SPTS — State Street SPDR Portfolio Short Term Treasury ETF

SPTS Price Performance — Growth of $10,000

Value of a $10,000 investment in SPTS over time, compared with SPY. Both lines are rebased to $10,000 on the first shared date. Based on total returns — prices are adjusted for dividends and splits, so this assumes distributions were reinvested. Hover or tap the chart for exact values.

SPTS Drawdown

The "underwater" chart: SPTS's decline from its highest prior value at each point in time. It shows how deep past losses ran and how long the fund took to recover to break-even.

Overview

The State Street SPDR Portfolio Short Term Treasury ETF (SPTS) is a government bond fund managed by State Street Investment Management within the US Bonds - Government category. Tracking 22 ETFs in this specific sector, the fund holds an overall rank of #337 out of 458 tracked ETFs across all categories and carries an ETFValuer grade of C with a score of 54.3 out of 100. With an expense ratio of just 0.03% and a dividend yield of 3.90%, the fund offers a low-cost income profile. The current price stands at $28.91, while assets under management have reached $5.91 billion. This substantial asset base suggests significant investor adoption relative to the fund's cost structure and income generation capabilities. The combination of a low expense ratio and a high yield contrasts with its mid-tier ranking among the 458 total funds monitored. These metrics collectively define the fund's position as a widely held, cost-efficient vehicle within its specific bond category.

Over the most recent trading day, the fund posted a gain of +0.10%, though it retreated -0.21% over the subsequent week. Monthly performance showed a slight increase of +0.03%, followed by a 3-month return of +0.12%. The 6-month period saw an acceleration in returns to +0.65%, which carried forward into the year-to-date figure of +0.65%. A more significant shift occurred over the 1-year horizon, where returns expanded to +2.96%. This upward trajectory continued into the 3-year period, resulting in a cumulative return of +13.35%. The data indicates a pattern where short-term fluctuations were minimal, while longer-term horizons demonstrated progressively stronger positive performance.

The fund is classified with a Very Low volatility label and exhibits a beta of 0.23, indicating that its price movements are significantly less sensitive to broader market shifts. Despite this low volatility, the Sharpe ratio stands at -1.52, suggesting that the risk-adjusted returns have been negative relative to the risk-free rate over the measured period. The maximum drawdown recorded is -0.96%, reflecting a limited decline in value during the worst observed period. This combination of a very low beta and a small maximum drawdown implies the fund has experienced minimal turbulence in both up and down markets. However, the negative Sharpe ratio indicates that the returns generated have not adequately compensated for the risk taken, even if that risk is objectively low. The fund's behavior suggests stability in price action but challenges in generating superior risk-adjusted gains compared to the benchmark.

AI-generated summary based on the data on this page.

SPTS Top Holdings

Holdings as of 2026-03-31 per the fund's most recent SEC N-PORT-P filing. Top 10 holdings make up 13.7% of net assets — a rough gauge of concentration risk (the higher this figure, the more the fund's return depends on a handful of names). To see how SPTS's holdings overlap with other ETFs you own or are considering, check the Stock Overlap tool.

Which Funds Overlap With SPTS

Holding two funds that own the same companies adds cost and complexity without adding much diversification. These tracked ETFs share the most names with SPTS's top 10 — AGG overlaps most, holding 1 of the same companies as SPTS's top 10 (13.7% of SPTS's assets).

Compares the top 10 reported holdings of each fund, so it's a floor on true overlap — two S&P 500 trackers overlap ~100% even when only 10 names are listed. Use the Stock Overlap tool to search by individual company.

Market Backdrop

10-Year Treasury Yield: 4.71% (as of 2026-07-23) — The yield on 10-year US Treasury bonds — the standard "risk-free rate" benchmark used to contextualize this fund’s Sharpe ratio and returns.

CBOE Volatility Index (VIX): 18.70 (as of 2026-07-23) — A real-time gauge of expected S&P 500 volatility over the next 30 days — useful context for this fund’s own volatility label.

Federal Funds Rate: 3.63% (as of 2026-06-01) — The Federal Reserve’s target policy rate, which anchors short-term borrowing costs across the economy.

SPTS Liquidity, Domicile & Tax Treatment

Liquidity: Quoted bid/ask spread is 0.04% and average daily volume is 1.5M/day. Tighter spreads and higher volume mean lower round-trip trading costs; this is a live-market snapshot and can widen during volatile sessions. AUM of $5.91B provides ample scale, supporting tight spreads and issuer commitment to keep the fund open.

Domicile & tax treatment: SPTS is a US-domiciled, SEC-registered ('40 Act) exchange-traded fund. Dividends and capital gains distributions are reported to US investors on Form 1099-DIV, and the fund is not subject to the PFIC reporting or UCITS-specific rules that apply to Irish- or Luxembourg-domiciled funds. Non-US investors should note that US-domiciled ETFs are generally subject to 30% US withholding tax on dividends (unless reduced by treaty) and to US estate tax exposure on the position — Irish-domiciled UCITS ETFs tracking the same index often avoid both, which is why non-US residents frequently prefer the UCITS equivalent where one exists. This is general information, not tax advice — consult a tax professional for your situation.

SPTS Performance History

How SPTS Compares to Other US Bonds - Government ETFs