STM vs. SNOW

Last updated Jul 11, 2026

STM (STMicroelectronics N.V.) and SNOW (Snowflake Inc.) are both stocks. Both are in the Technology sector — STM in Semiconductors, SNOW in Software - Application. Over the past 5 years, STM returned 14.33%/yr vs -0.60%/yr for SNOW. At a 0.37 correlation, their price movements are largely independent.

Performance

STM vs. SNOW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in STMicroelectronics N.V. (STM) and Snowflake Inc. (SNOW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, STM achieves a 176.58% return, which is significantly higher than SNOW's 19.19% return.

STM

• 1D: 0.10%
• 1M: -8.42%
• 6M: 148.77%
• YTD: 176.58%
• 1Y: 123.79%
• 3Y*: 14.24%
• 5Y*: 14.33%
• 10Y*: 29.42%

SNOW

• 1D: -2.26%
• 1M: 8.76%
• 6M: 19.33%
• YTD: 19.19%
• 1Y: 24.00%
• 3Y*: 14.97%
• 5Y*: -0.60%
• 10Y*: —

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

STM vs. SNOW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
STM STMicroelectronics N.V.	176.58%	5.28%	-49.67%	41.66%	-26.76%	32.39%	18.52%
SNOW Snowflake Inc.	19.19%	42.06%	-22.41%	38.64%	-57.63%	20.38%	14.86%

Correlation

The correlation between STM and SNOW is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.12
Correlation (3Y) Calculated over the trailing 3-year period	0.26
Correlation (5Y) Calculated over the trailing 5-year period	0.38
Correlation (All Time) Calculated using the full available price history since Sep 16, 2020	0.37

Over the past year, the correlation between STM and SNOW has dropped to 0.12 - well below their long-term average of 0.37, suggesting their price drivers have been diverging.

Fundamentals

Market Cap STM : $63.77B SNOW : $90.62B
EPS STM : $0.15 SNOW : -$3.53
PS Ratio STM : 5.46 SNOW : 17.63
PB Ratio STM : 3.72 SNOW : 43.82
Total Revenue (TTM) STM : $12.40B SNOW : $5.03B
Gross Profit (TTM) STM : $4.20B SNOW : $3.38B
EBITDA (TTM) STM : $2.32B SNOW : -$1.21B

Return for Risk

STM vs. SNOW — Risk / Return Rank

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

STM

STM Risk / Return Rank: 89
STM Sharpe Ratio Rank: 92
STM Sortino Ratio Rank: 88
STM Omega Ratio Rank: 89
STM Calmar Ratio Rank: 88
STM Martin Ratio Rank: 86

SNOW

SNOW Risk / Return Rank: 58
SNOW Sharpe Ratio Rank: 57
SNOW Sortino Ratio Rank: 61
SNOW Omega Ratio Rank: 60
SNOW Calmar Ratio Rank: 55
SNOW Martin Ratio Rank: 55

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.

STM vs. SNOW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for STMicroelectronics N.V. (STM) and Snowflake Inc. (SNOW). 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.

	STM	SNOW	Difference
Sharpe ratio: Return per unit of total volatility	2.12	0.33	+1.78
Sortino ratio: Return per unit of downside risk	2.62	1.07	+1.55
Omega ratio: Gain probability vs. loss probability	1.36	1.14	+0.22
Calmar ratio: Return relative to maximum drawdown	3.26	0.39	+2.87
Martin ratio: Return relative to average drawdown	7.35	0.84	+6.50

STM vs. SNOW - Sharpe Ratio Comparison

The current STM Sharpe Ratio is 2.12, which is higher than the SNOW Sharpe Ratio of 0.33. The chart below compares the historical Sharpe Ratios of STM and SNOW, 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

STM vs. SNOW - Drawdown Comparison

The maximum STM drawdown since its inception was -94.40%, which is greater than SNOW's maximum drawdown of -72.99%. Use the drawdown chart below to compare losses from any high point for STM and SNOW.

Drawdown Indicators

	STM	SNOW	Difference
Max Drawdown Largest peak-to-trough decline	-94.40%	-72.99%	-21.41%
Max Drawdown (1Y) Largest decline over 1 year	-36.35%	-56.30%	+19.95%
Max Drawdown (3Y) Largest decline over 3 years	-66.66%	-56.30%	-10.36%
Max Drawdown (5Y) Largest decline over 5 years	-66.66%	-72.99%	+6.33%
Max Drawdown (10Y) Largest decline over 10 years	-66.66%	—	—
Current Drawdown Current decline from peak	-10.47%	-34.94%	+24.47%
Average Drawdown Average peak-to-trough decline	-55.08%	-48.89%	-6.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.12%	26.10%	-9.98%

Volatility

STM vs. SNOW - Volatility Comparison

STMicroelectronics N.V. (STM) has a higher volatility of 22.31% compared to Snowflake Inc. (SNOW) at 12.19%. This indicates that STM's price experiences larger fluctuations and is considered to be riskier than SNOW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STM	SNOW	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.31%	12.19%	+10.12%
Volatility (6M) Calculated over the trailing 6-month period	44.40%	53.30%	-8.90%
Volatility (1Y) Calculated over the trailing 1-year period	56.14%	66.06%	-9.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.82%	61.97%	-16.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.53%	62.49%	-17.96%

Dividends

STM vs. SNOW - Dividend Comparison

STM's dividend yield for the trailing twelve months is around 0.50%, while SNOW has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SNOW Snowflake Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
STM STMicroelectronics N.V.	0.50%	1.39%	1.32%	0.48%	0.67%	0.45%	0.50%	0.89%	1.73%	0.98%	2.10%	5.11%

Financials

STM vs. SNOW - Profitability Comparison

The chart below illustrates the profitability comparison between STMicroelectronics N.V. and Snowflake Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

STM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, STMicroelectronics N.V. reported a gross profit of 1.05B and revenue of 3.10B. Therefore, the gross margin over that period was 33.8%.

SNOW - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Snowflake Inc. reported a gross profit of 926.45M and revenue of 1.39B. Therefore, the gross margin over that period was 66.6%.

STM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, STMicroelectronics N.V. reported an operating income of 96.00M and revenue of 3.10B, resulting in an operating margin of 3.1%.

SNOW - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Snowflake Inc. reported an operating income of -326.15M and revenue of 1.39B, resulting in an operating margin of -23.5%.

STM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, STMicroelectronics N.V. reported a net income of 37.00M and revenue of 3.10B, resulting in a net margin of 1.2%.

SNOW - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Snowflake Inc. reported a net income of -295.57M and revenue of 1.39B, resulting in a net margin of -21.3%.

Frequently Asked Questions

Can I hold both STM and SNOW in my portfolio?

STM and SNOW have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, STM or SNOW?

STM has higher volatility (22.31%) compared to SNOW (12.19%). In terms of maximum drawdown, STM dropped -94.40% vs SNOW's -72.99%.

Which has better risk-adjusted returns?

STM currently has the higher Sharpe Ratio (2.12 vs 0.33), 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.