Bitcoin ETFs post $2.6B inflows as RSI signals momentum shift
A weekly momentum divergence on Bitcoin signaled last week’s advance before macro catalysts arrived. Price rose from roughly $64,000 to just under $80,000 in four sessions as long-end US yields fell after the Treasury expanded buyback operations, crypto executives met at the White House, and the SEC published its Regulation Crypto Assets proposal. These events coincided with a setup months in the making.
The divergence
Bitcoin made lower lows in the first half of 2026 while weekly RSI made higher lows: a bullish divergence that appears infrequently on higher timeframes. A similar structure formed into late 2022 before the bear market low. The pattern predated the Treasury announcement, the White House meeting, and subsequent liquidations. Catalysts often need favorable conditions to produce large moves.
Bitcoin (BTC/USD) weekly, log scale, with RSI. Price made lower lows into late 2022 and again into mid-2026, while RSI made higher lows on both occasions. Source: TradingView
Daily momentum shift
Daily RSI moved from the low 40s to above 80 within days in mid-August, peaking near 90. A comparable move occurred from December 2022 to mid-January 2023 when RSI reached 87.40 following a compressed base. Overbought readings are not standalone sell signals and can persist during trends. Rapid RSI expansion indicates a regime shift in market behavior rather than a specific price target.
Bitcoin (BTC/USD) daily with RSI. Late 2022 into January 2023 on the left, August 2026 on the right. Source: TradingView
Flows and positioning
- US spot Bitcoin ETFs saw about $1.92 billion of inflows over the five sessions to 21 August, the strongest week of 2026 and the largest since October 2025, per SoSoValue. Ethereum funds added $697.2 million, for a combined $2.6 billion. Inflows on all five days reversed a prior $392 million weekly outflow.
- Bitcoin closed above its 200-day moving average near $69,000 for the first time in nine months.
- Short covering is finite. ETF subscriptions represent new capital and can persist.
- Despite the strong week, Bitcoin ETFs still show roughly $2.9 billion of net outflows in 2026. Ecoinometrics’ flow model indicates a supported range near $67,000 to $78,000 with fair value close to $72,000, placing spot near the upper end of flow-implied levels.
- Weekend derivatives: CoinGlass reported Bitcoin futures open interest down 2.65% on Sunday with funding near 0.01%, indicating leverage reduction rather than renewed risk.
The weekly divergence remains valid while price holds above its forming low. Key near term: whether ETF inflows resume once the creation channel reopens.
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