Decline depth
—
Decline depth is unavailable in this snapshot. Other recorded rules determine the flag.
Watch
4527.TRohto Pharmaceutical Co.,Ltd.
6.0σ
decline sigma — volatility-normalized move (typical daily 1.8%)
Current
2,784.50 JPY
Decline depth
—
Decline σ
6.0σ
TFC
0/5 bearish
Where it stands
On the Watch.
Decline measures 6.0 standard deviations of typical daily moves.
Snapshot . Price structure, not a judgment about the business.
What changed
Since the previous observation.
Tier and recovery signal are unchanged between these two observations.
Comparing with . This compares classification, not price returns.
See the recorded timeline →Why it is flagged
4527.T qualifies for the Watch on decline sigma.
Decline measures 6.0 standard deviations of typical daily moves. The most severe triggered rule determines the tier.
Inspect the three classification measures
Time-frame continuity
0/5 bearish
Latest bar on five time frames, daily to yearly. Bearish = 2-Down or red 3.
Decline sigma
6.0σ
Drop over the last 20 bars in units of daily volatility (1.8%/day).
Past the ≥6σ Amber threshold.
Price history
The price path behind the snapshot.
Daily prices with the rolling-high reference. When a recorded classification event falls on a displayed trading date, it is marked on the chart.
Price chart unavailable for this symbol. The snapshot and recorded classification history remain available below.
The recorded history
A timeline of observations.
First observed 2026-09-09. These are scan observations, not exact transition times or the start of a decline. Missing scan dates are not filled in.
- Amber List → Watch
- Watch → Amber List
- First observed: Watch
Absence from a captured list does not establish recovery. Historical tiers reflect the rules and data recorded at that time.
Technical interpretation and signal details
The structural read
What price action says about 4527.T.
4527.T qualifies for the Watch on decline sigma — the recent drop measures 6.0σ 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.
Questions about 4527.T
What people ask.
Why is 4527.T on Broken Stocks?
4527.T qualifies for the Watch on decline sigma. The recent drop measures 6.0σ 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 (1.8%).
Is 4527.T a falling knife?
4527.T 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 4527.T 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 4527.T trading inside its 52-week range?
At 2,784.50 JPY, 4527.T sits 60.9% of the way from its 52-week low (2,258.00 JPY) to its 52-week high (3,122.00 JPY). A reading below 25% indicates price is hugging the bottom of the range; above 75%, the top.