Tickers count as alive for 10 rows after their last bar, so a newest row printed by a few early tickers is dropped until the rest arrive. The benchmark-print session rule now applies only to the mixed US/HK ETF panel: Yahoo's 510300.SS lags CN stocks by days and would stall the CN book. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>