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HTFL (Heartflow, Inc.): every AI call and what happened next

TradeFlare's AI research teams analysed HTFL on 5 market nights between August 18, 2026 and September 21, 2026. Each row is that night's verdict, the price that day, and how the price actually moved afterwards — wins and misses alike. Nothing is edited after the fact.

5 calls 4 BUY · 1 HOLD · 0 SELL BUY calls up after 20 trading days: 2 of 4
DateVerdictPriceTarget / stop5 days later20 days laterWhy (that night)
September 21, 2026 HOLD $50.75 — / — -0.8% not yet
The current setup does not warrant a buy, and the stock is being held for further observation.
August 24, 2026 BUY $49.75 $62.19 / $42.29 +0.4% -0.1%
The post-earnings drift signal suggests momentum could persist for several weeks.
August 22, 2026 BUY $49.75 $60.70 / $42.29 +0.4% -0.1%
The post-earnings drift signal suggests momentum could persist for several weeks.
August 21, 2026 BUY $46.80 $50.53 / $34.30 -4.0% +1.2%
The post-earnings drift signal suggests momentum could persist for several weeks.
August 18, 2026 BUY $41.94 $47.17 / $35.65 +10.3% +6.8%
The post-earnings drift signal suggests continued upward momentum over the coming weeks.

Prices are daily closes. "Days later" counts trading days from the close on the day of the call. A HOLD is not a recommendation to buy; only published signals are tracked with a target and stop on the public record. How the research works. Updated October 14, 2026. AI-generated research for educational purposes — it can be wrong and is not financial advice.