ATEC vs. XMMO

Last updated Apr 1, 2026

Compare and contrast key facts about Alphatec Holdings, Inc. (ATEC) and Invesco S&P MidCap Momentum ETF (XMMO).

XMMO is a passively managed fund by Invesco that tracks the performance of the S&P MidCap 400 Index. It was launched on Mar 3, 2005.

Performance

ATEC vs. XMMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Alphatec Holdings, Inc. (ATEC) and Invesco S&P MidCap Momentum ETF (XMMO). The values are adjusted to include any dividend payments, if applicable.

ATEC vs. XMMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ATEC Alphatec Holdings, Inc.	-48.29%	129.19%	-39.25%	22.35%	8.05%	-21.28%	104.65%	209.83%	-13.91%	-17.13%
XMMO Invesco S&P MidCap Momentum ETF	4.93%	13.04%	38.03%	20.39%	-16.02%	16.69%	29.17%	36.78%	6.12%	37.18%

Returns By Period

In the year-to-date period, ATEC achieves a -48.29% return, which is significantly lower than XMMO's 4.93% return. Over the past 10 years, ATEC has underperformed XMMO with an annualized return of 14.46%, while XMMO has yielded a comparatively higher 18.19% annualized return.

ATEC

• 1D: -1.09%
• 1M: -20.12%
• YTD: -48.29%
• 6M: -25.17%
• 1Y: 7.30%
• 3Y*: -11.32%
• 5Y*: -6.94%
• 10Y*: 14.46%

XMMO

• 1D: 4.31%
• 1M: -3.18%
• YTD: 4.93%
• 6M: 7.61%
• 1Y: 28.46%
• 3Y*: 25.08%
• 5Y*: 12.21%
• 10Y*: 18.19%

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

Return for Risk

ATEC vs. XMMO — Risk / Return Rank

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

ATEC

ATEC Risk / Return Rank: 46
ATEC Sharpe Ratio Rank: 46
ATEC Sortino Ratio Rank: 47
ATEC Omega Ratio Rank: 46
ATEC Calmar Ratio Rank: 45
ATEC Martin Ratio Rank: 45

XMMO

XMMO Risk / Return Rank: 80
XMMO Sharpe Ratio Rank: 75
XMMO Sortino Ratio Rank: 77
XMMO Omega Ratio Rank: 74
XMMO Calmar Ratio Rank: 84
XMMO Martin Ratio Rank: 89

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.

ATEC vs. XMMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Alphatec Holdings, Inc. (ATEC) and Invesco S&P MidCap Momentum ETF (XMMO). 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.

	ATEC	XMMO	Difference
Sharpe ratio Return per unit of total volatility	0.13	1.30	-1.18
Sortino ratio Return per unit of downside risk	0.65	1.86	-1.21
Omega ratio Gain probability vs. loss probability	1.09	1.26	-0.17
Calmar ratio Return relative to maximum drawdown	0.13	2.28	-2.15
Martin ratio Return relative to average drawdown	0.33	10.83	-10.50
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ATEC vs. XMMO - Sharpe Ratio Comparison

The current ATEC Sharpe Ratio is 0.13, which is lower than the XMMO Sharpe Ratio of 1.30. The chart below compares the historical Sharpe Ratios of ATEC and XMMO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ATEC	XMMO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.13	1.30	-1.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.12	0.58	-0.69
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.21	0.83	-0.61
Sharpe Ratio (All Time) Calculated using the full available price history	-0.15	0.54	-0.69

Correlation

The correlation between ATEC and XMMO is 0.31, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ATEC vs. XMMO - Dividend Comparison

ATEC has not paid dividends to shareholders, while XMMO's dividend yield for the trailing twelve months is around 0.71%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATEC Alphatec Holdings, 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%
XMMO Invesco S&P MidCap Momentum ETF	0.71%	0.78%	0.34%	0.80%	1.43%	0.41%	0.61%	0.60%	0.19%	0.21%	0.22%	0.64%

Drawdowns

ATEC vs. XMMO - Drawdown Comparison

The maximum ATEC drawdown since its inception was -98.90%, which is greater than XMMO's maximum drawdown of -55.37%. Use the drawdown chart below to compare losses from any high point for ATEC and XMMO.

Drawdown Indicators

	ATEC	XMMO	Difference
Max Drawdown Largest peak-to-trough decline	-98.90%	-55.37%	-43.53%
Max Drawdown (1Y) Largest decline over 1 year	-52.03%	-12.81%	-39.22%
Max Drawdown (5Y) Largest decline over 5 years	-73.51%	-27.91%	-45.60%
Max Drawdown (10Y) Largest decline over 10 years	-87.34%	-36.74%	-50.60%
Current Drawdown Current decline from peak	-89.90%	-4.39%	-85.51%
Average Drawdown Average peak-to-trough decline	-80.35%	-9.52%	-70.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	20.38%	2.69%	+17.69%

Volatility

ATEC vs. XMMO - Volatility Comparison

Alphatec Holdings, Inc. (ATEC) has a higher volatility of 12.15% compared to Invesco S&P MidCap Momentum ETF (XMMO) at 9.07%. This indicates that ATEC's price experiences larger fluctuations and is considered to be riskier than XMMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ATEC	XMMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.15%	9.07%	+3.08%
Volatility (6M) Calculated over the trailing 6-month period	41.68%	14.28%	+27.40%
Volatility (1Y) Calculated over the trailing 1-year period	57.89%	21.97%	+35.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.62%	21.26%	+39.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	68.38%	22.11%	+46.27%