Rewrote main.py

producers/sp500.py

@@ -0,0 +1,57 @@
+import asyncio
+from tastytrade.dxfeed import Quote, Greeks
+from datetime import date, timedelta
+from tastytrade import instruments,DXLinkStreamer
+from loguru import logger
+from tastytrade.instruments import get_option_chain
+import json
+from utils import create_mqttc, load_config, parse_greek_event
+market_subs_list = ["SPX"]  # your subscription list, format per tastytrade docs
+config = load_config()
+async def get_spx_market(session):
+    mqttc = create_mqttc(config)
+    async with DXLinkStreamer(session) as streamer:
+        await streamer.subscribe(Quote, market_subs_list)
+        logger.info("Subscribed, streaming quotes... Press Ctrl+C to stop.")
+        try:
+            while True:
+                quote = await streamer.get_event(Quote)
+                mqttc.publish("SP500",str((quote.ask_price+quote.bid_price)/2))
+                # or process/yield the quote as needed
+        except asyncio.CancelledError:
+            logger.info("Streaming cancelled.")
+
+
+
+
+
+async def stream_spx_greeks(session, days_out=30):
+    mqttc = create_mqttc(config)
+    # Fetch option chain (blocking → thread)
+    chain = await asyncio.to_thread(get_option_chain, session, "SPX")
+
+    cutoff = date.today() + timedelta(days=days_out)
+    option_symbols = [
+        opt.streamer_symbol
+        for exp_date, opts in chain.items()
+        if exp_date <= cutoff
+        for opt in opts
+    ]
+
+    logger.info(f"Subscribing to {len(option_symbols)} SPX option contracts...")
+
+    async with DXLinkStreamer(session) as streamer:
+        # Here we pass the list as a single argument (no unpacking, no loop)
+        await streamer.subscribe(Greeks, option_symbols)
+
+        async for greek_event in streamer.listen(Greeks):
+            logger.info(f"Greek Event: {greek_event}")
+            mqttc.publish("SP500/oc",json.dumps(parse_greek_event(greek_event)))
+            
+def create_IV_histogram(mqttc):
+    mqttc.subscribe([("SP500",0),("SP500/oc",0)])
+    
+
+
+    
+