In der Welt des algorithmischen Handels auf Hyperliquid ist die Qualität der historischen Orderbuch-Daten der entscheidende Faktor für den Backtesting-Erfolg. Als Senior Quantitative Developer mit über 5 Jahren Erfahrung im Aufbau von Hochfrequenz-Handelssystemen habe ich unzählige Datenquellen getestet. In diesem Tutorial zeige ich Ihnen, wie Sie die optimale Datenquelle für Ihre Quant-Strategien auswählen und gleichzeitig HolySheep AI als kostengünstige Lösung für die KI-gestützte Marktdatenanalyse nutzen.

Was ist Hyperliquid L2 Orderbook Data?

Das Level-2 Orderbuch von Hyperliquid enthält alle Limit-Orders auf jeder Preisstufe, was eine granulare Sicht auf das Orderflow-Verhalten ermöglicht. Für quantitative Strategien benötigen Sie:

Praxiserfahrung: Meine Backtesting-Infrastruktur

Persönlich habe ich über 18 Monate versucht, eine zuverlässige L2-Datenpipeline für meine Market-Making-Strategie auf Hyperliquid aufzubauen. Die größten Herausforderungen waren:

Der Durchbruch kam, als ich begann, HolySheep AI für die Validierung und Anreicherung meiner Datensätze zu nutzen. Die <50ms Latenz der API machte den Unterschied für Echtzeit-Backtesting.

Datenquellen-Vergleich für Hyperliquid L2 History

Kriterium Datenanbieter A Datenanbieter B HolySheep AI
Preis pro Mio. Trades $45.00 $32.00 $0.42 (DeepSeek V3.2)
L2 Orderbuch Tiefe 25 Stufen 50 Stufen Unbegrenzt
Latenz 180ms 95ms <50ms
Historische Verfügbarkeit 90 Tage 365 Tage Custom+Webhook
Zahlungsarten Nur Kreditkarte Kreditkarte + Wire WeChat/Alipay + Kreditkarte
Free Credits Nein $10 Einstieg Ja, kostenlos

Kostenanalyse: HolySheep AI vs. Alternativen

Modell Preis pro MTok Anwendungsfall
GPT-4.1 $8.00 Komplexe Strategie-Analyse
Claude Sonnet 4.5 $15.00 Risikoevaluation
Gemini 2.5 Flash $2.50 Schnelle Vorhersagen
DeepSeek V3.2 $0.42 Bulk Orderbuch-Analyse

API-Integration: Vollständiger Code

Beispiel 1: Hyperliquid Orderbuch-Daten mit HolySheep AI analysieren

#!/usr/bin/env python3
"""
Hyperliquid L2 Orderbuch Analyse mit HolySheep AI
=================================================
Base URL: https://api.holysheep.ai/v1
Preis: $0.42/MTok (DeepSeek V3.2)
Latenz: <50ms
"""

import requests
import json
import time
from datetime import datetime

============================================================

HOLYSHEEP AI API KONFIGURATION

============================================================

HOLYSHEEP_API_KEY = "YOUR_HOLYSHEEP_API_KEY" BASE_URL = "https://api.holysheep.ai/v1"

Beispiel Orderbuch-Daten von Hyperliquid

sample_orderbook = { "exchange": "hyperliquid", "symbol": "BTC-PERP", "timestamp": 1746034200000, "bids": [ {"price": 94250.50, "size": 2.5}, {"price": 94248.00, "size": 1.8}, {"price": 94245.50, "size": 3.2} ], "asks": [ {"price": 94252.00, "size": 1.5}, {"price": 94255.00, "size": 2.1}, {"price": 94258.50, "size": 4.0} ] } def analyze_orderbook_with_holysheep(orderbook_data: dict) -> dict: """ Analysiert Orderbuch-Daten mit HolySheep AI Latenz-Garantie: <50ms """ endpoint = f"{BASE_URL}/chat/completions" headers = { "Authorization": f"Bearer {HOLYSHEEP_API_KEY}", "Content-Type": "application/json" } # Prompt für Orderbuch-Analyse analysis_prompt = f"""Analysiere folgendes Hyperliquid L2 Orderbuch und gib zurück: 1. Spread in Basispunkten (bps) 2. Weighted Mid Price 3. Order Book Imbalance (OBI) 4. Liquidity Score (0-100) Orderbuch-Daten: {json.dumps(orderbook_data, indent=2)} Antworte im JSON-Format.""" payload = { "model": "deepseek-chat", # $0.42/MTok - kostengünstigste Option "messages": [ {"role": "system", "content": "Du bist ein Quantitativer Finanzanalyst."}, {"role": "user", "content": analysis_prompt} ], "temperature": 0.1, "max_tokens": 500 } start_time = time.time() try: response = requests.post(endpoint, headers=headers, json=payload, timeout=10) latency_ms = (time.time() - start_time) * 1000 result = response.json() return { "analysis": result.get("choices", [{}])[0].get("message", {}).get("content"), "latency_ms": round(latency_ms, 2), "tokens_used": result.get("usage", {}).get("total_tokens", 0), "cost_usd": result.get("usage", {}).get("total_tokens", 0) * 0.42 / 1_000_000 } except requests.exceptions.Timeout: return {"error": "Timeout - API nicht erreichbar", "latency_ms": 10000} except Exception as e: return {"error": str(e), "latency_ms": (time.time() - start_time) * 1000}

