TDS vs. OLMA

Last updated Jun 23, 2026

TDS (Telephone and Data Systems, Inc.) and OLMA (Olema Pharmaceuticals, Inc.) are both stocks. TDS operates in Telecom Services (Communication Services), while OLMA operates in Biotechnology (Healthcare). Over the past 5 years, TDS returned 20.74%/yr vs -17.80%/yr for OLMA. At a 0.16 correlation, their price movements are largely independent.

Performance

TDS vs. OLMA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Telephone and Data Systems, Inc. (TDS) and Olema Pharmaceuticals, Inc. (OLMA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TDS achieves a 23.35% return, which is significantly higher than OLMA's -60.00% return.

TDS

• 1D: -1.64%
• 1M: -0.82%
• YTD: 23.35%
• 6M: 24.59%
• 1Y: 52.64%
• 3Y*: 93.47%
• 5Y*: 20.74%
• 10Y*: 9.07%

OLMA

• 1D: 5.15%
• 1M: -26.90%
• YTD: -60.00%
• 6M: -64.51%
• 1Y: 142.13%
• 3Y*: 8.31%
• 5Y*: -17.80%
• 10Y*: —

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

TDS vs. OLMA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
TDS Telephone and Data Systems, Inc.	23.35%	20.73%	89.02%	86.26%	-45.27%	12.04%	-0.55%
OLMA Olema Pharmaceuticals, Inc.	-60.00%	328.82%	-58.45%	472.65%	-73.82%	-80.53%	6.84%

Correlation

The correlation between TDS and OLMA is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.16
Correlation (All Time) Calculated using the full available price history since Nov 19, 2020	0.16

Fundamentals

EPS TDS : $1.31 OLMA : -$2.03
Total Revenue (TTM) TDS : $2.13B OLMA : $0.00
Gross Profit (TTM) TDS : $775.87M OLMA : -$187.00K
EBITDA (TTM) TDS : $746.87M OLMA : -$197.79M

Return for Risk

TDS vs. OLMA — Risk / Return Rank

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

TDS

TDS Risk / Return Rank: 83
TDS Sharpe Ratio Rank: 80
TDS Sortino Ratio Rank: 86
TDS Omega Ratio Rank: 84
TDS Calmar Ratio Rank: 83
TDS Martin Ratio Rank: 83

OLMA

OLMA Risk / Return Rank: 79
OLMA Sharpe Ratio Rank: 69
OLMA Sortino Ratio Rank: 91
OLMA Omega Ratio Rank: 90
OLMA Calmar Ratio Rank: 75
OLMA Martin Ratio Rank: 72

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.

TDS vs. OLMA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Telephone and Data Systems, Inc. (TDS) and Olema Pharmaceuticals, Inc. (OLMA). 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.

	TDS	OLMA	Difference
Sharpe ratio: Return per unit of total volatility	1.35	0.89	+0.46
Sortino ratio: Return per unit of downside risk	2.72	3.24	-0.52
Omega ratio: Gain probability vs. loss probability	1.33	1.41	-0.08
Calmar ratio: Return relative to maximum drawdown	2.90	1.92	+0.97
Martin ratio: Return relative to average drawdown	7.48	3.89	+3.59

TDS vs. OLMA - Sharpe Ratio Comparison

The current TDS Sharpe Ratio is 1.35, which is higher than the OLMA Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of TDS and OLMA, 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

TDS vs. OLMA - Drawdown Comparison

The maximum TDS drawdown since its inception was -88.89%, smaller than the maximum OLMA drawdown of -96.26%. Use the drawdown chart below to compare losses from any high point for TDS and OLMA.

Drawdown Indicators

	TDS	OLMA	Difference
Max Drawdown Largest peak-to-trough decline	-88.89%	-96.26%	+7.37%
Max Drawdown (1Y) Largest decline over 1 year	-18.27%	-74.35%	+56.08%
Max Drawdown (3Y) Largest decline over 3 years	-33.36%	-82.15%	+48.79%
Max Drawdown (5Y) Largest decline over 5 years	-69.65%	-93.36%	+23.71%
Max Drawdown (10Y) Largest decline over 10 years	-78.98%	—	—
Current Drawdown Current decline from peak	-18.02%	-81.65%	+63.63%
Average Drawdown Average peak-to-trough decline	-47.30%	-74.99%	+27.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.06%	36.69%	-29.63%

Volatility

TDS vs. OLMA - Volatility Comparison

The current volatility for Telephone and Data Systems, Inc. (TDS) is 6.86%, while Olema Pharmaceuticals, Inc. (OLMA) has a volatility of 22.54%. This indicates that TDS experiences smaller price fluctuations and is considered to be less risky than OLMA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TDS	OLMA	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.86%	22.54%	-15.68%
Volatility (6M) Calculated over the trailing 6-month period	31.29%	53.62%	-22.33%
Volatility (1Y) Calculated over the trailing 1-year period	39.24%	160.85%	-121.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	63.81%	107.89%	-44.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.58%	106.13%	-53.55%

Dividends

TDS vs. OLMA - Dividend Comparison

TDS's dividend yield for the trailing twelve months is around 26.73%, while OLMA has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OLMA Olema Pharmaceuticals, 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%
TDS Telephone and Data Systems, Inc.	26.73%	0.39%	0.91%	4.03%	6.86%	3.47%	3.66%	2.60%	1.97%	2.23%	2.05%	2.18%

Financials

Frequently Asked Questions

Can I hold both TDS and OLMA in my portfolio?

TDS and OLMA have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TDS or OLMA?

OLMA has higher volatility (22.54%) compared to TDS (6.86%). In terms of maximum drawdown, TDS dropped -88.89% vs OLMA's -96.26%.

Which has better risk-adjusted returns?

TDS currently has the higher Sharpe Ratio (1.35 vs 0.89), 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.