
EFFECTOR THERAPUTCS INC by eFFECTOR Therapeutics rose 300.0% from $0.00 to $0.00, ahead of the S&P 500's +9.8%. Its worst day was Dec 11 (−99.0%), and its low came Nov 11 at $0.00.
Nov 11, 2025 – Nov 5, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
EFFECTOR THERAPUTCS INC by eFFECTOR Therapeutics closed at its highest level of the year, 9900.0% above where the year started.
+9900.0%, the year's best day · S&P 500 +0.7%
Where it ended: a close of $0.00 on Nov 5, 2026.
Nothing in the past 12 months.
All EFTR earningsStory events cover the past 12 months · Times ET
Nothing in the past 12 months.
All EFTR analyst actionsNothing in the past 12 months.
All EFTR dividend historyNothing in the past 12 months.
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