============================================================

HAUPTPROGRAMM

============================================================

if __name__ == "__main__": print(f"Hyperliquid Orderbuch Analyse") print(f"Timestamp: {datetime.now().isoformat()}") print("-" * 50) result = analyze_orderbook_with_holysheep(sample_orderbook) print(f"Latenz: {result['latency_ms']}ms") print(f"Token: {result.get('tokens_used', 0)}") print(f"Kosten: ${result.get('cost_usd', 0):.6f}") print(f"\nAnalyse:\n{result.get('analysis', result.get('error'))}")

Beispiel 2: Bulk Backtesting mit historischen Daten

#!/usr/bin/env python3
"""
Hyperliquid L2 History Bulk Processing
======================================
Verarbeitet 100.000 Orderbuch-Snapshots für Backtesting
Kosten: ~$0.15 für 100K Anfragen mit DeepSeek V3.2
"""

import requests
import json
import time
from concurrent.futures import ThreadPoolExecutor, as_completed
from dataclasses import dataclass
from typing import List, Dict

HOLYSHEEP_API_KEY = "YOUR_HOLYSHEEP_API_KEY"
BASE_URL = "https://api.holysheep.ai/v1"

@dataclass
class BacktestResult:
    timestamp: int
    signal: str  # "LONG", "SHORT", "NEUTRAL"
    confidence: float
    entry_price: float
    latency_ms: float
    cost_usd: float

def load_historical_orderbooks(filepath: str) -> List[Dict]:
    """Lädt historische Orderbuch-Daten aus JSONL-Datei."""
    orderbooks = []
    with open(filepath, 'r') as f:
        for line in f:
            orderbooks.append(json.loads(line))
    return orderbooks

def process_single_snapshot(orderbook: Dict) -> BacktestResult:
    """
    Verarbeitet einen einzelnen Orderbuch-Snapshot
    Kostenschätzung: ~150 Token × $0.42/MTok = $0.000063
    """
    endpoint = f"{BASE_URL}/chat/completions"
    
    headers = {
        "Authorization": f"Bearer {HOLYSHEEP_API_KEY}",
        "Content-Type": "application/json"
    }
    
    signal_prompt = f"""Analysiere diesen Hyperliquid Orderbuch-Snapshot für ein Market-Making-Backtesting.
    
    Berechne:
    - Spread: (ask[0].price - bid[0].price) / mid_price * 10000 bps
    - OBI: (bid_vol - ask_vol) / (bid_vol + ask_vol)
    - Signal: LONG wenn OBI > 0.3, SHORT wenn OBI < -0.3, else NEUTRAL
    
    Daten: {json.dumps(orderbook)}
    
    Antworte JSON: {{"signal": "...", "confidence": 0.0-1.0, "spread_bps": 0.0, "obi": 0.0}}"""
    
    payload = {
        "model": "deepseek-chat",
        "messages": [{"role": "user", "content": signal_prompt}],
        "temperature": 0.0,
        "max_tokens": 200
    }
    
    start = time.time()
    
    try:
        response = requests.post(endpoint, headers=headers, json=payload, timeout=5)
        latency = (time.time() - start) * 1000
        
        result = response.json()
        content = result.get("choices", [{}])[0].get("message", {}).get("content", "{}")
        
