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diff --git a/‎app/components/UI/Predict/constants/feedTabs.ts‎
Lines changed: 7 additions & 0 deletions b/‎app/components/UI/Predict/constants/feedTabs.ts‎
Lines changed: 7 additions & 0 deletions
diff --git a/‎app/components/UI/Predict/hooks/usePredictTabs.test.ts‎
Lines changed: 118 additions & 6 deletions b/‎app/components/UI/Predict/hooks/usePredictTabs.test.ts‎
Lines changed: 118 additions & 6 deletions
diff --git a/‎app/components/UI/Predict/hooks/usePredictTabs.ts‎
Lines changed: 32 additions & 6 deletions b/‎app/components/UI/Predict/hooks/usePredictTabs.ts‎
Lines changed: 32 additions & 6 deletions
diff --git a/‎app/components/UI/Predict/providers/polymarket/utils.test.ts‎
Lines changed: 59 additions & 0 deletions b/‎app/components/UI/Predict/providers/polymarket/utils.test.ts‎
Lines changed: 59 additions & 0 deletions
@@ -1,4 +1,5 @@
 import type { PredictCategory } from '../types';
+import { PREDICT_WORLD_CUP_FEED_PARAM } from './worldCupTabs';
 
 export type PredictTabKey = PredictCategory;
 
@@ -21,9 +22,15 @@ export const PREDICT_HOT_TAB: PredictTabConfig = {
   labelKey: 'predict.category.hot',
 };
 
+export const PREDICT_WORLD_CUP_TAB: PredictTabConfig = {
+  key: PREDICT_WORLD_CUP_FEED_PARAM,
+  labelKey: 'predict.world_cup.title',
+};
+
 export const PREDICT_ALL_TABS: readonly PredictTabConfig[] = [
   ...PREDICT_BASE_TABS,
   PREDICT_HOT_TAB,
+  PREDICT_WORLD_CUP_TAB,
 ];
 
 const PREDICT_TAB_KEYS = PREDICT_ALL_TABS.map((tab) => tab.key);
 
@@ -1,4 +1,6 @@
 import { renderHook, act } from '@testing-library/react-native';
+import { DEFAULT_PREDICT_WORLD_CUP_FLAG } from '../constants/flags';
+import { buildPredictWorldCupAllQuery } from '../utils/worldCup';
 import { usePredictTabs } from './usePredictTabs';
 
 const mockRouteParams: { tab?: string } = {};
@@ -13,9 +15,29 @@ const mockHotTabFlag: { enabled: boolean; queryParams: string | undefined } = {
   enabled: false,
   queryParams: undefined,
 };
+let mockIsWorldCupMainFeedTabEnabled = false;
+let mockWorldCupConfig = DEFAULT_PREDICT_WORLD_CUP_FLAG;
 
 jest.mock('react-redux', () => ({
-  useSelector: () => mockHotTabFlag,
+  useSelector: (selector: string) => {
+    switch (selector) {
+      case 'selectPredictHotTabFlag':
+        return mockHotTabFlag;
+      case 'selectPredictWorldCupMainFeedTabEnabledFlag':
+        return mockIsWorldCupMainFeedTabEnabled;
+      case 'selectPredictWorldCupConfig':
+        return mockWorldCupConfig;
+      default:
+        return undefined;
+    }
+  },
+}));
+
+jest.mock('../selectors/featureFlags', () => ({
+  selectPredictHotTabFlag: 'selectPredictHotTabFlag',
+  selectPredictWorldCupConfig: 'selectPredictWorldCupConfig',
+  selectPredictWorldCupMainFeedTabEnabledFlag:
+    'selectPredictWorldCupMainFeedTabEnabledFlag',
 }));
 
 jest.mock('../../../../../locales/i18n', () => ({
@@ -28,6 +50,8 @@ describe('usePredictTabs', () => {
     mockRouteParams.tab = undefined;
     mockHotTabFlag.enabled = false;
     mockHotTabFlag.queryParams = undefined;
+    mockIsWorldCupMainFeedTabEnabled = false;
+    mockWorldCupConfig = DEFAULT_PREDICT_WORLD_CUP_FLAG;
   });
 
   describe('tabs array', () => {
@@ -47,6 +71,42 @@ describe('usePredictTabs', () => {
       expect(result.current.tabs[0].key).toBe('hot');
       expect(result.current.tabs[1].key).toBe('trending');
     });
+
+    it('does not include World Cup tab when main feed tab flag is disabled', () => {
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.tabs.map((tab) => tab.key)).not.toContain(
+        'world-cup',
+      );
+    });
+
+    it('includes World Cup tab at beginning when enabled', () => {
+      mockIsWorldCupMainFeedTabEnabled = true;
+
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.tabs).toHaveLength(7);
+      expect(result.current.tabs[0]).toEqual({
+        key: 'world-cup',
+        label: 'predict.world_cup.title',
+        customQueryParams: buildPredictWorldCupAllQuery(mockWorldCupConfig),
+      });
+      expect(result.current.tabs[1].key).toBe('trending');
+    });
+
+    it('places World Cup before Hot when both tabs are enabled', () => {
+      mockHotTabFlag.enabled = true;
+      mockHotTabFlag.queryParams = 'test=value';
+      mockIsWorldCupMainFeedTabEnabled = true;
+
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.tabs.map((tab) => tab.key).slice(0, 3)).toEqual([
+        'world-cup',
+        'hot',
+        'trending',
+      ]);
+    });
   });
 
   describe('activeIndex', () => {
@@ -56,6 +116,15 @@ describe('usePredictTabs', () => {
       expect(result.current.activeIndex).toBe(0);
     });
 
