NASDAQ:SPRO Technical Analysis

Spero Therapeutics, Inc. — Technical Analysis & Chart Patterns

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Seven formations appear in SPRO's daily price history. A donchian breakout, bearish completed with a downward breakout on September 10, 2026; a marubozu, opening black printed a bearish signal on September 17, 2026; a double bottom, Adam & Eve is currently forming and has not yet triggered; a three rising valleys is currently forming and has not yet triggered; a scallop, descending is currently forming and has not yet triggered; a doji, southern printed a bullish signal on September 21, 2026; a doji, gapping up printed a bearish signal on September 21, 2026.

Signal balance Bearish tilt 2 bullish (1.5) · 3 bearish (5)
Live signals only, weighted by each pattern's measured edge (proven counts double promising, which counts double unproven; confirmed breakouts count full, forming setups, phases and candles half). Trades that already resolved don't vote. 2 signals from negative-edge patterns excluded.

Patterns

last close, adjusted
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FORMING
Double Bottom, Adam & Eve — Jul 24, 2026 to Sep 21, 2026
FORMING
Three Rising Valleys — Jul 24, 2026 to Sep 21, 2026
FORMING
Scallop, Descending — Jul 24, 2026 to Sep 21, 2026
BREAKOUT UP
Doji, Southern — Sep 21, 2026 to Sep 21, 2026 · broke out on Sep 21, 2026
BREAKOUT DOWN
Doji, Gapping Up — Sep 21, 2026 to Sep 21, 2026 · broke out on Sep 21, 2026
BREAKOUT DOWN
Marubozu, Opening Black — Sep 17, 2026 to Sep 17, 2026 · broke out on Sep 17, 2026
BREAKOUT DOWN
Donchian Breakout, Bearish — Aug 12, 2026 to Sep 9, 2026 · broke out on Sep 10, 2026
Detected on this chart: Double Bottom, Adam & Eve (forming now), Three Rising Valleys (forming now), Scallop, Descending (forming now), Doji, Southern, Doji, Gapping Up, Marubozu, Opening Black, Donchian Breakout, Bearish. Subscribe to Pro to see each one drawn on the chart with its trigger price, measure-rule target, stop and simulated trade result.

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