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BHVN stock – Biohaven Pharmaceutical Holding Co Ltd sideways range & retest history

NYSE

On the weekly chart, BHVN has been moving sideways between $7.48 and $18.57 since 26 Oct 2025.

Since 2023, NasdaqScan has found 2 sideways ranges in BHVN. The completed range lasted 679 days. It broke downward. The latest retest signal NasdaqScan detected in BHVN was in the week of 18 May 2025, below the earlier $16.45 – $62.21 range.

The pattern: price breaks out below a long sideways range, the pullback back into the range fails, and price comes back to retest the low. Traders also call this a spring. NasdaqScan flags the weekly candle that makes the retest.

Weekly chart: each candle is one week of trading, and every date on this page is the week it falls in.

Gold dashed bands mark earlier sideways ranges, from their first swing to where they broke. Pick a range in the table below to zoom the chart to it.

Sideways ranges

RangeStartedEndedHow it endedRetest signals (week of)
26 Oct 2025Open——
17 Sept 202327 Jul 2025 (679 days)Broke below the range at $12.7918 May 2025 (Go ahead)

Retest signals detected

  • Week of 18 May 2025: retest of the low after a breakout below a sideways range, 609 days after the range began (Go ahead)

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Past patterns don't predict future price moves. This page shows what an automated algorithm detected and is not financial advice. Read the disclaimer.

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