PIO stock price history
STOCKListed1, 5, 15, 30-minute, hourly & daily bars
| Symbol | PIO |
|---|---|
| History | 2005-01-03 to 2026-11-06 (about 21 years) |
| Bar sizes | 1-minute, 5-minute, 15-minute, 30-minute, hourly and daily |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
PIO last closed at $44.17 on 2026-11-06. Its deepest fall from a prior high in this history was -3.7%, reached on 2026-11-06.
| Last close | $44.17 (2026-11-06) |
|---|---|
| 52-week range | $44.17 – $45.87 |
| Deepest drawdown | -3.7% (2026-11-06) |
| Avg. daily dollar volume (3 months) | $319,241 |
| Daily bars in history | 5 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 117 |
|---|---|
| Shares held | 2,324,924 ($104.7m reported value) |
| Quarter flows | 16 new, 26 added, 20 trimmed, 12 exited; +39,931 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("PIO") on the look-back bundles. Top holders of PIO · All 13F managers
Short interest (2026-10-15)
| Shares short | 576 (+19.0% vs prior report) |
|---|---|
| Days to cover | 1.00 |
PIO short interest history · Unclassified (ETFs, funds, other) sector
PIO FAQ
How far back does PIO price history go?
2005-01-03 to 2026-11-06
Is PIO still trading?
Yes. PIO is listed and updated every trading day.
What was PIO's last close?
$44.17 on 2026-11-06
How do I download PIO historical data in Python?
pip install finzdata, then yf.Ticker("PIO").history(start="2005-01-03")
Get it in Python
import finzdata as yf
df = yf.Ticker("PIO").history(start="2005-01-03", interval="1d")
m15 = yf.Ticker("PIO").history(period="5d", interval="15m") # also 1m, 5m, 30m, 1h
df.tail()