{"symbol": "US500", "markets": [{"exchange": "lighter", "symbol": "US500", "price": 7656.9, "funding_rate": 4e-06, "open_interest": 318.74758, "volume_24h": 1259773.332998, "market_id": 180, "source_symbol": "US500", "best_bid": null, "best_ask": null}], "opportunity": {"symbol": "US500", "open_spread": 0.0, "open_spread_text": "0.00% / 0.00%", "exchanges": "lighter", "exchange_html": "<span class='venue-b'>lighter</span>", "funding_text": "0.0004%/h / 0.0004%/h", "funding_rate": 4e-06, "index_spread": null, "index_spread_text": "--/--", "volume_text": "1.26M", "volume_24h": 1259773.332998, "detail_url": "/coin?symbol=US500", "funding_url": "/funding?symbol=US500"}, "spreads": []}