Echo Index archive
The week of 21 September 2026
ETH is rhyming with 2019 XBTCAD — its precedents went bullish
What this reading said
On 21 September 2026, Chart Echo measured 396 liquid stock and crypto charts against the historical archive. Each chart’s most recent 90 daily closes were matched against decades of price history, and the closest precedents were read for what they did next. That week, 63% of measured charts had precedent sets that leaned bullish, 20% leaned bearish, and 17% came back split.
The precedents behind it
Spotlight: ETH
ETH’s window most closely resembled XBTCAD (2019-02-04 → 2019-05-04), a 75% match. That single precedent, the one charted, moved +96.2% over the following 60 sessions. Across all 25 closest precedents, 72% resolved up and 24% down, with a median move of +24.46%.
Where the archive disagreed: FIGR_HELOC
FIGR_HELOC’s window most closely resembled ADXEUR (2023-07-12 → 2023-10-16), a 44% match. Across all 25 closest precedents, 44% resolved up and 44% down, with a median move of -0.59%.
Reading this in hindsight
This page is a permanent record of what the archive said at the time — it is not updated as the market resolves. That is the point: a precedent-based reading is only honest if it stays fixed after publication. A high bullish share was never a forecast that the market would rise; it recorded that most measured charts resembled history that had risen. Method and limits are documented in Methodology & limits.