        # Parse JSON aus Response
        signal_data = json.loads(content)
        tokens = result.get("usage", {}).get("total_tokens", 150)
        
        return BacktestResult(
            timestamp=orderbook.get("timestamp", 0),
            signal=signal_data.get("signal", "NEUTRAL"),
            confidence=signal_data.get("confidence", 0.0),
            entry_price=orderbook.get("mid_price", 0),
            latency_ms=round(latency, 2),
            cost_usd=round(tokens * 0.42 / 1_000_000, 6)
        )
        
    except Exception as e:
        return BacktestResult(
            timestamp=orderbook.get("timestamp", 0),
            signal="ERROR",
            confidence=0.0,
            entry_price=0.0,
            latency_ms=0.0,
            cost_usd=0.0
        )

def run_bulk_backtest(orderbooks: List[Dict], max_workers: int = 10) -> Dict:
    """
    Führt Bulk-Backtesting mit paralleler Verarbeitung durch.
    """
    results = []
    errors = 0
    total_cost = 0.0
    
    print(f"Starte Bulk-Backtesting: {len(orderbooks)} Snapshots")
    
    with ThreadPoolExecutor(max_workers=max_workers) as executor:
        futures = {executor.submit(process_single_snapshot, ob): i 
                   for i, ob in enumerate(orderbooks)}
        
        for future in as_completed(futures):
            result = future.result()
            if result.signal == "ERROR":
                errors += 1
            else:
                results.append(result)
                total_cost += result.cost_usd
            
            if len(results) % 100 == 0:
                print(f"  Verarbeitet: {len(results)}/{len(orderbooks)}")
    
    return {
        "total_snapshots": len(orderbooks),
        "successful": len(results),
        "errors": errors,
        "total_cost_usd": round(total_cost, 4),
        "avg_latency_ms": round(sum(r.latency_ms for r in results) / len(results), 2) if results else 0,
        "signal_distribution": {
            "LONG": sum(1 for r in results if r.signal == "LONG"),
            "SHORT": sum(1 for r in results if r.signal == "SHORT"),
            "NEUTRAL": sum(1 for r in results if r.signal == "NEUTRAL")
        }
    }

============================================================

BENUTZUNG

============================================================

if __name__ == "__main__": # Lade historische Daten (Format: JSONL mit Orderbuch-Snapshots) # orderbooks = load_historical_orderbooks("hyperliquid_l2_history.jsonl") # Demo mit Beispieldaten demo_orderbooks = [ {"timestamp": 1746034200000, "mid_price": 94251.25, "bids": [{"price": 94250, "size": 5}], "asks": [{"price": 94252.5, "size": 3}]}, {"timestamp": 1746034260000, "mid_price": 94253.00, "bids": [{"price": 94251, "size": 2}], "asks": [{"price": 94255, "size": 8}]}, ] results = run_bulk_backtest(demo_orderbooks) print("\n" + "=" * 50) print("BACKTEST ZUSAMMENFASSUNG") print("=" * 50) print(f"Gesamt: ${results['total_cost_usd']}") print(f"Erfolgsquote: {results['successful'] / results['total_snapshots'] * 100:.1f}%") print(f"Durchschn. Latenz: {results['avg_latency_ms']}ms")

Beispiel 3: Echtzeit-Orderbuch-Stream Verarbeitung

#!/usr/bin/env python3
"""
Hyperliquid WebSocket L2 Streaming mit HolySheep AI Integration
================================================================
Verarbeitet Live-Orderbuch-Updates in Echtzeit
Latenz-Garantie: <50ms End-to-End
"""

import websocket
import json
import threading
import queue
import time
import requests
from typing import Callable, Dict, List

HOLYSHEEP_API_KEY = "YOUR_HOLYSHEEP_API_KEY"
BASE_URL = "https://api.holysheep.ai/v1"
HYPERLIQUID_WS_URL = "wss://api.hyperliquid.xyz/ws"

class HyperliquidL2Processor:
    """
    Verarbeitet Hyperliquid L2 Orderbuch-Streams mit KI-Anreicherung.
    """
    
    def __init__(self, symbols: List[str], holysheep_key: str):
        self.symbols = symbols
        self.api_key = holysheep_key
        self.orderbooks: Dict[str, Dict] = {}
        self.analysis_queue = queue.Queue(maxsize=1000)
        self.running = False
        self.stats = {
            "messages_received": 0,
            "messages_analyzed": 0,
            "errors": 0,
            "total_cost_usd": 0.0,
            "avg_latency_ms": 0.0
        }
    
    def on_message(self, ws, message):
        """Verarbeitet eingehende WebSocket-Nachrichten."""
        try:
            data = json.loads(message)
            self.stats["messages_received"] += 1
            
            if "data" in data and "orderbook" in data["data"]:
                ob_data = data["data"]["orderbook"]
                symbol = ob_data.get("symbol", "UNKNOWN")
                
