Decline depth
—
Not currently in the rolling-252-day ≥20% decline universe.
Watch
PHParker-Hannifin Corporation
4.2σ
decline sigma — volatility-normalized move (typical daily 2.19%)
Current
$1,000.13
Decline depth
—
Decline σ
4.2σ
TFC
2/5 bearish
Rolling 252-day high
Up day
Down day
Last 90 trading days · data from Alpaca
Since it joined the list
$PH landed on the list 2026-06-01, down 20.5% from its 52-week high that day — now $1,000.13.
It has clawed back 17.3 percentage points off that level. It bottomed 20.5% below that high along the way.
Decline from the 52-week high as it stood on 2026-06-01 (fixed anchor) → today. Split-adjusted, Alpaca. Observed history, not a forecast.
Structural break signals
PH qualifies for the Watch on decline sigma.
Time-frame continuity
2/5 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.
Decline sigma
4.2σ
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 PH.
PH qualifies for the Watch on decline sigma — the recent drop measures 4.2σ 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.
Questions about PH
What people ask.
Why is PH on Broken Stocks?
PH qualifies for the Watch on decline sigma. The recent drop measures 4.2σ 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 PH a falling knife?
PH 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 PH 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 PH trading inside its 52-week range?
At $1,000.13, PH sits 65.0% of the way from its 52-week low ($815.01) to its 52-week high ($1,099.94). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.