Nasdaq · SEIS · ETF
SEI Select Small Cap ETF (SEIS) ETF price history
Every Nasdaq trading session of SEI Select Small Cap ETF from Oct 10, 2024 to Sep 28, 2026: 492 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
SEIS adjusted close, 2024 to 2026
- $33.66
- All time high, 2026
- $33.76
- 52 week high, $25.79 low
- 492
- Daily sessions since 2024
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
SEIS key facts
- SEI Select Small Cap ETF (SEIS) closed at $31.28 on Sep 28, 2026 on Nasdaq.
- SEIS's all time high close is $33.66, set on Aug 14, 2026; its all time low close is $20.65 on Apr 8, 2025.
- SEIS's 52 week range is $25.79 to $33.76.
- SEIS returned +12.0% over the year to Sep 28, 2026.
- Since Oct 10, 2024 SEIS returned +25%, +11.8% a year compounded.
- SEIS's deepest drawdown was -26.1% from Nov 25, 2024 to Apr 8, 2025.
- DataCedar holds 492 daily sessions of SEIS history from Oct 10, 2024 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
SEIS price chart, 2024 to 2026
SEIS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -4.7% |
| 3 months | -5.1% |
| 6 months | +15.5% |
| Year to date | +11.0% |
| 1 year | +12.0% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Oct 10, 2024 | +24.5% |
| Compound annual growth, 2.0 years | +11.8% |
SEIS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $33.66 on Aug 14, 2026
- All time low close
- $20.65 on Apr 8, 2025
- 52 week high
- $33.76 on Aug 5, 2026
- 52 week low
- $25.79 on Nov 20, 2025
- Deepest drawdown
- -26.1% from Nov 25, 2024 to Apr 8, 2025, recovered Sep 11, 2025
- Best single session
- +9.0% on Apr 9, 2025
- Worst single session
- -7.3% on Apr 3, 2025
- Volatility, 1 year annualised
- 18.8%
- Sessions closing higher, 1 year
- 53%
- Best calendar year
- 2025, +10%
- Worst calendar year
- 2025, +10%
SEIS price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2024 starts on Oct 10, 2024; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $28.05 | $33.76 | $26.55 | $31.28 | +12.1% | 9.5M | 185 |
| 2025 | $25.67 | $29.03 | $20.20 | $27.91 | +9.8% | 9.4M | 250 |
| 2024 | $25.06 | $28.20 | $24.96 | $25.41 | n/a | 9.6M | 57 |
SEIS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $31.28 | -3.9% |
| August 2026 | $32.56 | +0.8% |
| July 2026 | $32.29 | -3.7% |
| June 2026 | $33.52 | +5.9% |
| May 2026 | $31.65 | +1.5% |
| April 2026 | $31.20 | +13.1% |
| March 2026 | $27.59 | -5.6% |
| February 2026 | $29.24 | +0.3% |
| January 2026 | $29.15 | +4.5% |
| December 2025 | $27.91 | -0.3% |
| November 2025 | $27.98 | +2.6% |
| October 2025 | $27.27 | -2.0% |
About the SEIS data
Daily bars. 492 sessions from Oct 10, 2024 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 10, 2024, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/SEIS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
SEIS share price history
