Here is the latest update on US spot BTC ETF flows for Wednesday, October 28, 2026. Spot Bitcoin ETFs have successfully logged a third consecutive positive session. During Wednesday, the market experienced net inflows of +$137.3m. IBIT was responsible for nearly this entire upward movement, contributing +$136.0m on its own. With these new numbers factored in, the week-to-date flows now stand at a total of +$423.6m.