FTC.L vs. III.L

Last updated Jun 5, 2026

FTC.L (Filtronic) and III.L (3I Group plc) are both stocks. FTC.L operates in Communication Equipment (Technology), while III.L operates in Investment Banking & Investment Services (Financial Services). Over the past 10 years, FTC.L returned 40.18%/yr vs 18.20%/yr for III.L. At a 0.13 correlation, their price movements are largely independent.

Performance

FTC.L vs. III.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in Filtronic (FTC.L) and 3I Group plc (III.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FTC.L achieves a 85.23% return, which is significantly higher than III.L's -32.88% return. Over the past 10 years, FTC.L has outperformed III.L with an annualized return of 40.18%, while III.L has yielded a comparatively lower 18.20% annualized return.

FTC.L

• 1D: 13.59%
• 1M: -4.12%
• YTD: 85.23%
• 6M: 136.23%
• 1Y: 123.29%
• 3Y*: 192.70%
• 5Y*: 99.76%
• 10Y*: 40.18%

III.L

• 1D: 2.77%
• 1M: -17.93%
• YTD: -32.88%
• 6M: -32.22%
• 1Y: -46.08%
• 3Y*: 6.24%
• 5Y*: 15.02%
• 10Y*: 18.20%

*Multi-year figures are annualized to reflect compound growth (CAGR)

FTC.L vs. III.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTC.L Filtronic	85.23%	131.58%	256.81%	53.51%	20.65%	32.95%	-3.89%	52.54%	-39.49%	-19.59%
III.L 3I Group plc	-32.88%	-6.44%	50.11%	85.46%	-3.46%	28.99%	9.36%	47.12%	-12.49%	32.12%

Correlation

The correlation between FTC.L and III.L is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.15
Correlation (3Y) Calculated over the trailing 3-year period	0.08
Correlation (5Y) Calculated over the trailing 5-year period	0.08
Correlation (10Y) Calculated over the trailing 10-year period	0.07
Correlation (All Time) Calculated using the full available price history since Oct 25, 1994	0.13

Fundamentals

Market Cap FTC.L : £756.83M III.L : £22.29B
EPS FTC.L : £0.09 III.L : £10.41
PE Ratio FTC.L : 37.18 III.L : 2.10
PEG Ratio FTC.L : 0.05 III.L : 0.26
PS Ratio FTC.L : 7.68 III.L : 10.26
PB Ratio FTC.L : 19.60 III.L : 0.72
Total Revenue (TTM) FTC.L : £98.52M III.L : £2.12B
Gross Profit (TTM) FTC.L : £47.89M III.L : £5.57B
EBITDA (TTM) FTC.L : £25.72M III.L : £9.82B

Return for Risk

FTC.L vs. III.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FTC.L

FTC.L Risk / Return Rank: 84
FTC.L Sharpe Ratio Rank: 87
FTC.L Sortino Ratio Rank: 83
FTC.L Omega Ratio Rank: 82
FTC.L Calmar Ratio Rank: 85
FTC.L Martin Ratio Rank: 86

III.L

III.L Risk / Return Rank: 5
III.L Sharpe Ratio Rank: 4
III.L Sortino Ratio Rank: 6
III.L Omega Ratio Rank: 5
III.L Calmar Ratio Rank: 8
III.L Martin Ratio Rank: 2

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FTC.L vs. III.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Filtronic (FTC.L) and 3I Group plc (III.L). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	FTC.L	III.L	Difference
Sharpe ratio: Return per unit of total volatility	1.94	-1.06	+3.00
Sortino ratio: Return per unit of downside risk	2.51	-1.46	+3.96
Omega ratio: Gain probability vs. loss probability	1.32	0.78	+0.54
Calmar ratio: Return relative to maximum drawdown	3.45	-0.87	+4.32
Martin ratio: Return relative to average drawdown	9.12	-1.80	+10.92
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FTC.L vs. III.L - Sharpe Ratio Comparison

The current FTC.L Sharpe Ratio is 1.94, which is higher than the III.L Sharpe Ratio of -1.06. The chart below compares the historical Sharpe Ratios of FTC.L and III.L, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FTC.L	III.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	-1.06	+3.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.65	0.49	+1.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.60	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	-0.13	0.36	-0.49

Drawdowns

FTC.L vs. III.L - Drawdown Comparison

The maximum FTC.L drawdown since its inception was -100.00%, which is greater than III.L's maximum drawdown of -84.42%. Use the drawdown chart below to compare losses from any high point for FTC.L and III.L.

Drawdown Indicators

	FTC.L	III.L	Difference
Max Drawdown Largest peak-to-trough decline	-100.00%	-84.42%	-15.58%
Max Drawdown (1Y) Largest decline over 1 year	-38.81%	-52.78%	+13.97%
Max Drawdown (3Y) Largest decline over 3 years	-38.81%	-52.78%	+13.97%
Max Drawdown (5Y) Largest decline over 5 years	-38.81%	-52.78%	+13.97%
Max Drawdown (10Y) Largest decline over 10 years	-81.72%	-52.78%	-28.94%
Current Drawdown Current decline from peak	-99.73%	-50.33%	-49.40%
Average Drawdown Average peak-to-trough decline	-82.30%	-26.70%	-55.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.66%	25.74%	-11.08%

Volatility

FTC.L vs. III.L - Volatility Comparison

Filtronic (FTC.L) has a higher volatility of 43.65% compared to 3I Group plc (III.L) at 19.25%. This indicates that FTC.L's price experiences larger fluctuations and is considered to be riskier than III.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FTC.L	III.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	43.65%	19.25%	+24.40%
Volatility (6M) Calculated over the trailing 6-month period	58.72%	37.71%	+21.01%
Volatility (1Y) Calculated over the trailing 1-year period	69.06%	43.56%	+25.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.59%	30.83%	+29.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	65.70%	30.38%	+35.32%

Dividends

FTC.L vs. III.L - Dividend Comparison

FTC.L has not paid dividends to shareholders, while III.L's dividend yield for the trailing twelve months is around 3.61%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FTC.L Filtronic	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
III.L 3I Group plc	3.61%	2.42%	1.82%	2.32%	3.76%	2.78%	3.02%	3.42%	3.75%	1.75%	2.64%	1.68%

Financials

Frequently Asked Questions

Can I hold both FTC.L and III.L in my portfolio?

FTC.L and III.L have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.