Bitcoin Exchange Flow Note – Detailed Statistics & Updated Analysis (as of early October 2026)

Key Context
The monthly average exchange inflow-to-outflow ratio has declined to approximately 0.97 and continues trending lower. This indicates that outflows are dominating inflows across platforms, consistent with investors moving Bitcoin into self-custody for longer-term holding while prices have continued to rise.

Major Statistics on Flows and Reserves

  • Record single-day net outflow (late September 2026): Approximately 13,800–13,878 BTC left in one day — the largest daily net outflow recorded since 2023 (valued around $1.1 billion at prevailing prices).

  • Four-day reserve decline (late September): Holdings on the largest platform fell from roughly 705,000 BTC to 685,000 BTC, a reduction of about 20,000 BTC.

  • Weekly average netflow (late September period): Approximately –2,000 BTC.

  • Cumulative outflows following the peak day: Around –23.7K BTC over the subsequent ~11 days into early October.

  • Recent 7-day window (ending 4 October 2026): Overall centralized platforms recorded net outflows of 6,762 BTC. One major platform alone accounted for outflows of approximately 1,923 BTC in that period.

  • The largest platform continues to hold roughly 30% of the Bitcoin available across investor-accessible exchanges.

  • Broader exchange reserves overall have reached multi-year lows (near 2.68 million BTC).

Supporting Market Context
Bitcoin had advanced roughly 45% from its July levels, holding above key prior highs near $82,000. Funding rates remained near neutral during these moves, pointing to spot-driven activity rather than leveraged positioning.

Updated Analysis
These large and sustained net outflows reinforce the constructive reading of the sub-1.0 inflow/outflow ratio. When more Bitcoin leaves trading platforms than enters them, the immediately available sell-side supply declines. This behaviour is typically associated with accumulation and longer-term holding preferences. The pattern that began with the late-September spike has continued, though at a more moderate pace in the most recent seven-day data. Combined with neutral leverage conditions and multi-year low overall exchange reserves, the flow data supports a structural backdrop favourable to holders.

Caveats & Watchpoints
Netflow figures show the direction of movement but do not confirm final ownership intent (coins may move between platforms, into institutional custody, or true self-custody). A sustained shift back to net inflows would reduce the current supply-side support and could contribute to near-term price consolidation.

These metrics remain one input among several and should be monitored alongside price action, broader demand indicators, and overall market liquidity.


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