{"slug":"midpoint-peg-orders-explained","qid":"subpenny_prints","label":"Share of trades printed off the penny grid, 10:00 to 11:00 a.m. ET, June 17 2026","post_title":"Midpoint Peg Orders Explained: Half-Cent Fills","post_url":"/blog/midpoint-peg-orders-explained#q-subpenny_prints","columns":["symbol","sub_penny_pct","half_cent_pct"],"rows":[{"symbol":"KO","sub_penny_pct":70.5,"half_cent_pct":7},{"symbol":"NVDA","sub_penny_pct":60.7,"half_cent_pct":6},{"symbol":"AAPL","sub_penny_pct":51.8,"half_cent_pct":8.9},{"symbol":"MSFT","sub_penny_pct":37.5,"half_cent_pct":10.2},{"symbol":"BLK","sub_penny_pct":32.2,"half_cent_pct":12.2},{"symbol":"SPY","sub_penny_pct":28.3,"half_cent_pct":8.3}],"shape":"ranking","sql":"SELECT\n    ticker                                                                                   AS symbol,\n    round(countIf(toUInt64(round(toFloat64(price) * 10000)) % 100 != 0) / count() * 100, 1)  AS sub_penny_pct,\n    round(countIf(toUInt64(round(toFloat64(price) * 10000)) % 100 =  50) / count() * 100, 1) AS half_cent_pct\nFROM global_markets.stocks_trades\nWHERE ticker IN ('SPY', 'KO', 'AAPL', 'MSFT', 'NVDA', 'BLK')\n  AND sip_timestamp >= '2026-06-17 14:00:00'\n  AND sip_timestamp <  '2026-06-17 15:00:00'\n  AND price > 0\nGROUP BY ticker\nORDER BY sub_penny_pct DESC","computed_at":"2026-08-09T15:29:20.381211+00:00","elapsed":0.003020824}