BLD vs. FFIV

Last updated Jun 13, 2026

BLD (TopBuild Corp.) and FFIV (F5 Networks, Inc.) are both stocks. BLD operates in Engineering & Construction (Industrials), while FFIV operates in Software - Infrastructure (Technology). Over the past 10 years, BLD returned 27.86%/yr vs 12.87%/yr for FFIV. At a 0.36 correlation, their price movements are largely independent.

Performance

BLD vs. FFIV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in TopBuild Corp. (BLD) and F5 Networks, Inc. (FFIV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BLD achieves a -1.46% return, which is significantly lower than FFIV's 55.20% return. Over the past 10 years, BLD has outperformed FFIV with an annualized return of 27.86%, while FFIV has yielded a comparatively lower 12.87% annualized return.

BLD

• 1D: 0.30%
• 1M: 0.55%
• YTD: -1.46%
• 6M: -5.70%
• 1Y: 33.02%
• 3Y*: 19.98%
• 5Y*: 16.32%
• 10Y*: 27.86%

FFIV

• 1D: 0.59%
• 1M: 10.84%
• YTD: 55.20%
• 6M: 50.82%
• 1Y: 35.83%
• 3Y*: 38.11%
• 5Y*: 15.50%
• 10Y*: 12.87%

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

BLD vs. FFIV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BLD TopBuild Corp.	-1.46%	34.00%	-16.81%	139.16%	-43.28%	49.89%	78.58%	129.07%	-40.59%	112.75%
FFIV F5 Networks, Inc.	55.20%	1.51%	40.50%	24.72%	-41.36%	39.09%	25.99%	-13.81%	23.48%	-9.33%

Correlation

The correlation between BLD and FFIV is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.42
Correlation (10Y) Calculated over the trailing 10-year period	0.36
Correlation (All Time) Calculated using the full available price history since Jul 1, 2015	0.36

The correlation between BLD and FFIV shifts across timeframes, from 0.22 (1 year) to 0.42 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap BLD : $11.56B FFIV : $22.70B
EPS BLD : $17.76 FFIV : $12.19
PE Ratio BLD : 23.15 FFIV : 32.50
PEG Ratio BLD : 1.12 FFIV : 1.42
PS Ratio BLD : 2.07 FFIV : 9.54
PB Ratio BLD : 4.81 FFIV : 6.22
Total Revenue (TTM) BLD : $5.62B FFIV : $2.41B
Gross Profit (TTM) BLD : $1.62B FFIV : $2.63B
EBITDA (TTM) BLD : $933.40M FFIV : $889.95M

Return for Risk

BLD vs. FFIV — Risk / Return Rank

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

BLD

BLD Risk / Return Rank: 65
BLD Sharpe Ratio Rank: 67
BLD Sortino Ratio Rank: 69
BLD Omega Ratio Rank: 63
BLD Calmar Ratio Rank: 61
BLD Martin Ratio Rank: 63

FFIV

FFIV Risk / Return Rank: 69
FFIV Sharpe Ratio Rank: 75
FFIV Sortino Ratio Rank: 69
FFIV Omega Ratio Rank: 70
FFIV Calmar Ratio Rank: 65
FFIV Martin Ratio Rank: 64

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.

BLD vs. FFIV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TopBuild Corp. (BLD) and F5 Networks, Inc. (FFIV). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	BLD	FFIV	Difference
Sharpe ratio: Return per unit of total volatility	0.76	1.08	-0.32
Sortino ratio: Return per unit of downside risk	1.57	1.58	-0.01
Omega ratio: Gain probability vs. loss probability	1.17	1.21	-0.05
Calmar ratio: Return relative to maximum drawdown	0.85	1.04	-0.19
Martin ratio: Return relative to average drawdown	2.11	2.28	-0.17

BLD vs. FFIV - Sharpe Ratio Comparison

The current BLD Sharpe Ratio is 0.76, which is comparable to the FFIV Sharpe Ratio of 1.08. The chart below compares the historical Sharpe Ratios of BLD and FFIV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BLD vs. FFIV - Drawdown Comparison

The maximum BLD drawdown since its inception was -52.26%, smaller than the maximum FFIV drawdown of -97.59%. Use the drawdown chart below to compare losses from any high point for BLD and FFIV.

Drawdown Indicators

	BLD	FFIV	Difference
Max Drawdown Largest peak-to-trough decline	-52.26%	-97.59%	+45.33%
Max Drawdown (1Y) Largest decline over 1 year	-39.12%	-34.73%	-4.39%
Max Drawdown (3Y) Largest decline over 3 years	-42.41%	-34.73%	-7.68%
Max Drawdown (5Y) Largest decline over 5 years	-49.39%	-47.42%	-1.97%
Max Drawdown (10Y) Largest decline over 10 years	-52.26%	-54.59%	+2.33%
Current Drawdown Current decline from peak	-25.38%	-3.17%	-22.21%
Average Drawdown Average peak-to-trough decline	-15.10%	-40.16%	+25.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.68%	15.77%	-0.09%

Volatility

BLD vs. FFIV - Volatility Comparison

TopBuild Corp. (BLD) and F5 Networks, Inc. (FFIV) have volatilities of 9.02% and 8.89%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BLD	FFIV	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.02%	8.89%	+0.13%
Volatility (6M) Calculated over the trailing 6-month period	33.81%	24.72%	+9.09%
Volatility (1Y) Calculated over the trailing 1-year period	43.80%	33.48%	+10.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.43%	29.97%	+11.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.78%	29.56%	+13.22%

Dividends

BLD vs. FFIV - Dividend Comparison

Neither BLD nor FFIV has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both BLD and FFIV in my portfolio?

BLD and FFIV have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BLD or FFIV?

BLD has higher volatility (9.02%) compared to FFIV (8.89%). In terms of maximum drawdown, BLD dropped -52.26% vs FFIV's -97.59%.

Which has better risk-adjusted returns?

FFIV currently has the higher Sharpe Ratio (1.08 vs 0.76), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.