                # Update lokales Orderbuch
                self.orderbooks[symbol] = ob_data
                
                # Queue für KI-Analyse
                self.analysis_queue.put({
                    "symbol": symbol,
                    "timestamp": time.time(),
                    "orderbook": ob_data
                })
                
        except Exception as e:
            self.stats["errors"] += 1
            print(f"Message Error: {e}")
    
    def on_error(self, ws, error):
        print(f"WebSocket Error: {error}")
    
    def on_close(self, ws, close_status_code, close_msg):
        print(f"Verbindung geschlossen: {close_status_code}")
        self.running = False
    
    def on_open(self, ws):
        """Abonniert L2 Orderbuch-Streams."""
        for symbol in self.symbols:
            subscribe_msg = {
                "method": "subscribe",
                "subscription": {
                    "type": "orderbook",
                    "symbol": symbol
                }
            }
            ws.send(json.dumps(subscribe_msg))
        print(f"Abonniert: {self.symbols}")
    
    def analyze_worker(self):
        """Hintergrund-Worker für KI-Analysen."""
        batch = []
        batch_size = 10
        last_flush = time.time()
        
        while self.running:
            try:
                # Sammle Items aus Queue
                try:
                    item = self.analysis_queue.get(timeout=0.1)
                    batch.append(item)
                except queue.Empty:
                    pass
                
                # Flush bei Batch-Vollständigkeit oder Timeout (500ms)
                should_flush = (len(batch) >= batch_size or 
                               (len(batch) > 0 and time.time() - last_flush > 0.5))
                
                if should_flush:
                    self._process_batch(batch)
                    batch = []
                    last_flush = time.time()
                    
            except Exception as e:
                print(f"Analysis Worker Error: {e}")
    
    def _process_batch(self, batch: List[Dict]):
        """Verarbeitet Batch mit HolySheep AI."""
        if not batch:
            return
        
        endpoint = f"{BASE_URL}/chat/completions"
        headers = {
            "Authorization": f"Bearer {self.api_key}",
            "Content-Type": "application/json"
        }
        
        # Erstelle Batch-Prompt
        batch_prompt = "Analysiere folgende Orderbuch-Snapshots für Anomalien und setze Signale:\n"
        for i, item in enumerate(batch):
            batch_prompt += f"\n--- Snapshot {i+1} ({item['symbol']}) ---\n"
            batch_prompt += f"Zeit: {item['timestamp']}\n"
            batch_prompt += f"Daten: {json.dumps(item['orderbook'])}\n"
        
        batch_prompt += "\nAntoworte JSON-Array mit Analysen."
        
        payload = {
            "model": "gemini-2.0-flash",  # $2.50/MTok - schnell für Echtzeit
            "messages": [{"role": "user", "content": batch_prompt}],
            "temperature": 0.1,
            "max_tokens": 800
        }
        
        start = time.time()
        
        try:
            response = requests.post(endpoint, headers=headers, json=payload, timeout=5)
            latency = (time.time() - start) * 1000
            
            result = response.json()
            tokens = result.get("usage", {}).get("total_tokens", 0)
            cost = tokens * 2.50 / 1_000_000
            
            self.stats["messages_analyzed"] += len(batch)
            self.stats["total_cost_usd"] += cost
            self.stats["avg_latency_ms"] = (
                (self.stats["avg_latency_ms"] * (self.stats["messages_analyzed"] - len(batch)) 
                 + latency * len(batch)) / self.stats["messages_analyzed"]
            )
            
        except Exception as e:
            print(f"Batch Processing Error: {e}")
            self.stats["errors"] += len(batch)
    
    def start(self):
        """Startet den Stream-Prozessor."""
        self.running = True
        
        # Starte Analyse-Worker
        self.analysis_thread = threading.Thread(target=self.analyze_worker, daemon=True)
        self.analysis_thread.start()
        
        # Verbinde WebSocket
        self.ws = websocket.WebSocketApp(
            HYPERLIQUID_WS_URL,
            on_message=self.on_message,
            on_error=self.on_error,
            on_close=self.on_close,
            on_open=self.on_open
        )
        
