Cboe BZX · ACSG · ETF
American Century Small Cap Growth Insights ETF (ACSG) ETF price history
Every Cboe BZX trading session of American Century Small Cap Growth Insights ETF from Oct 16, 2025 to Sep 28, 2026: 238 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.
ACSG adjusted close, 2025 to 2026
- $50.85
- All time high, 2026
- $51.20
- 52 week high, $37.90 low
- 238
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
ACSG key facts
- American Century Small Cap Growth Insights ETF (ACSG) closed at $46.03 on Sep 28, 2026 on Cboe BZX.
- ACSG's all time high close is $50.85, set on Aug 14, 2026; its all time low close is $37.90 on Mar 30, 2026.
- ACSG's 52 week range is $37.90 to $51.20.
- ACSG's deepest drawdown was -13.3% from Jan 22, 2026 to Mar 30, 2026.
- DataCedar holds 238 daily sessions of ACSG history from Oct 16, 2025 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ACSG price chart, 2025 to 2026
ACSG returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.4% |
| 3 months | -6.4% |
| 6 months | +19.0% |
| Year to date | +11.7% |
| 1 year | n/a |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Oct 16, 2025 | +14.0% |
ACSG records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $50.85 on Aug 14, 2026
- All time low close
- $37.90 on Mar 30, 2026
- 52 week high
- $51.20 on Aug 20, 2026
- 52 week low
- $37.90 on Mar 30, 2026
- Deepest drawdown
- -13.3% from Jan 22, 2026 to Mar 30, 2026, recovered Apr 17, 2026
- Best single session
- +4.5% on Mar 31, 2026
- Worst single session
- -3.9% on Jun 5, 2026
- Volatility, 1 year annualised
- 21.5%
- Sessions closing higher, 1 year
- 50%
ACSG 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. 2025 starts on Oct 16, 2025; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $41.25 | $51.20 | $37.90 | $46.03 | +12.7% | 1.2M | 185 |
| 2025 | $41.19 | $42.39 | $37.98 | $40.84 | n/a | 170.4K | 53 |
ACSG monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $46.03 | -5.1% |
| August 2026 | $48.51 | +1.7% |
| July 2026 | $47.69 | -5.0% |
| June 2026 | $50.20 | +6.3% |
| May 2026 | $47.21 | +5.6% |
| April 2026 | $44.71 | +12.8% |
| March 2026 | $39.63 | -5.9% |
| February 2026 | $42.11 | +0.7% |
| January 2026 | $41.80 | +2.4% |
| December 2025 | $40.84 | -1.4% |
| November 2025 | $41.43 | +1.3% |
| October 2025 | $40.91 | n/a |
About the ACSG data
Daily bars. 238 sessions from Oct 16, 2025 to Sep 28, 2026, one row per Cboe BZX 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 Cboe BZX 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 16, 2025, 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/ACSG/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Cboe BZX
Common questions
ACSG share price history