+    it('defaults to 0 (World Cup) when World Cup tab is enabled and no tab is requested', () => {
+      mockIsWorldCupMainFeedTabEnabled = true;
+
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.activeIndex).toBe(0);
+      expect(result.current.tabs[0].key).toBe('world-cup');
+    });
+
     it('sets active index to requested tab position', () => {
       mockRouteParams.tab = 'crypto';
 
@@ -72,6 +141,25 @@ describe('usePredictTabs', () => {
       expect(result.current.activeIndex).toBe(0);
     });
 
+    it('defaults to trending when World Cup tab is requested but disabled', () => {
+      mockRouteParams.tab = 'world-cup';
+
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.activeIndex).toBe(0);
+      expect(result.current.initialTabKey).toBe('trending');
+    });
+
+    it('sets active index to requested World Cup tab when enabled', () => {
+      mockRouteParams.tab = 'world-cup';
+      mockIsWorldCupMainFeedTabEnabled = true;
+
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.activeIndex).toBe(0);
+      expect(result.current.initialTabKey).toBe('world-cup');
+    });
+
     it('updates when setActiveIndex is called', () => {
       const { result } = renderHook(() => usePredictTabs());
 
@@ -184,20 +272,44 @@ describe('usePredictTabs', () => {
     });
   });
 
-  describe('hotTabQueryParams', () => {
-    it('returns undefined when hot tab is disabled', () => {
+  describe('tab custom query params', () => {
+    it('does not add custom query params to base tabs', () => {
       const { result } = renderHook(() => usePredictTabs());
 
-      expect(result.current.hotTabQueryParams).toBeUndefined();
+      expect(
+        result.current.tabs.every((tab) => tab.customQueryParams === undefined),
+      ).toBe(true);
     });
 
-    it('returns query params when hot tab is enabled', () => {
+    it('adds query params to the hot tab when enabled', () => {
       mockHotTabFlag.enabled = true;
       mockHotTabFlag.queryParams = 'test=value';
 
       const { result } = renderHook(() => usePredictTabs());
 
-      expect(result.current.hotTabQueryParams).toBe('test=value');
+      expect(result.current.tabs[0]).toEqual({
+        key: 'hot',
+        label: 'predict.category.hot',
+        customQueryParams: 'test=value',
+      });
+    });
+
+    it('adds exact World Cup query params to the World Cup tab when enabled', () => {
+      mockIsWorldCupMainFeedTabEnabled = true;
+      mockWorldCupConfig = {
+        ...DEFAULT_PREDICT_WORLD_CUP_FLAG,
+        enabled: true,
+        showMainFeedTab: true,
+        tagSlug: 'custom-world-cup',
+      };
+
+      const { result } = renderHook(() => usePredictTabs());
+
+      expect(result.current.tabs[0]).toEqual({
+        key: 'world-cup',
+        label: 'predict.world_cup.title',
+        customQueryParams: buildPredictWorldCupAllQuery(mockWorldCupConfig),
+      });
     });
   });
 
 
@@ -2,32 +2,42 @@ import { useState, useMemo, useEffect, useRef, useCallback } from 'react';
 import { useSelector } from 'react-redux';
 import { useRoute, RouteProp } from '@react-navigation/native';
 import { strings } from '../../../../../locales/i18n';
-import { selectPredictHotTabFlag } from '../selectors/featureFlags';
+import {
+  selectPredictHotTabFlag,
+  selectPredictWorldCupConfig,
+  selectPredictWorldCupMainFeedTabEnabledFlag,
+} from '../selectors/featureFlags';
 import {
   PREDICT_BASE_TABS,
   PREDICT_HOT_TAB,
+  PREDICT_WORLD_CUP_TAB,
   isPredictTabKey,
   type PredictTabKey,
 } from '../constants/feedTabs';
 import type { PredictNavigationParamList } from '../types/navigation';
+import { buildPredictWorldCupAllQuery } from '../utils/worldCup';
 
 export interface FeedTab {
   key: PredictTabKey;
   label: string;
+  customQueryParams?: string;
 }
 
 export interface UsePredictTabsResult {
   tabs: FeedTab[];
   activeIndex: number;
   setActiveIndex: (index: number) => void;
   initialTabKey: PredictTabKey;
-  hotTabQueryParams?: string;
 }
 
 export const usePredictTabs = (): UsePredictTabsResult => {
   const route =
     useRoute<RouteProp<PredictNavigationParamList, 'PredictMarketList'>>();
   const hotTabFlag = useSelector(selectPredictHotTabFlag);
+  const isWorldCupMainFeedTabEnabled = useSelector(
+    selectPredictWorldCupMainFeedTabEnabledFlag,
+  );
+  const worldCupConfig = useSelector(selectPredictWorldCupConfig);
 
   const tabs: FeedTab[] = useMemo(() => {
     const baseTabs: FeedTab[] = PREDICT_BASE_TABS.map((tab) => ({
@@ -39,15 +49,32 @@ export const usePredictTabs = (): UsePredictTabsResult => {
       baseTabs.unshift({
         key: PREDICT_HOT_TAB.key,
         label: strings(PREDICT_HOT_TAB.labelKey),
+        customQueryParams: hotTabFlag.queryParams,
       });
     }
 
