As of March 18, 2026, Bitcoin liquidity is characterized by a significant supply squeeze on centralized exchanges and stabilized institutional flows through ETFs. 

Exchange Reserves at Record Lows: Bitcoin held on centralized exchanges has dropped to a record low of between 2.43 million and 2.70 million BTC as of mid-March. This indicates a move toward long-term holding and reduced immediate sell-side liquidity.

Stabilized ETF Inflows: After a period of de-risking earlier in the year, spot Bitcoin ETFs have seen a return to net inflows, with recent weekly gains of approximately $568M to $787M. This institutional demand is anchoring prices despite overall thin market depth.