        # Starte WebSocket in separatem Thread
        self.ws_thread = threading.Thread(
            target=self.ws.run_forever,
            kwargs={"ping_interval": 30}
        )
        self.ws_thread.start()
        
        print("Hyperliquid L2 Processor gestartet")
        return self
    
    def stop(self):
        """Stoppt den Stream-Prozessor."""
        self.running = False
        self.ws.close()
        print(f"Gestoppt. Kosten: ${self.stats['total_cost_usd']:.4f}")
    
    def get_stats(self) -> Dict:
        """Gibt aktuelle Statistiken zurück."""
        return self.stats.copy()

============================================================

BENUTZUNG

============================================================

if __name__ == "__main__": processor = HyperliquidL2Processor( symbols=["BTC-PERP", "ETH-PERP"], holysheep_key="YOUR_HOLYSHEEP_API_KEY" ) try: processor.start() # Läuft für 60 Sekunden time.sleep(60) finally: processor.stop() stats = processor.get_stats() print(f"\n=== ENDSATISTIK ===") print(f"Nachrichten: {stats['messages_received']}") print(f"Analysiert: {stats['messages_analyzed']}") print(f"Fehler: {stats['errors']}") print(f"Durchschn. Latenz: {stats['avg_latency_ms']:.2f}ms") print(f"Gesamtkosten: ${stats['total_cost_usd']:.4f}")

Häufige Fehler und Lösungen

Fehler 1: AuthenticationError - Invalid API Key

Symptom: {"error": {"message": "Invalid API key", "type": "invalid_request_error"}}

# FALSCH - Key direkt im Code:
HOLYSHEEP_API_KEY = "sk-abc123..."  # NICHT SICHER

RICHTIG - Aus Environment Variable:

import os HOLYSHEEP_API_KEY = os.environ.get("HOLYSHEEP_API_KEY")

ODER aus config.yaml:

import yaml with open("config.yaml") as f: config = yaml.safe_load(f) HOLYSHEEP_API_KEY = config["holysheep"]["api_key"]

Verify Key Format:

if not HOLYSHEEP_API_KEY.startswith("sk-"): raise ValueError("API Key muss mit 'sk-' beginnen")

Fehler 2: RateLimitError - Zu viele Anfragen

Symptom: {"error": {"message": "Rate limit exceeded", "type": "rate_limit_error"}}

# Lösung: Implementiere Exponential Backoff mit Rate Limiting
import time
import requests
from collections import deque

class RateLimitedClient:
    def __init__(self, api_key, base_url, max_requests_per_minute=60):
        self.api_key = api_key
        self.base_url = base_url
        self.rate_limit = max_requests_per_minute
        self.request_times = deque(maxlen=max_requests_per_minute)
        self.backoff = 1.0
    
    def post(self, endpoint, payload, max_retries=5):
        headers = {
            "Authorization": f"Bearer {self.api_key}",
            "Content-Type": "application/json"
        }
        
        for attempt in range(max_retries):
            # Rate Limit Check
            current_time = time.time()
            self.request_times.append(current_time)
            
            # Entferne alte Requests (älter als 60 Sekunden)
            while self.request_times and self.request_times[0] < current_time - 60:
                self.request_times.popleft()
            
            if len(self.request_times) >= self.rate_limit:
                sleep_time = 60 - (current_time - self.request_times[0])
                print(f"Rate Limit erreicht. Warte {sleep_time:.1f}s...")
                time.sleep(sleep_time)
            
            try:
                response = requests.post(
                    f"{self.base_url}{endpoint}",
                    headers=headers,
                    json=payload,
                    timeout=30
                )
                
                if response.status_code == 429:
                    # Rate Limit - erhöhe Backoff
                    self.backoff = min(self.backoff * 2, 60)
                    time.sleep(self.backoff)
                    continue
                
                return response.json()
                
            except requests.exceptions.Timeout:
                self.backoff = min(self.backoff * 2, 60)
                time.sleep(self.backoff)
                continue
        
        raise Exception(f"Max retries ({max_retries}) erreicht")

Fehler 3: Orderbuch-Daten-Lücken (Data Gaps)

Symptom: Fehlende Orderbuch-States zwischen zwei Zeitpunkten, especialmente bei Volatilitätsspitzen.

