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Cabaletta Bio (CABA) closed at $1.50 on November 9, 2026, up 15.4% from the previous close, on volume of 7,485,095 shares (30-day average 4,889,939).

Key numbers
  • Last close: $1.50 (November 9, 2026)
  • 52-week range: $1.18 to $4.23
  • Market value: $254.3 million
  • 30-day implied volatility (IV30): 83.7%
  • Option volume: 1,781 contracts (1,309 calls, 472 puts); 30-day average 1,671

Data as of November 9, 2026.

CABA Stock Summary and Trading Ideas (Cabaletta Bio | NASDAQ:CABA)

Charts for Today's Stock Price and Implied Volatility in Cabaletta Bio

Stock Price & Volume | Full Chart

30-Day Implied Volatility | IV30 Full Chart

Trade Ideas for Best Option Strategies for CABA by Theoretical Edge and Win Rates

Sentiment

Largest Multi-Leg Option Trades (30 Days)

#DateStrategyLegsContracts

Ranked by contracts: multi-leg trades of 200 or more contracts on one day, through Nov 9, 2026. See the 10 largest for 30, 60 and 90 days

Trading Statistics

Key Ratios

Cabaletta Bio (CABA) Frequently Asked Questions

What does Cabaletta Bio do?

Cabaletta Bio Inc is a late clinical-stage biotechnology company focused on the discovery and development of engineered T cell therapies for autoimmune diseases. Its proprietary Cabaletta Approach to B cell Ablation (CABA) platform includes the CARTA approach, which uses chimeric antigen receptor T cells to eliminate B cells and potentially reset the immune system. The company develops cellular therapies including CAR T and CAAR T product candidates. Its candidate, rese-cel (resecabtagene autoleucel), a CD19-CAR T cell therapy, is being evaluated in Phase 1/2 trials for autoimmune diseases such as systemic lupus erythematosus, myositis, systemic sclerosis, generalized myasthenia gravis, and pemphigus vulgaris.

What symbol and exchange does Cabaletta Bio shares trade?

Cabaletta Bio trades on the NASDAQ stock market under the symbol CABA.

What is Cabaletta Bio stock price doing today?

As of November 10, 2026, CABA stock price declined to $1.43 with 2,330,168 million shares trading.

What is Cabaletta Bio's Beta?

CABA has a beta of 2.43, meaning it tends to be more sensitive to market movements. CABA has a correlation of 0.11 to the broad based SPY ETF.

How much is Cabaletta Bio worth?

CABA has a market cap of $242.45 million. This is considered a Small Cap stock.

What is the highest and lowest price Cabaletta Bio traded in the last 3 year period?

In the last 3 years, CABA traded as high as $26.35 and as low as $.99.

What are the top ETFs holding Cabaletta Bio?

The top ETF exchange traded funds that CABA belongs to (by Net Assets): VTI, XBI, IWM, VXF, FESM.

Is Cabaletta Bio (CABA) a good investment?

CABA has underperformed the market in the last year with a return of -43.9%, while the SPY ETF gained +12.8%. In the last 3 month period, CABA fell short of the market, returning -48.7%, while SPY returned -2.8%. However, in the most recent 2 weeks CABA has outperformed the stock market by returning +5.9%, while SPY returned -2.1%.

What are the support and resistance levels for Cabaletta Bio (CABA)?

CABA support price is $1.41 and resistance is $1.59 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CABA shares will trade within this expected range on the day.

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