diff --git a/src/server/backtest/grid.ts b/src/server/backtest/grid.ts
index 3e1adfa..90580d2 100644
--- a/src/server/backtest/grid.ts
+++ b/src/server/backtest/grid.ts
@@ -118,7 +118,7 @@ export function runGridBacktest(candles15ByPair: Map<Pair, Candle[]>, cfg: GridC
     const c4h = aggregateTf(c15, p.tfMs);
     return { pair, c4h, atr: atr(c4h, p.atrPeriod), adx: adx(c4h, p.atrPeriod), next4h: 0 };
   });
-  const byPair = new Map(contexts.map((c) => [c.pair, c]));
+  const byPair = new Map<Pair, (typeof contexts)[number]>(contexts.map((c) => [c.pair, c]));
 
   const timeline: { ts: number; pair: Pair; candle: Candle }[] = [];
   for (const ctx of contexts) {
@@ -126,7 +126,7 @@ export function runGridBacktest(candles15ByPair: Map<Pair, Candle[]>, cfg: GridC
       if (candle.ts < cfg.tradeTo) timeline.push({ ts: candle.ts, pair: ctx.pair, candle });
     }
   }
-  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair) - PAIRS.indexOf(b.pair));
+  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair as (typeof PAIRS)[number]) - PAIRS.indexOf(b.pair as (typeof PAIRS)[number]));
 
   let lastEquityBucket = -1;
 
diff --git a/src/server/backtest/runner.ts b/src/server/backtest/runner.ts
index 71ea441..55eb1be 100644
--- a/src/server/backtest/runner.ts
+++ b/src/server/backtest/runner.ts
@@ -50,7 +50,7 @@ export function runBacktest(candles15ByPair: Map<Pair, Candle[]>, cfg: BacktestC
       if (candle.ts < cfg.tradeTo) timeline.push({ ts: candle.ts, pair: ctx.pair, candle });
     }
   }
-  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair) - PAIRS.indexOf(b.pair));
+  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair as (typeof PAIRS)[number]) - PAIRS.indexOf(b.pair as (typeof PAIRS)[number]));
 
   const byPair = new Map<Pair, PairContext>(contexts.map((c) => [c.pair, c]));
   let lastEquityBucket = -1;
diff --git a/src/server/live/grid-cycle.ts b/src/server/live/grid-cycle.ts
index 0cf0d9f..fdbdb5a 100644
--- a/src/server/live/grid-cycle.ts
+++ b/src/server/live/grid-cycle.ts
@@ -98,7 +98,7 @@ export function processGridCycle(
       if (candle.ts > state.cursorTs) timeline.push({ ts: candle.ts, pair: ctx.pair, candle });
     }
   }
-  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair) - PAIRS.indexOf(b.pair));
+  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair as (typeof PAIRS)[number]) - PAIRS.indexOf(b.pair as (typeof PAIRS)[number]));
 
   const sell = (pair: Pair, ts: number, price: number, lot: GridLot, reason: ClosedTrade['exitReason']): void => {
     const fill = price * (1 - exec.slippage);
diff --git a/src/server/live/process-cycle.ts b/src/server/live/process-cycle.ts
index ce7bb7d..196e11e 100644
--- a/src/server/live/process-cycle.ts
+++ b/src/server/live/process-cycle.ts
@@ -82,7 +82,7 @@ export function processCycle(
     }
     return { pair, c4h, ind: computeIndicators(c4h, cfg.params), next4h };
   });
-  const byPair = new Map(contexts.map((c) => [c.pair, c]));
+  const byPair = new Map<Pair, (typeof contexts)[number]>(contexts.map((c) => [c.pair, c]));
 
   const timeline: { ts: number; pair: Pair; candle: Candle }[] = [];
   for (const ctx of contexts) {
@@ -90,7 +90,7 @@ export function processCycle(
       if (candle.ts > state.cursorTs) timeline.push({ ts: candle.ts, pair: ctx.pair, candle });
     }
   }
-  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair) - PAIRS.indexOf(b.pair));
+  timeline.sort((a, b) => a.ts - b.ts || PAIRS.indexOf(a.pair as (typeof PAIRS)[number]) - PAIRS.indexOf(b.pair as (typeof PAIRS)[number]));
 
   let cursorTs = state.cursorTs;
   let lastEquityBucket = -1;
diff --git a/src/server/scripts/backfill.ts b/src/server/scripts/backfill.ts
index c80c563..d9ed5d2 100644
--- a/src/server/scripts/backfill.ts
+++ b/src/server/scripts/backfill.ts
@@ -1,4 +1,4 @@
-import { PAIRS } from '../types';
+import { ALL_PAIRS } from '../types';
 import { fetchCandles } from '../market/cryptocom';
 import { insertCandles, getCoverage } from '../market/candle-store';
 import { sql } from '../db/client';
@@ -7,7 +7,7 @@ const M15 = 15 * 60 * 1000;
 const TARGET_MONTHS = 36;
 const since = Date.now() - TARGET_MONTHS * 30 * 24 * 60 * 60 * 1000;
 
-for (const pair of PAIRS) {
+for (const pair of ALL_PAIRS) {
   let endTs: number | undefined = undefined;
   let total = 0;
   let prevOldest: number | undefined = undefined;
diff --git a/src/server/types.ts b/src/server/types.ts
index 5d35099..275a481 100644
--- a/src/server/types.ts
+++ b/src/server/types.ts
@@ -8,4 +8,14 @@ export interface Candle {
 }
 
 export const PAIRS = ['BTC_USDT', 'ETH_USDT', 'SOL_USDT', 'XRP_USDT'] as const;
-export type Pair = (typeof PAIRS)[number];
+
+/** Handels-Universum der Trump-Engine (Schnittmenge Mapping × Crypto.com-USDT-Paare). */
+export const TRUMP_PAIRS = [
+  'BTC_USDT', 'ETH_USDT', 'SOL_USDT', 'XRP_USDT',
+  'LINK_USDT', 'AAVE_USDT', 'ONDO_USDT', 'ENA_USDT', 'SUI_USDT', 'SEI_USDT',
+] as const;
+
+export type Pair = (typeof PAIRS)[number] | (typeof TRUMP_PAIRS)[number];
+
+/** Vereinigung beider Universen — für Candle-Backfill. */
+export const ALL_PAIRS: readonly Pair[] = [...new Set<Pair>([...PAIRS, ...TRUMP_PAIRS])];