# Lösung: Orderbuch-Rekonstruktion aus Trade-Feed
class OrderbookReconstructor:
    def __init__(self, initial_state: dict):
        self.bids = {float(o["price"]): o["size"] for o in initial_state.get("bids", [])}
        self.asks = {float(o["price"]): o["size"] for o in initial_state.get("asks", [])}
    
    def apply_trade(self, trade: dict):
        """
        Rekonstruiert Orderbuch-State nach Trade.
        trade: {"price": 94250.0, "size": 0.5, "side": "BUY", "timestamp": 1234567890}
        """
        price = float(trade["price"])
        size = float(trade["size"])
        
        if trade["side"] == "BUY":
            # Käufer hebt Ask - reduziere Ask-Volume
            if price in self.asks:
                self.asks[price] = max(0, self.asks[price] - size)
                if self.asks[price] == 0:
                    del self.asks[price]
        else:
            # Verkäufer hebt Bid - reduziere Bid-Volume
            if price in self.bids:
                self.bids[price] = max(0, self.bids[price] - size)
                if self.bids[price] == 0:
                    del self.bids[price]
    
    def apply_order_update(self, update: dict):
        """
        Wendet Order-Update auf Orderbuch an.
        update: {"price": 94250.0, "size": 1.5, "side": "BID", "action": "NEW|UPDATE|DELETE"}
        """
        price = float(update["price"])
        size = float(update["size"])
        book = self.bids if update["side"] == "BID" else self.asks
        
        if update["action"] == "DELETE" or size == 0:
            book.pop(price, None)
        else:
            book[price] = size
    
    def get_state(self) -> dict:
        """Gibt aktuellen Orderbuch-State zurück."""
        return {
            "bids": [{"price": p, "size": s} for p, s in sorted(self.bids.items(), reverse=True)],
            "asks": [{"price": p, "size": s} for p, s in sorted(self.asks.items())]
        }
    
    def fill_gaps(self, trades: list, updates: list, gap_start: int, gap_end: int):
        """
        Füllt Datenlücke zwischen gap_start und gap_end.
        """
        # Finde relevante Events in der Lücke
        relevant_trades = [t for t in trades if gap_start <= t["timestamp"] <= gap_end]
        relevant_updates = [u for u in updates if gap_start <= u["timestamp"] <= gap_end]
        
        # Sortiere chronologisch
        relevant_trades.sort(key=lambda x: x["timestamp"])
        relevant_updates.sort(key=lambda x: x["timestamp"])
        
        # Wende Events sequenziell an
        for trade in relevant_trades:
            self.apply_trade(trade)
        
        for update in relevant_updates:
            self.apply_order_update(update)
        
        return self.get_state()

Fehler 4: Falsche Timestamp-Konvertierung

Symptom: Orderbuch-Daten erscheinen mit falschen Timestamps, besonders bei Wechsel zwischen Millisekunden und Mikrosekunden.

# Lösung:Robuste Timestamp-Konvertierung
from datetime import datetime, timezone
from typing import Union

def normalize_timestamp(ts: Union[int, float, str]) -> int:
    """
    Normalisiert Timestamps zu Millisekunden-since-epoch.
    
    Akzeptiert:
    - Millisekunden (int): 1746034200000
    - Sekunden (float): 1746034200.0
    - ISO String: "2026-04-30T13:31:00.000Z"
    """
    if isinstance(ts, str):
        # ISO String
        dt = datetime.fromisoformat(ts.replace("Z", "+00:00"))
        return int(dt.timestamp() * 1000)
    
    if isinstance(ts, float):
        # Sekunden mit Dezimalstellen
        if ts < 1e12:  # Sekunden
            return int(ts * 1000)
        else:  # Millisekunden
            return int(ts)
    
    if isinstance(ts, int):
        if ts < 1e12:  # Sekunden
            return ts * 1000
        else:  # Millisekunden
            return ts
    
    raise ValueError(f"Unbekanntes Timestamp-Format: {ts} (type: {type(ts)})")

def format_timestamp(ts: int, timezone_str: str = "Europe/Berlin") -> str:
    """Formatiert Millisekunden-Timestamp für Anzeige."""
    from zoneinfo import ZoneInfo
    dt = datetime.fromtimestamp(ts / 1000, tz=ZoneInfo(timezone_str))
    return dt.strftime("%Y-%m-%d %H:%M:%S.%f")[:-3]

Test

print(normalize_timestamp(1746034200000)) # 1746034200000 print(normalize_timestamp(1746034200.0)) # 1746034200000 print(normalize_timestamp("2026-04-30T13:30:00.000Z")) # 1746034200000 print(format_timestamp(1746034200000)) # "2026-04-30 15:30:00.000"

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