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Quantum equities

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Market prices
RGTI$11.67-1.1%Saved close · Yahoo Finance daily bar · October 19, 2026 regular-session close
QBTS$11.83+0.4%Saved close · Yahoo Finance daily bar · October 19, 2026 regular-session close
QUBT$6.42+0.9%Saved close · Yahoo Finance daily bar · October 19, 2026 regular-session close
IONQ$30.78-1.6%Saved close · Yahoo Finance daily bar · October 19, 2026 regular-session close
PSQL$5.93+4.6%Saved close · Yahoo Finance daily bar · October 19, 2026 regular-session close
Saved close · October 19, 2026 regular-session close
READOUT / PUBLIC MARKETS

The listed quantum basket.

Direct market links for the pure-play and strategic companies shaping the public quantum category.

Saved closing pricesOctober 19, 2026 regular-session close
TickerCompanyPrice1D1WYTD
RGTIRigetti ComputingSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$11.67-1.1%-11.9%-47.3%QBTSD-Wave QuantumSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$11.83+0.4%-13.9%-54.8%QUBTQuantum Computing Inc.Saved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$6.42+0.9%-7.4%-37.4%IONQIonQSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$30.78-1.6%-15.1%-31.4%PSQLPasqalSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$5.93+4.6%-7.3%—IBMIBMSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$236.39+1.8%+4.1%-20.2%HONHoneywellSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$209.98-0.7%+0.2%+2.6%QTUMDefiance Quantum ETFSaved close · Yahoo Finance daily bar · October 19, 2026 regular-session close$138.23+0.8%-6.9%+26.1%

Refresh is attempted every 60 seconds. Yahoo Finance quotes may include extended hours and may be delayed. Each row shows its quote time or saved closing date. 1D compares with the prior regular-session close; 1W compares with the latest regular-session close at least seven calendar days earlier. YTD compares with the final regular-session close of the previous calendar year. Price changes exclude dividends. A dash means a comparable year-end close is unavailable. Pasqal listed in August 2026; its predecessor SPAC history is excluded. Tickers link to their quote pages.

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