BTC.NZ is trading 3.06% higher at NZD 3.30, extending gains from September 21 and September 22, with the move appearing to reflect continued Bitcoin-ETF momentum or trading activity rather than a confirmed event. - Bitcoin is only 0.14% higher since the previous close and down 1.86% over 24 hours. - No company-specific announcement or major catalyst was identified for September 23; available ETF news coverage also reports no clear catalyst.