chore: Remove dead Tradier integration

fetch_tradier_implied_volatility was never called and no Tradier key
has ever been provisioned; volatility is served by Yahoo + FRED
(+ Alpha Vantage when keyed). Removes the fetcher, config, and
.env.example entry.

.env.example

@@ -18,8 +18,6 @@ FRED_VIX_API_KEY=your_fred_api_key
 # Alpha Vantage (implied volatility; free tier is 25 req/day)
 ALPHA_VANTAGE_API_KEY=your_alphavantage_api_key
 
-# Tradier (options data for volatility basket)
-TRADIER_API_KEY=your_tradier_api_key
 
 # BLS - Bureau of Labor Statistics (macro basket)
 BLS_API_KEY=your_bls_api_key

mcp-servers/volatility-basket/server.py

@@ -52,14 +52,10 @@ server = Server("volatility-basket")
 # API Keys (optional - enables authoritative sources)
 FRED_API_KEY = os.getenv("FRED_API_KEY") or os.getenv("FRED_VIX_API_KEY")  # Get free key: https://fred.stlouisfed.org/docs/api/api_key.html
 ALPHA_VANTAGE_KEY = os.getenv("ALPHA_VANTAGE_API_KEY")  # Get free key: https://www.alphavantage.co/support/#api-key
-TRADIER_API_KEY = os.getenv("TRADIER_API_KEY")  # Get free key: https://developer.tradier.com/
 
 # Alpha Vantage API configuration (Secondary for Beta, Historical Volatility)
 ALPHA_VANTAGE_BASE_URL = "https://www.alphavantage.co/query"
 
-# Tradier API configuration (Primary for Implied Volatility)
-TRADIER_BASE_URL = "https://api.tradier.com/v1"
-
 # Yahoo Finance requires browser-like headers
 YAHOO_HEADERS = {
     "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
@@ -734,127 +730,6 @@ async def fetch_alpha_vantage_historical_volatility(ticker: str, period_days: in
         return None
 
 
-# ============================================================
-# TRADIER FETCHERS (Primary/Secondary for Implied Volatility)
-# ============================================================
-
-async def fetch_tradier_implied_volatility(ticker: str) -> Optional[dict]:
-    """
-    Fetch implied volatility from Tradier options chain.
-    Provides stock-specific IV from ATM options.
-
-    API: https://developer.tradier.com/
-    Requires free account creation.
-    """
-    if not TRADIER_API_KEY:
-        return None
-
-    try:
-        async with httpx.AsyncClient() as client:
-            headers = {
-                "Authorization": f"Bearer {TRADIER_API_KEY}",
-                "Accept": "application/json"
-            }
-
-            # First get current quote for ATM strike
-            quote_url = f"{TRADIER_BASE_URL}/markets/quotes"
-            quote_params = {"symbols": ticker.upper()}
-            quote_resp = await client.get(quote_url, params=quote_params, headers=headers, timeout=10)
-            quote_data = quote_resp.json()
-
-            quotes = quote_data.get("quotes", {}).get("quote", {})
-            if isinstance(quotes, list):
-                quotes = quotes[0] if quotes else {}
-
-            current_price = quotes.get("last", 0) or quotes.get("close", 0)
-            if not current_price:
-                return None
-
-            # Get options expirations
-            exp_url = f"{TRADIER_BASE_URL}/markets/options/expirations"
-            exp_params = {"symbol": ticker.upper()}
-            exp_resp = await client.get(exp_url, params=exp_params, headers=headers, timeout=10)
-            exp_data = exp_resp.json()
-
-            expirations = exp_data.get("expirations", {}).get("date", [])
-            if not expirations:
-                return None
-
-            # Use nearest expiration
-            nearest_exp = expirations[0] if isinstance(expirations, list) else expirations
-
-            # Get options chain
-            chain_url = f"{TRADIER_BASE_URL}/markets/options/chains"
-            chain_params = {
-                "symbol": ticker.upper(),
-                "expiration": nearest_exp,
-                "greeks": "true"
-            }
-            chain_resp = await client.get(chain_url, params=chain_params, headers=headers, timeout=10)
-            chain_data = chain_resp.json()
-
-            options = chain_data.get("options", {}).get("option", [])
-            if not options:
-                return None
-
-            # Filter calls and find ATM
-            calls = [o for o in options if o.get("option_type") == "call"]
-            if not calls:
-                return None
-
-            # Find ATM call (closest to current price)
-            atm_call = min(calls, key=lambda x: abs(x.get("strike", 0) - current_price))
-
-            # Get IV from greeks
-            greeks = atm_call.get("greeks", {})
-            iv = greeks.get("mid_iv", 0) or greeks.get("ask_iv", 0) or greeks.get("bid_iv", 0)
-
-            if not iv:
-                # Fallback to smv_vol if available
-                iv = greeks.get("smv_vol", 0)
-
-            if not iv:
-                return None
-
-            iv_pct = iv * 100  # Convert to percentage
-
-            # Interpretation
-            if iv_pct < 25:
-                interpretation = "Low IV - Market expects limited price movement"
-                swot_impact = "OPPORTUNITY"
-            elif iv_pct < 40:
-                interpretation = "Moderate IV - Normal expected movement"
-                swot_impact = "NEUTRAL"
-            elif iv_pct < 60:
-                interpretation = "High IV - Market expects significant movement"
-                swot_impact = "THREAT"
-            else:
-                interpretation = "Very high IV - Extreme movement expected (earnings, event)"
-                swot_impact = "THREAT"
-
-            # Use quote trade_date if available, else today
-            trade_date = quote.get("trade_date", datetime.now().strftime("%Y-%m-%d"))
-            if isinstance(trade_date, str) and "T" in trade_date:
-                trade_date = trade_date.split("T")[0]
-
-            return {
-                "metric": "Implied Volatility",
-                "ticker": ticker.upper(),
-                "value": round(iv_pct, 2),
-                "unit": "%",
-                "strike": atm_call.get("strike"),
-                "expiration": nearest_exp,
-                "interpretation": interpretation,
-                "swot_category": swot_impact,
-                "source": "Tradier",
-                "as_of": trade_date
-            }
-
-    except Exception as e:
-        logger.error(f"Tradier IV fetch error for {ticker}: {e}")
-        return None
-
-
 # ============================================================
 # MULTI-SOURCE AGGREGATOR
 # ============================================================

mcp_client.py

@@ -356,7 +356,7 @@ async def call_volatility_mcp(ticker: str) -> dict:
 
 
 async def call_volatility_all_sources_mcp(ticker: str) -> dict:
-    """Fetch volatility from ALL sources (Yahoo + Alpha Vantage + Tradier)."""
+    """Fetch volatility from ALL sources (Yahoo + Alpha Vantage)."""
     return await call_mcp_server(
         "volatility-basket",
         "get_all_sources_volatility",