{"slug":"how-to-become-a-market-maker","qid":"spread_by_name","label":"Average quoted spread across six household names, midday July 16 2026","post_title":"How to Become a Registered Market Maker","post_url":"/blog/how-to-become-a-market-maker#q-spread_by_name","columns":["ticker","avg_spread_bps","quote_update_count"],"rows":[{"ticker":"AAPL","avg_spread_bps":1.23,"quote_update_count":145511},{"ticker":"KO","avg_spread_bps":1.41,"quote_update_count":31083},{"ticker":"NVDA","avg_spread_bps":1.43,"quote_update_count":112402},{"ticker":"MSFT","avg_spread_bps":1.91,"quote_update_count":16729},{"ticker":"PFE","avg_spread_bps":3.98,"quote_update_count":9789},{"ticker":"F","avg_spread_bps":7.09,"quote_update_count":6528}],"shape":"ranking","sql":"SELECT\n    ticker,\n    round(avg(10000 * (toFloat64(ask_price) - toFloat64(bid_price))\n              / ((toFloat64(ask_price) + toFloat64(bid_price)) / 2)), 2) AS avg_spread_bps,\n    count()                                                              AS quote_update_count\nFROM global_markets.cache_stocks_quotes\nWHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'KO', 'F', 'PFE')\n  AND sip_timestamp >= toDateTime('2026-07-16 16:00:00')\n  AND sip_timestamp <  toDateTime('2026-07-16 16:30:00')\n  AND bid_price > 0\n  AND ask_price > bid_price\nGROUP BY ticker\nORDER BY avg_spread_bps","computed_at":"2026-08-15T15:39:50.872951+00:00","elapsed":0.002234599}