MYMK · State Street My2031 Municipal Bond ETF
MYMK returned −0.3% over the year to Oct 20, 2026, charges 0.20% a year and holds $11m in net assets on Oct 20, 2026.
MYMK is actively managed and returned −0.3% over the past year.
Price and total return, 1 year
$24.410.0%1 day, priceClose, Oct 20, 2026
Total return adds every distribution, reinvested. Computed by ETFIQ from Tiingo daily prices.
Source: Tiingo end-of-day prices. Data as of Oct 20, 2026. Updated every trading night. Report a data error
How far can rates rise in a year before the year's income is gone?
That is the share of the 17 national municipal bond ETFs with a short duration sitting at or below MYMK.
One year's income against today's duration; it ignores credit risk, and both figures move. Where the fund sits in this set, not a rating. Do not average it with another category's score.
How far rates could rise before a year's income is gone, ranked against 17 national municipal bond ETFs with a short duration. 100 is best. How it is computed
MYMK paid 2.64% of its NAV in income over the year to Oct 20, 2026, with a duration of 3.14 years: rates could rise 0.84 percentage points in a year before that income was gone.
| Window | Total return |
|---|---|
| 1M Sep 18 – Oct 20, 2026 | +0.1% |
| 3M Jul 21 – Oct 20, 2026 | −1.3% |
| 6M Apr 21 – Oct 20, 2026 | −1.4% |
| YTD Dec 31, 2025 – Oct 20, 2026 | −0.7% |
| 1Y Oct 20, 2025 – Oct 20, 2026 | −0.3% |
| Since launch Sep 17, 2025 – Oct 20, 2026 | 0.0% |
| Since launch, annualised Sep 17, 2025 – Oct 20, 2026 | 0.0% |
Total return at closing prices, distributions reinvested. Every column is a total return. Year to date runs from the last close of the year before. Annualised is the steady yearly rate that gives the since-launch total over the same days. Not shown: 3 years, which the fund has not been listed long enough to fill (listed Sep 2025); its since-launch row covers all of its record. Source: ETFIQ.
Source: Tiingo end-of-day prices, with distributions reinvested. Data as of Oct 20, 2026. Updated every trading night. Report a data error
Money in and out
Daily figures · as of Oct 20, 2026MYMK: in the year to Oct 20, 2026, net $6.3m came in; in the month to Oct 20, 2026, nothing net moved.
Oct 20, 2026
Oct 14, 2026 to Oct 20, 2026
Sep 21, 2026 to Oct 20, 2026
Jul 21, 2026 to Oct 20, 2026
Jan 2, 2026 to Oct 20, 2026
Oct 21, 2025 to Oct 20, 2026
SEC filings, then daily counts
MYMK, net flow each trading day over the 63 sessions from Jul 23, 2026 to Oct 20, 2026: money came in on 0 days and went out on 0 days.
Money in on 0 of the 63 trading days, out on 0.
MYMK, net flow each trading day over the 252 sessions from Oct 20, 2025 to Oct 20, 2026: money came in on 4 days and went out on 0 days.
Money in on 4 of the 252 trading days, out on 0.
MYMK, net flow each trading day over the 400 sessions from Mar 19, 2025 to Oct 20, 2026: money came in on 4 days and went out on 0 days, of the 275 days with a daily figure; the other 125 have none. Before Sep 17, 2025 ETFIQ has the fund’s monthly figures only, from SEC filings: that span is shaded and draws no bars, and its months are in the month by month list.
Money in on 4 days, out on 0. Daily figures for 275 of 400 trading days; none for 125.
Computed by ETFIQ from State Street’s daily figures: each day’s change in shares outstanding times the previous day’s net asset value.
How this is computed
Percentages are of net assets at the start of each window. Figures are net: money in less money out. Checked against the filing: The month’s daily sum and the filing’s B.6 figure agree within rounding or, where the filing’s is larger, within rounding plus the fund’s creation and redemption fees. The full rule is in the fund’s flows file. Every day and month ETFIQ holds for MYMK, back to Sep 2025, is in its flows file. Flows across every fund · How these flows are computed · Compare MYMK with other funds in the flows tool
Every trading day, last 3 months65 days
Most recent first.
Week by week, last year53 weeks
Net flow into MYMK each week, Oct 21, 2025 to Oct 20, 2026, most recent first, each week named by its last trading day with a figure. Computed by ETFIQ.
Month by month, money in and money outSep 2025 to Oct 2026
MYMK, money in and money out each month from Sep 2025 to Sep 2026: two bars a month, money in above the line and money out below. Bars for Sep 2025 to May 2026 are from MYMK’s SEC filings (N-PORT item B.6), and for Jun 2026 to Sep 2026 ETFIQ’s sums of its days. Oct 2026 is still in progress, so it is in the list and not drawn. Of the 14 months listed, money came in on net in 4 and went out in 0.
Bars for Sep 2025 to May 2026 are from MYMK’s SEC filings (N-PORT item B.6), and for Jun 2026 to Sep 2026 ETFIQ’s sums of its days. Of the 14 months listed, money came in on net in 4 and went out in 0.
Most recent first.
How this is computed
N-PORT months: money in is sales plus reinvestments; money out is redemptions. Months summed from daily figures: money in adds the days money came in; money out adds the days it went out.
N-PORT months are the filed sales plus reinvestments less redemptions. Later months add up the daily figures; the Source column names any missing day.
Source: ETFIQ, from the fund’s daily share counts and net asset values, and its SEC N-PORT filings. Data as of Oct 20, 2026. Updated every trading night. Report a data error
MYMK key stats
About MYMK
Questions people ask about MYMK
- How has MYMK performed?
- Over the year to Oct 20, 2026, MYMK returned −0.3% with distributions reinvested.
- What does MYMK cost?
- The prospectus expense ratio is 0.20% a year.
- How far is MYMK below its high?
- 2.5% below its high of Feb 10, 2026, measured on the reinvested series to Oct 20, 2026.
ETFIQ links to the documents behind every figure; a link is not an endorsement.
Cite this pageCitation, APA and Markdown
ETFIQ, MYMK, bond fund, data as of Oct 20, 2026. https://etfiq.com/funds/mymk
ETFIQ. (Oct 20, 2026). MYMK, bond fund. Retrieved from https://etfiq.com/funds/mymk
[MYMK, bond fund (ETFIQ, Oct 20, 2026)](https://etfiq.com/funds/mymk)
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<figure style="margin:0;max-width:640px">
<a href="https://etfiq.com/funds/mymk"><img src="https://etfiq.com/assistant/api/embed/core/mymk.svg" alt="MYMK: MYMK over 1 year: total return −0.3%, S&P 500 +15.8%, −16.0 pts. Figures to Oct 20, 2026." width="640" style="max-width:100%;height:auto"></a>
<figcaption style="font:13px/1.5 sans-serif">MYMK: MYMK over 1 year: total return −0.3%, S&P 500 +15.8%, −16.0 pts. Figures to Oct 20, 2026. Data: <a href="https://etfiq.com/funds/mymk">ETFIQ</a></figcaption>
</figure>Four ranked ETF lists in one email every Friday morning. The last note