$BTC Rallies 26% as ETFs Add $2.23B and Shorts Flush

A record single-day short liquidation cascade on August 19, 2026, ignited a 26% Bitcoin rally off the mid-August low, with 85% of liquidations across the squeeze window on the short side, the largest such flush in the dataset's history back to 2019. The move was paid for by real capital: US spot ETFs pulled in $2.23B over the squeeze week without a single outflow day, the strongest seven-day intake of 2026 and the largest single-day creation since January 14, 2026. Price reclaimed the Short-Term Holder Cost Basis on the way through.

The breadth of the bid is the cleanest read. The 30-day Accumulation Trend Score sits at or above the 0.5 neutral line across all six wallet-size cohorts, a 20-day stretch already the most persistent all-cohort accumulation since a 22-day run in late 2024. Since the June 30, 2026 low, entities holding 1k-10k BTC shed 50.5K BTC while the largest band (above 100k BTC, dominated by exchanges, custodians and ETF wrappers) absorbed 59.1K BTC. The squeeze week concentrated that pattern: the custody band gained 31.5K BTC, roughly the same scale as the week's ETF creations.

Why it matters

The squeeze deleveraged the market it ran through. Futures Open Interest shrank 11% in coin terms across the window while the dollar book grew only because price rose, meaning liquidated shorts were not replaced with fresh contracts. The perpetual funding rate barely left its neutral baseline and still printed occasional negative hours afterward, so the rally was never chased with fresh leverage. This was a stop-cluster flush, not a chase.

The cycle composite, the median of 45 cycle indicators, has climbed back to its neutral boundary at 40 after seven months below it. Across every prior stay in the cold and cool bands (2014-2015, 2018-2019, 2020, 2022-2023), each one sat in the low zone of its cycle. The gauge places this recovery early on the cycle map, far from readings that accompanied prior tops.

Market impact

What stands between this rally and the January high is one band. 1.05M BTC of long-term holder supply sits between $83K and $86K, the first heavy cost-basis shelf above spot at $79K. Effectively all of it has held through the entire drawdown. Resting asks 100-1000 bps above the mid grew 41% over the window's last five days while bids thinned 32% across the visible book. The first self-custody cost-basis shelf begins at $80.8K, dealer gamma flips negative at $82.3K, the surviving liquidation shelf runs to $86K, and the patient-supply wall fills $83K-$86K.