Why is QSI Down Today?

QSI
$1.23
▼ -3.54% ($-0.04)
Last updated: Nov 12, 2026 8:30 PM ET (522 min ago)

About Quantum-Si Incorporated Class A Common Stock

Quantum-Si Inc is a life sciences company focused on the development and commercialization of proteomics research tools. The company has designed and developed a hardware, consumable, and software solution to provide a solution for protein detection and analysis. It has developed a proprietary unive...

Sector: MEASURING & CONTROLLING DEVICES, NEC
Market Cap: $295.64M
Forward P/E: -3.1
52-Week Range: $0.69 - $1.81
Employees: 143

Overall Confidence: 65%

65% Confident

Based on news, social sentiment, options activity, and sector analysis

SECTOR 65% Confidence
🎯 MEASURING & CONTROLLING DEVICES, NEC sector moving together
This appears to be a sector-wide move. The MEASURING & CONTROLLING DEVICES, NEC sector is down 1.3% on average.

✅ Move Confirmation

LOW VOLUME 0.5x average volume

UNCONFIRMED - Low volume suggests this move may not be sustainable.

📍 Sector Context

MEASURING & CONTROLLING DEVICES, NEC sector: -1.3%

This appears to be a sector-wide move. Most MEASURING & CONTROLLING DEVICES, NEC stocks are moving in the same direction.

Market Comparison

QSI is significantly underperforming the market (-3.2% vs SPY)
S&P 500
SPY
-0.35%
Nasdaq 100
QQQ
-0.32%
QSI
This Stock
-3.54%
vs S&P 500: -3.19%
vs Nasdaq: -3.22%

📊 What Happens Next?

Probability Analysis

45% chance this move continues in the next 1-3 days

Expected Range

Based on historical patterns and options pricing, QSI is expected to trade between:
$1.19 - $1.25

Key Level to Watch

$1.16 support
Watch for breakdown below $1.23

🔔 Get QSI Alerts

We'll notify you when QSI's trend changes or a new signal fires.

Last updated: Nov 12, 2026 8:30 PM (522 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bullish
Options Sentiment
0.15
Put/Call Ratio
239.8%
Implied Volatility
Call Volume: 26,747
Put Volume: 3,970
Total: 30,717

Historical Context

QSI has moved more than 3.0% down on 72 occasions in the past year.

51.4%
Continuation Rate
37/72 times continued down
+0.76%
Avg Next Day Change
After similar down moves
Last similar move: Nov 10, 2026 (-6.6%) → Next day: -0.8%

Frequently Asked Questions

Why is QSI stock down today?

This appears to be a sector-wide move. The MEASURING & CONTROLLING DEVICES, NEC sector is down 1.3% on average.

Is QSI stock a buy or sell right now?

Based on current analysis, QSI shows 65% confidence in today's move. Volume is low which does not confirm the trend. View full buy/sell analysis →

What is the QSI stock price target?

QSI is currently trading at $1.23. Based on today's momentum, the expected short-term range is $1.19 - $1.25. See long-term price prediction →

Will QSI stock continue falling?

Our analysis shows a 45% probability that QSI's move continues in the next 1-3 days. Key level to watch: $1.16 (support).

Is QSI stock oversold or overbought?

QSI's RSI (Relative Strength Index) is currently at 47.4. This shows bearish momentum - the stock has negative momentum but isn't oversold yet.

What is the momentum for QSI stock?

QSI's 10-day momentum indicator is at -0.53. Negative momentum - the stock has mild downward pressure which may continue short-term.

Is QSI outperforming or underperforming the market?

QSI (-3.54%) is currently significantly underperforming the market (-3.2% vs SPY). Today, the S&P 500 (SPY) is down -0.35%, and Nasdaq (QQQ) is down -0.32%.

What does MACD indicate for QSI?

QSI's MACD (0.03) is currently below the signal line (0.06), indicating a bearish trend. This technical signal suggests selling pressure is dominant. The trend strength (ADX: 25.1) is strong.

Is QSI in an uptrend or downtrend?

Based on moving average analysis, QSI is in a mixed/transitional trend. The price and moving averages are not clearly aligned, suggesting a potential trend change or consolidation phase. 20-day SMA: $1.33, 50-day SMA: $1.13.

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