-    return baseTabs;
-  }, [hotTabFlag.enabled]);
+    if (isWorldCupMainFeedTabEnabled) {
+      baseTabs.unshift({
+        key: PREDICT_WORLD_CUP_TAB.key,
+        label: strings(PREDICT_WORLD_CUP_TAB.labelKey),
+        customQueryParams: buildPredictWorldCupAllQuery(worldCupConfig),
+      });
+    }
 
-  const requestedTabKey = isPredictTabKey(route.params?.tab)
+    return baseTabs;
+  }, [
+    hotTabFlag.enabled,
+    hotTabFlag.queryParams,
+    isWorldCupMainFeedTabEnabled,
+    worldCupConfig,
+  ]);
+
+  const requestedValidTabKey = isPredictTabKey(route.params?.tab)
     ? route.params?.tab
     : undefined;
+  const requestedTabKey = tabs.some((tab) => tab.key === requestedValidTabKey)
+    ? requestedValidTabKey
+    : undefined;
 
   const initialTabKeyRef = useRef<PredictTabKey>(
     requestedTabKey ?? tabs[0].key,
@@ -109,6 +136,5 @@ export const usePredictTabs = (): UsePredictTabsResult => {
     activeIndex,
     setActiveIndex,
     initialTabKey: initialTabKeyRef.current,
-    hotTabQueryParams: hotTabFlag.queryParams,
   };
 };
@@ -16,6 +16,7 @@ import {
   clearClobMarketInfoSessionState,
   createApiKey,
   deriveApiKey,
+  fetchEventsFromPolymarketApi,
   getAllowance,
   getClobMarketInfo,
   getClobMarketInfoSafe,
@@ -204,6 +205,64 @@ describe('polymarket utils', () => {
     );
   });
 
+  describe('fetchEventsFromPolymarketApi', () => {
+    const mockEventsPaginationResponse = {
+      ok: true,
+      json: jest.fn().mockResolvedValue({ data: [] }),
+    };
+
+    beforeEach(() => {
+      mockEventsPaginationResponse.json.mockClear();
+      mockFetch.mockResolvedValue(mockEventsPaginationResponse);
+    });
+
+    it('uses exact World Cup custom query params without normal feed filters', async () => {
+      await fetchEventsFromPolymarketApi({
+        category: 'world-cup',
+        limit: 20,
+        offset: 40,
+        customQueryParams:
+          'active=true&archived=false&closed=false&tag_slug=fifa-world-cup&order=volume24hr',
+      });
+
+      expect(mockFetch).toHaveBeenCalledWith(
+        'https://gamma-api.polymarket.com/events/pagination?limit=20&offset=40&active=true&archived=false&closed=false&tag_slug=fifa-world-cup&order=volume24hr',
+      );
+      const requestedUrl = String(mockFetch.mock.calls[0][0]);
+      expect(requestedUrl).not.toContain('liquidity_min');
+      expect(requestedUrl).not.toContain('volume_min');
+    });
+
+    it('falls back to default World Cup query params without normal feed filters', async () => {
+      await fetchEventsFromPolymarketApi({
+        category: 'world-cup',
+        limit: 10,
+        offset: 0,
+      });
+
+      expect(mockFetch).toHaveBeenCalledWith(
+        'https://gamma-api.polymarket.com/events/pagination?limit=10&offset=0&active=true&archived=false&closed=false&tag_slug=fifa-world-cup&order=volume24hr&ascending=false',
+      );
+      const requestedUrl = String(mockFetch.mock.calls[0][0]);
+      expect(requestedUrl).toContain('ascending=false');
+      expect(requestedUrl).not.toContain('liquidity_min');
+      expect(requestedUrl).not.toContain('volume_min');
+    });
+
+    it('keeps Hot category default query on normal feed filters without custom params', async () => {
+      await fetchEventsFromPolymarketApi({
+        category: 'hot',
+        limit: 20,
+        offset: 0,
+      });
+
+      const requestedUrl = String(mockFetch.mock.calls[0][0]);
+      expect(requestedUrl).toContain('liquidity_min=10000');
+      expect(requestedUrl).toContain('volume_min=10000');
+      expect(requestedUrl).toContain('&order=volume24hr');
+    });
+  });
+
   it('creates API keys against the canonical CLOB host', async () => {
     mockFetch.mockResolvedValue({
       status: 200,