What sector is QUMSR in?

Financials, in the Blank Checks industry.

NASDAQ · QUMSRFinancialsBlank Checks

Quantumsphere Acquisition Corp. Rights (QUMSR)

$0.0603−0.66%

Close Sep 28, 2026 · split-adjusted

Sep 28, 2026$0.06▼ 68.26% in range

Sep 30, 2025Low $0.06 · High $0.46Sep 28, 2026

What changed · written from our data

As of Sep 28, 2026

Quantumsphere Acquisition Corp. Rights closed at $0.06 on Sep 28, down 0.66%, within 0.3% of its lowest close since Sep 30. Volume of 3.4K shares was 0.12× its 20-day average (below normal).

Split-adjusted performance: -63.3% over one month, -75.9% over six months.

Short interest was 5.4K shares at the Sep 15 settlement, down 18.7% from the prior report (1.0 days to cover).

Market cap—

Revenue · quarter$0.00—

Diluted EPS$0.05—

P/E · TTM—

Net margin—

Dividend yieldNone

Range since Sep 300.06 – 0.46−86.9% from high

Volume3.4K0.12× 20-day avg

Volatility · 60d236.4%Annualised

Short % of float—1.0 days to cover

Net cash$4.9KCash $4.9K

Next earnings—Not scheduled

Split-adjusted performance

1W −0.3%1M −63.3%3M −69.7%6M −75.9%YTD −71.3%1Y —3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Blank Checks

Percentile among 164 companies (100 = best)

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Industry medians: 6-month return +2.1%, revenue growth −2.0%, net margin −34.2%, P/E 43.1×.

Short interest

Details →

Shares short5.4K−18.7% vs prior

Days to cover1.0Settled Sep 15

% of float—

Short vol. 10d50.0%of daily volume

News about Quantumsphere Acquisition Corp. Rights

All news →

No recent articles focused on Quantumsphere Acquisition Corp. Rights.

Quick answers

What sector is QUMSR in?: Financials, in the Blank Checks industry.

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology