According to @rovercrc, BlackRock now holds 749,000 BTC; this claim should be verified against BlackRock’s iShares Bitcoin Trust daily holdings disclosures or SEC filings before trading, source: @rovercrc; BlackRock iShares Bitcoin Trust disclosures; SEC filings. If accurate, accumulation on this scale would reduce freely tradable supply and can tighten spot liquidity while lifting BTC futures basis and funding during ETF inflow surges, source: @rovercrc; BlackRock iShares Bitcoin Trust disclosures; CME Group data. Traders should look for confirmation via net US spot Bitcoin ETF inflows, IBIT share creations, BTC order book depth, and spot-futures spread behavior before positioning, source: @rovercrc; BlackRock iShares Bitcoin Trust disclosures; major exchange order books; CME Group.