Decline depth
—
Not currently in the rolling-252-day ≥20% decline universe.
Watch
ALKSAlkermes plc
5.0σ
decline sigma — volatility-normalized move (typical daily 2.19%)
Current
$48.02
Decline depth
—
Decline σ
5.0σ
TFC
3/5 bearish
Rolling 252-day high
Up day
Down day
Last 90 trading days · data from Alpaca
Since it joined the list
$ALKS landed on the list 2026-03-08, down 21.7% from its 52-week high that day — now $48.02.
It has clawed back 54.8 percentage points off that level. It bottomed 25.1% below that high along the way.
Decline from the 52-week high as it stood on 2026-03-09 (fixed anchor) → today. Split-adjusted, Alpaca. Observed history, not a forecast.
Structural break signals
ALKS qualifies for the Watch on decline sigma.
Time-frame continuity
3/5 bearish
Latest bar across daily/weekly/monthly/quarterly/yearly time frames. A bar counts as bearish when it's a 2-Down or a red 3.
Past the 3/5 Watch threshold.
Decline sigma
5.0σ
Drop from local high over the last 20 bars, expressed in units of the stock's typical daily volatility (2.19% per day).
Past the ≥4σ Watch threshold.
The structural read
What price action says about ALKS.
ALKS qualifies for the Watch on decline sigma — the recent drop measures 5.0σ over a 20-bar window. Sigma scales the move by the stock's own typical daily volatility, so a small percentage drop in a normally-quiet name can land here when the bigger players miss it on a pure-percent threshold.
Cross-confirmation: also showing 3/5 bearish time frames.
Upstream TFC read: bearish alignment, current phase daily. Last bar types — daily 2D (red), weekly 2D (red), monthly 1 (red).
Questions about ALKS
What people ask.
Why is ALKS on Broken Stocks?
ALKS qualifies for the Watch on decline sigma. The recent drop measures 5.0σ over a 20-bar window — large enough that even a small percentage drop is structurally significant given the stock's typical day-to-day volatility (2.19%).
Is ALKS a falling knife?
ALKS is on Broken Stocks for time-frame continuity or decline-sigma reasons rather than headline depth, so the falling-knife label doesn't cleanly apply. The phrase usually requires a meaningful percentage drop from a fresh high. See the structural break signals above for the axis that actually triggered the listing.
Is ALKS a buy?
Broken Stocks does not issue buy or sell recommendations. The list is a rules-based technical warning system. It tracks structural decline depth and recency — not company quality, management, fundamentals, or news. Always do your own research and consult a licensed advisor.
Where is ALKS trading inside its 52-week range?
At $48.02, ALKS sits 60.1% of the way from its 52-week low ($36.49) to its 52-week high ($55.67). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.