Nasdaq · QUMS · stock
Quantumsphere Acquisition Corp (QUMS) stock price history
Every Nasdaq trading session of Quantumsphere Acquisition Corp from Sep 30, 2025 to Nov 12, 2026: 283 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.
QUMS adjusted close, 2025 to 2026
- $10.42
- All time high, 2026
- $10.42
- 52 week high, $9.98 low
- 283
- Daily sessions since 2025
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
QUMS key facts
- Quantumsphere Acquisition Corp (QUMS) closed at $10.41 on Nov 12, 2026 on Nasdaq.
- QUMS's all time high close is $10.42, set on Nov 9, 2026; its all time low close is $9.93 on Oct 2, 2025.
- QUMS's 52 week range is $9.98 to $10.42.
- QUMS returned +4.4% over the year to Nov 12, 2026.
- Since Sep 30, 2025 QUMS returned +5%, +4.1% a year compounded.
- QUMS's deepest drawdown was -0.5% from Jan 22, 2026 to Jan 23, 2026.
- DataCedar holds 283 daily sessions of QUMS history from Sep 30, 2025 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
QUMS price chart, 2025 to 2026
QUMS returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.5% |
| 3 months | +1.1% |
| 6 months | +2.4% |
| Year to date | +4.1% |
| 1 year | +4.4% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Sep 30, 2025 | +4.6% |
| Compound annual growth, 1.1 years | +4.1% |
QUMS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $10.42 on Nov 9, 2026
- All time low close
- $9.93 on Oct 2, 2025
- 52 week high
- $10.42 on Nov 2, 2026
- 52 week low
- $9.98 on Nov 12, 2025
- Deepest drawdown
- -0.5% from Jan 22, 2026 to Jan 23, 2026, recovered Jan 27, 2026
- Best single session
- +0.6% on Jan 27, 2026
- Worst single session
- -0.5% on Jan 23, 2026
- Volatility, 1 year annualised
- 1.5%
- Sessions closing higher, 1 year
- 26%
QUMS 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 Sep 30, 2025; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $10.01 | $10.42 | $10.00 | $10.41 | +4.0% | 5M | 218 |
| 2025 | $9.99 | $10.23 | $9.92 | $10.01 | n/a | 4M | 65 |
QUMS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $10.41 | +0.1% |
| October 2026 | $10.40 | +0.5% |
| September 2026 | $10.35 | +0.2% |
| August 2026 | $10.33 | +0.5% |
| July 2026 | $10.28 | +0.6% |
| June 2026 | $10.22 | +0.2% |
| May 2026 | $10.20 | +0.4% |
| April 2026 | $10.16 | +0.4% |
| March 2026 | $10.12 | +0.6% |
| February 2026 | $10.06 | -0.3% |
| January 2026 | $10.09 | +0.8% |
| December 2025 | $10.01 | +0.2% |
About the QUMS data
Daily bars. 283 sessions from Sep 30, 2025 to Nov 12, 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 Oct 22, 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 Sep 30, 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/nasdaq%3AQUMS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
QUMS share price history
