QSI · Nasdaq · Technology Services

What does it cost to trade Quantum-Si Incorporated Class A?

A $10,000 order costs about $92.69 (92.7 bps) between the half-spread and market impact.

Data as of 1 November 2026

Cost of $10k$92.69
Estimated quoted spread120.0 bps
Average daily trading value$15.1M
Daily volatility5.76%
1-day VaR (95%) on $10,000$948
Liquidity tierThin

Estimated cost by order size

Order Half-spread Market impact Total Share of daily volume
$1,000 60.0 bps 12.9 bps $7.29 · 72.9 bps < 0.01%
$10,000 60.2 bps 32.5 bps $92.69 · 92.7 bps 0.066%
$100,000 62.0 bps 84.0 bps $1,460.37 · 146.0 bps 0.663%

Liquidity

Quantum-Si Incorporated Class A trades about $15.1M a day, which puts it in the thin liquidity tier. At that depth the model estimates a quoted spread of 120.0 bps, so a market order pays roughly half of it on the way in, and again on the way out. An order stays below 1% of a normal day's trading up to about $151K.

Volatility and risk

Daily volatility is around 5.76%, which is very high for a stock. On a $10,000 position, the 1-day value at risk at 95% is about $948: on one trading day in twenty, a loss larger than that should be expected. Volatility also widens spreads, which the cost estimate above already includes.

How these figures are estimated

Spread: PreTrAIde's liquidity-tier model (average daily trading value) with a volatility uplift and a one-tick floor. Market impact: an Almgren-Chriss-style model on the order's share of daily volume. VaR: 1.645 × daily volatility. Inputs are 30-day average volume and recent price range. These are estimates, not quotes: the real cost depends on the market when the order is placed. PreTrAIde Methodology: How a Pre-Trade Analysis Is Computed

Frequently asked questions

How much does it cost to buy $10,000 of Quantum-Si Incorporated Class A?

PreTrAIde estimates about $92.69 (92.7 bps) for a $10,000 market order in Quantum-Si Incorporated Class A: $60.20 of half-spread and $32.49 of market impact, before any broker commission.

Is Quantum-Si Incorporated Class A a liquid stock?

Quantum-Si Incorporated Class A trades about $15.1M a day, in the thin liquidity tier of PreTrAIde's model, with an estimated quoted spread of 120.0 bps.

How volatile is Quantum-Si Incorporated Class A?

Its daily volatility is about 5.76% (very high). The 1-day 95% value at risk on a $10,000 position is about $948.

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Educational content, not investment advice. PreTrAIde is analysis software, not a broker: it never executes orders, and its verdicts are decision support, not recommendations to buy or sell.