{"slug":"price-time-priority-vs-pro-rata","qid":"option_print_sizes","label":"AAPL option prints by contract count, 17 June 2026","post_title":"Price-Time Priority vs Pro-Rata Fills","post_url":"/blog/price-time-priority-vs-pro-rata#q-option_print_sizes","columns":["size_bucket","share_pct"],"rows":[{"size_bucket":"1 contract","share_pct":48.5},{"size_bucket":"2 to 5 contracts","share_pct":31},{"size_bucket":"6 to 25 contracts","share_pct":16.6},{"size_bucket":"26 to 100 contracts","share_pct":3.5},{"size_bucket":"over 100 contracts","share_pct":0.4}],"shape":"ranking","sql":"SELECT\n    multiIf(size = 1,    '1 contract',\n            size <= 5,   '2 to 5 contracts',\n            size <= 25,  '6 to 25 contracts',\n            size <= 100, '26 to 100 contracts',\n                         'over 100 contracts')       AS size_bucket,\n    round(100.0 * count() / sum(count()) OVER (), 1)  AS share_pct\nFROM global_markets.options_trades\nWHERE underlying_symbol = 'AAPL'\n  AND sip_timestamp >= '2026-06-17 13:30:00'\n  AND sip_timestamp <  '2026-06-17 20:00:00'\nGROUP BY size_bucket\nORDER BY share_pct DESC","computed_at":"2026-08-08T15:20:56.199586+00:00","elapsed":0.002447477}