diff --git a/src/mock-data/properties.ts b/src/mock-data/properties.ts
index f8f9102..c676ddd 100644
--- a/src/mock-data/properties.ts
+++ b/src/mock-data/properties.ts
@@ -211,11 +211,11 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'Pharma Research GmbH',
-    leaseTerm: '4 Jahre',
+    leaseTerm: '6 Jahre',
     leaseStartDate: '2021-09-01',
     leaseEndDate: '2027-08-31',
     breakoutOption: false,
-    schattenmarktRelease: { enabled: false, leadTimeMonths: 6 },
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 16 },
     organizationId: 'org-wincasa',
     createdAt: '2025-01-20T10:00:00Z',
     updatedAt: '2025-04-30T09:00:00Z',
@@ -260,10 +260,11 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'Sperrgut Logistik AG',
-    leaseTerm: '5 Jahre',
-    leaseStartDate: '2020-07-01',
-    leaseEndDate: '2025-06-30',
+    leaseTerm: '6 Jahre',
+    leaseStartDate: '2020-10-01',
+    leaseEndDate: '2026-10-31',
     breakoutOption: false,
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 6 },
     organizationId: 'org-wincasa',
     createdAt: '2024-12-10T08:00:00Z',
     updatedAt: '2025-05-02T10:00:00Z',
@@ -308,10 +309,11 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'Fashion Concept GmbH',
-    leaseTerm: '5 Jahre',
-    leaseStartDate: '2020-08-01',
-    leaseEndDate: '2025-07-31',
+    leaseTerm: '6 Jahre',
+    leaseStartDate: '2020-09-01',
+    leaseEndDate: '2026-09-30',
     breakoutOption: false,
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 5 },
     organizationId: 'org-wincasa',
     createdAt: '2025-01-05T10:00:00Z',
     updatedAt: '2025-05-06T11:00:00Z',
@@ -356,10 +358,11 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'Metallbau Bern AG',
-    leaseTerm: '10 Jahre',
-    leaseStartDate: '2015-07-01',
-    leaseEndDate: '2025-06-30',
+    leaseTerm: '11 Jahre',
+    leaseStartDate: '2015-11-01',
+    leaseEndDate: '2026-11-30',
     breakoutOption: false,
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 7 },
     organizationId: 'org-wincasa',
     createdAt: '2024-10-15T09:00:00Z',
     updatedAt: '2025-05-03T10:00:00Z',
@@ -411,11 +414,12 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'FinTech Zug AG',
-    leaseTerm: '3 Jahre',
+    leaseTerm: '4 Jahre',
     leaseStartDate: '2022-10-01',
-    leaseEndDate: '2025-09-30',
+    leaseEndDate: '2026-10-31',
     breakoutOption: true,
-    breakoutOptionDate: '2025-04-01',
+    breakoutOptionDate: '2026-08-01',
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 6 },
     organizationId: 'org-wincasa',
     createdAt: '2025-02-10T11:00:00Z',
     updatedAt: '2025-04-29T08:00:00Z',
@@ -468,10 +472,11 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'Design Studio Zürich GmbH',
-    leaseTerm: '4 Jahre',
-    leaseStartDate: '2021-11-01',
-    leaseEndDate: '2025-10-31',
+    leaseTerm: '5 Jahre',
+    leaseStartDate: '2021-12-01',
+    leaseEndDate: '2026-12-31',
     breakoutOption: false,
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 8 },
     organizationId: 'org-wincasa',
     createdAt: '2025-01-15T09:00:00Z',
     updatedAt: '2025-04-25T10:00:00Z',
@@ -516,11 +521,12 @@ export const mockProperties: Property[] = [
     importedAt: '2025-01-15T08:00:00Z',
     lastUpdatedAt: '2025-05-10T10:00:00Z',
     currentTenant: 'Handels- und Lagerbetrieb AG',
-    leaseTerm: '5 Jahre',
-    leaseStartDate: '2020-07-01',
-    leaseEndDate: '2025-06-30',
+    leaseTerm: '6 Jahre',
+    leaseStartDate: '2020-09-01',
+    leaseEndDate: '2026-09-30',
     breakoutOption: true,
-    breakoutOptionDate: '2024-07-01',
+    breakoutOptionDate: '2026-07-01',
+    schattenmarktRelease: { enabled: true, leadTimeMonths: 4 },
     organizationId: 'org-wincasa',
     createdAt: '2024-12-01T08:00:00Z',
     updatedAt: '2025-05-04T09:00:00Z',