PST vs. ^TYX

Last updated Apr 2, 2026

Compare and contrast key facts about ProShares UltraShort 7-10 Year Treasury (PST) and Treasury Yield 30 Years (^TYX).

PST is a passively managed fund by ProShares that tracks the performance of the ICE BofA US Treasury (7-10 Y) (-200%). It was launched on May 1, 2008.

Performance

PST vs. ^TYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraShort 7-10 Year Treasury (PST) and Treasury Yield 30 Years (^TYX). The values are adjusted to include any dividend payments, if applicable.

PST vs. ^TYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PST ProShares UltraShort 7-10 Year Treasury	2.20%	-4.42%	12.27%	3.17%	38.55%	4.01%	-18.67%	-11.03%	1.72%	-4.52%
^TYX Treasury Yield 30 Years	1.24%	1.13%	19.08%	1.11%	108.66%	15.74%	-31.10%	-20.89%	10.26%	-10.58%

Returns By Period

In the year-to-date period, PST achieves a 2.20% return, which is significantly higher than ^TYX's 1.24% return. Over the past 10 years, PST has underperformed ^TYX with an annualized return of 2.00%, while ^TYX has yielded a comparatively higher 6.46% annualized return.

PST

• 1D: 0.13%
• 1M: 4.37%
• YTD: 2.20%
• 6M: 3.66%
• 1Y: 2.30%
• 3Y*: 6.18%
• 5Y*: 8.02%
• 10Y*: 2.00%

^TYX

• 1D: 0.18%
• 1M: 4.30%
• YTD: 1.24%
• 6M: 3.92%
• 1Y: 8.50%
• 3Y*: 9.92%
• 5Y*: 15.93%
• 10Y*: 6.46%

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

Return for Risk

PST vs. ^TYX — Risk / Return Rank

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

PST

PST Risk / Return Rank: 15
PST Sharpe Ratio Rank: 16
PST Sortino Ratio Rank: 15
PST Omega Ratio Rank: 14
PST Calmar Ratio Rank: 15
PST Martin Ratio Rank: 14

^TYX

^TYX Risk / Return Rank: 28
^TYX Sharpe Ratio Rank: 35
^TYX Sortino Ratio Rank: 33
^TYX Omega Ratio Rank: 31
^TYX Calmar Ratio Rank: 21
^TYX Martin Ratio Rank: 21

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.

PST vs. ^TYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort 7-10 Year Treasury (PST) and Treasury Yield 30 Years (^TYX). 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.

	PST	^TYX	Difference
Sharpe ratio Return per unit of total volatility	0.19	0.57	-0.38
Sortino ratio Return per unit of downside risk	0.36	0.95	-0.59
Omega ratio Gain probability vs. loss probability	1.04	1.11	-0.06
Calmar ratio Return relative to maximum drawdown	0.17	0.20	-0.02
Martin ratio Return relative to average drawdown	0.28	0.38	-0.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PST vs. ^TYX - Sharpe Ratio Comparison

The current PST Sharpe Ratio is 0.19, which is lower than the ^TYX Sharpe Ratio of 0.57. The chart below compares the historical Sharpe Ratios of PST and ^TYX, 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

	PST	^TYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.19	0.57	-0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.61	-0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.15	0.19	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	-0.39	-0.03	-0.36

Correlation

The correlation between PST and ^TYX is 0.86, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Drawdowns

PST vs. ^TYX - Drawdown Comparison

The maximum PST drawdown since its inception was -79.25%, smaller than the maximum ^TYX drawdown of -88.52%. Use the drawdown chart below to compare losses from any high point for PST and ^TYX.

Drawdown Indicators

	PST	^TYX	Difference
Max Drawdown Largest peak-to-trough decline	-79.25%	-88.52%	+9.27%
Max Drawdown (1Y) Largest decline over 1 year	-8.22%	-10.83%	+2.61%
Max Drawdown (5Y) Largest decline over 5 years	-16.19%	-30.52%	+14.33%
Max Drawdown (10Y) Largest decline over 10 years	-36.07%	-72.86%	+36.79%
Current Drawdown Current decline from peak	-64.94%	-39.94%	-25.00%
Average Drawdown Average peak-to-trough decline	-61.45%	-46.00%	-15.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.00%	5.64%	-0.64%

Volatility

PST vs. ^TYX - Volatility Comparison

The current volatility for ProShares UltraShort 7-10 Year Treasury (PST) is 3.88%, while Treasury Yield 30 Years (^TYX) has a volatility of 4.20%. This indicates that PST experiences smaller price fluctuations and is considered to be less risky than ^TYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PST	^TYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.88%	4.20%	-0.32%
Volatility (6M) Calculated over the trailing 6-month period	6.53%	8.18%	-1.65%
Volatility (1Y) Calculated over the trailing 1-year period	11.89%	14.52%	-2.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.57%	25.36%	-9.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.33%	33.22%	-19.89%