BIS
ProShares - UltraShort Nasdaq Biotechnology
1W: +4.0%
1M: +8.3%
3M: -8.9%
YTD: -37.3%
1Y: -51.5%
3Y: -70.7%
5Y: -60.9%
$11.71
+0.07 (+0.64%)
Weekly Expected Move ±5.7%
$10
$11
$12
$12
$13
Overview
Chart
Holdings
Changes
Technicals
Analysis
Peers
Institutions
Dark Pool
Short Interest
Dividends
Weather
Oct Typical
⛈️
Stormy
-21.0% YTD avg
Midterm Year
⛈️
Stormy
-13.4% YTD avg
2026 Now
⛈️
Stormy
Below typical
20yr Avg YTD
-21.0%
Day 189 of 252
Midterm Year YTD
-13.4%
Presidential cycle avg
2026 YTD
-37.3%
Below 20yr avg
Typical Vol
46%
Annualized
Monthly Weather Forecast
Jan
20yr
⛈️
-0.9%
Midterm
⛅
+5.0%
19% win
47% vol
Feb
20yr
⛈️
-2.2%
Midterm
☀️
+9.3%
38% win
44% vol
Mar
20yr
⛈️
-2.6%
Midterm
☀️
+12.4%
50% win
59% vol
Apr
20yr
⛈️
-6.6%
Midterm
☀️
+11.2%
41% win
53% vol
May
20yr
⛈️
-8.8%
Midterm
☀️
+9.0%
41% win
48% vol
Jun
20yr
⛈️
-15.1%
Midterm
🌧️
-3.3%
29% win
47% vol
Jul
20yr
⛈️
-20.2%
Midterm
⛈️
-6.6%
29% win
40% vol
Aug
20yr
⛈️
-21.3%
Midterm
⛈️
-12.2%
47% win
49% vol
Sep
20yr
🌫️
-20.9%
Midterm
⛈️
-13.1%
53% win
44% vol
Oct
20yr
💨
-20.9%
Midterm
⛈️
-13.6%
59% win
46% vol
Now:
+4.9%
Nov
20yr
⛈️
-27.3%
Midterm
⛈️
-22.8%
12% win
46% vol
Dec
20yr
🌫️
-0.4%
Midterm
💨
+3.9%
44% win
43% vol
Seasonality (20yr)
Updated: 2026-10-02
YTD: -37.3%