Basic_Checks/README.md
index 6860952..ec237a3 100644
--- a/XSLT_DataQuality_Checks/Basic_Checks/README.md
+++ b/XSLT_DataQuality_Checks/Basic_Checks/README.md
@@ -64,9 +64,13 @@ Compares calculated price to reported price:
| Result | Difference | Status |
|--------|------------|--------|
-| OK | < 0.1 | ✓ OK |
-| ROUNDING | 0.1 - 1.0 | ⚠ ROUNDING |
-| ERROR | ≥ 1.0 | ✗ ERROR |
+| OK | < 0.01 | ✓ OK |
+| ROUNDING | 0.01 - 0.1 | ⚠ ROUNDING |
+| ERROR | ≥ 0.1 | ✗ ERROR |
+
+These bands are identical to the Schematron `Price Calculation` / `Price
+Rounding` rules in `Schematron_DataQuality_Checks/Basic_Checks/basic_checks.sch`;
+change both together.
### 4. Portfolio Position Reconciliation
diff --git a/XSLT_DataQuality_Checks/Basic_Checks/basic_checks.xslt b/XSLT_DataQuality_Checks/Basic_Checks/basic_checks.xslt
index c3b4572..5eda711 100644
--- a/XSLT_DataQuality_Checks/Basic_Checks/basic_checks.xslt
+++ b/XSLT_DataQuality_Checks/Basic_Checks/basic_checks.xslt
@@ -242,10 +242,13 @@
|
-
+
+
✓ OK
-
+
⚠ ROUNDING
diff --git a/tests/fixtures/invalid/schematron-invalid_Positions.xml b/tests/fixtures/invalid/schematron-invalid_Positions.xml
index 980b455..18380e5 100644
--- a/tests/fixtures/invalid/schematron-invalid_Positions.xml
+++ b/tests/fixtures/invalid/schematron-invalid_Positions.xml
@@ -639,6 +639,15 @@
280
+
+
+ Security
+ Allianz SE
+
+ DE0008404005
+
+
+
@@ -661,6 +670,15 @@
85
+
+
+ Security
+ Volkswagen AG (Vz)
+
+ DE0007664039
+
+
+
@@ -679,6 +697,15 @@
10
2025-12-19
XEUR
+
+
+ Index
+ EURO STOXX 50 Index
+
+ EU0009658145
+
+
+
@@ -696,6 +723,15 @@
125000
2026-03-16
XCME
+
+
+ Currency
+ EUR/USD
+
+ EURUSD
+
+
+
diff --git a/tests/fixtures/invalid/xsd-invalid_Positions.xml b/tests/fixtures/invalid/xsd-invalid_Positions.xml
index 0d42e6b..ac4b68c 100644
--- a/tests/fixtures/invalid/xsd-invalid_Positions.xml
+++ b/tests/fixtures/invalid/xsd-invalid_Positions.xml
@@ -639,6 +639,15 @@
280
+
+
+ Security
+ Allianz SE
+
+ DE0008404005
+
+
+
@@ -661,6 +670,15 @@
85
+
+
+ Security
+ Volkswagen AG (Vz)
+
+ DE0007664039
+
+
+
@@ -679,6 +697,15 @@
10
2025-12-19
XEUR
+
+
+ Index
+ EURO STOXX 50 Index
+
+ EU0009658145
+
+
+
@@ -696,6 +723,15 @@
125000
2026-03-16
XCME
+
+
+ Currency
+ EUR/USD
+
+ EURUSD
+
+
+
|