SPRO NASDAQ
Spero Therapeutics, Inc.
1W: +2.0%
1M: -8.8%
3M: +11.2%
YTD: +10.2%
1Y: +297.9%
3Y: +40.0%
5Y: -79.7%
$2.59
+0.01 (+0.39%)
Weekly Expected Move ±8.7%
$2
$3
$3
$3
$3
Overview
News
Chart
Smart Money
Financials
Income Statement
Cash Flow
Balance Sheet
Earnings
Dividends
Analysis
Technicals
Weather
Peers
ESG
Institutions
ETF Exposure
Dark Pool
Short Interest
Supply Chain
May Typical
🌧️
Rainy
-4.0% YTD avg
Midterm Year
⛈️
Stormy
-45.2% YTD avg
2026 Now
☀️
Sunny
Above typical
20yr Avg YTD
-4.0%
Day 95 of 252
Midterm Year YTD
-45.2%
Presidential cycle avg
2026 YTD
+10.2%
Above 20yr avg
Typical Vol
305%
Annualized
Monthly Weather Forecast
Jan
20yr
💨
+3.2%
Midterm
⛈️
-13.3%
44% win
55% vol
Feb
20yr
⛈️
-0.8%
Midterm
⛈️
-24.3%
44% win
57% vol
Mar
20yr
🌫️
+1.6%
Midterm
⛈️
-12.8%
44% win
76% vol
Apr
20yr
⛈️
-3.5%
Midterm
⛈️
-29.2%
33% win
76% vol
May
20yr
💨
+16.2%
Midterm
⛈️
-52.6%
56% win
305% vol
Now:
+3.2%
Jun
20yr
💨
+22.7%
Midterm
⛈️
-36.9%
50% win
76% vol
Jul
20yr
⛈️
+7.1%
Midterm
⛈️
-50.3%
25% win
64% vol
Aug
20yr
💨
+5.1%
Midterm
⛈️
-50.8%
25% win
72% vol
Sep
20yr
💨
+2.1%
Midterm
⛈️
-50.1%
38% win
237% vol
Oct
20yr
🌫️
+7.4%
Midterm
⛈️
-60.1%
38% win
51% vol
Nov
20yr
💨
+7.6%
Midterm
⛈️
-60.3%
56% win
53% vol
Dec
20yr
⛈️
-1.2%
Midterm
⛈️
-17.8%
33% win
57% vol
Seasonality (20yr)
Updated: 2026-05-19
YTD: +10.2%