SYS1.L LSE
System1 Group PLC
1W: -2.2%
1M: +5.1%
3M: +12.8%
YTD: +66.0%
1Y: -14.6%
3Y: +78.6%
5Y: +18.1%
£352.00 ($4.64)
+7.00 (+2.03%)
Weekly Expected Move ±5.4%
£314
£333
£352
£371
£390
Overview
Chart
Financials
Income Statement
Cash Flow
Balance Sheet
Earnings
Analysis
Technicals
Weather
Peers
Oct Typical
☀️
Sunny
+21.3% YTD avg
Midterm Year
⛈️
Stormy
-11.3% YTD avg
2026 Now
☀️
Sunny
Above typical
20yr Avg YTD
+21.3%
Day 164 of 252
Midterm Year YTD
-11.3%
Presidential cycle avg
2026 YTD
+66.0%
Above 20yr avg
Typical Vol
160%
Annualized
Monthly Weather Forecast
Jan
20yr
💨
+5.8%
Midterm
⛅
+3.3%
58% win
177% vol
Feb
20yr
⛈️
+3.2%
Midterm
🌧️
-2.9%
45% win
161% vol
Mar
20yr
💨
+4.1%
Midterm
⛅
+4.0%
70% win
158% vol
Apr
20yr
🌫️
+8.2%
Midterm
☁️
-0.6%
55% win
164% vol
May
20yr
💨
+13.2%
Midterm
⛈️
-8.2%
55% win
152% vol
Jun
20yr
⛈️
+10.8%
Midterm
☁️
+0.4%
45% win
145% vol
Jul
20yr
💨
+23.8%
Midterm
⛈️
-14.4%
55% win
156% vol
Aug
20yr
💨
+20.9%
Midterm
⛈️
-14.0%
35% win
168% vol
Sep
20yr
⛈️
+15.7%
Midterm
⛈️
-9.5%
35% win
159% vol
Oct
20yr
⛈️
+15.5%
Midterm
⛈️
-8.3%
35% win
160% vol
Now:
-2.2%
Nov
20yr
💨
+13.8%
Midterm
⛈️
-8.9%
37% win
136% vol
Dec
20yr
💨
+6.5%
Midterm
💨
+7.0%
60% win
188% vol
Seasonality (20yr)
Updated: 2026-10-02
YTD: +66.0%