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Billiontoone - Class A (BLLN) closed at $105.15 on November 13, 2026, down 5.1% from the previous close, on volume of 603,507 shares (30-day average 570,296).

Key numbers
  • Last close: $105.15 (November 13, 2026)
  • 52-week range: $61.96 to $150.44
  • Market value: $5.0 billion
  • 30-day implied volatility (IV30): 77.8%
  • Option volume: 556 contracts (555 calls, 1 puts); 30-day average 310

Data as of November 13, 2026.

BLLN Stock Summary and Trading Ideas (Billiontoone - Class A | NASDAQ:BLLN)

Charts for Today's Stock Price and Implied Volatility in Billiontoone - Class A

13-Nov-2026

Stock Price & Volume | Full Chart

30-Day Implied Volatility | IV30 Full Chart

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

Sentiment

Largest Multi-Leg Option Trades (30 Days)

#DateStrategyLegsContracts
1 Nov 4, 2026 Put with Delta Hedge 20-Nov-26 110 P +19,800 Stock 562
2-3 The next 2 largest trades are for Premium members. Start a 7-day free trial

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Ranked by contracts: multi-leg trades of 200 or more contracts on one day, through Nov 13, 2026. See the 10 largest for 30, 60 and 90 days

Trading Statistics

Key Ratios

Billiontoone - Class A (BLLN) Frequently Asked Questions

What does Billiontoone - Class A do?

BillionToOne Inc is a molecular diagnostics company. It offers a portfolio of ultrasensitive tests covering prenatal genetic testing, cancer therapy selection, and response monitoring, which are based on its Quantitative Counting Templates (QCT) molecular counting platform. The company's product portfolio comprises UNITY, a portfolio of prenatal testing products that can conduct fetal risk analysis without requiring a paternal sample; Northstar Select, a ultrasensitive liquid biopsy test that provides insights into appropriate therapies for stage III or IV cancer patients; and Northstar Response, a tissue-free, pan-cancer, liquid biopsy test that measures several genomic loci uniquely methylated in cancer to provide insight into dynamic changes in therapy response.

What symbol and exchange does Billiontoone - Class A shares trade?

Billiontoone - Class A trades on the NASDAQ stock market under the symbol BLLN.

What is Billiontoone - Class A stock price doing today?

As of November 13, 2026, BLLN stock price declined to $105.15 with 603,507 million shares trading.

What is Billiontoone - Class A's Beta?

BLLN has a beta of -0.26, meaning it tends to be less sensitive to market movements. BLLN has a correlation of 0.00 to the broad based SPY ETF.

How much is Billiontoone - Class A worth?

BLLN has a market cap of $5.02 billion. This is considered a Mid Cap stock.

How much money does Billiontoone - Class A make?

Last quarter Billiontoone - Class A reported $123 million in Revenue and $.32 earnings per share. This beat revenue expectation by $3 million and exceeded earnings estimates by $.05.

What are the top ETFs holding Billiontoone - Class A?

The top ETF exchange traded funds that BLLN belongs to (by Net Assets): VTI, VB, VBK, VXF, SCHA.

Is Billiontoone - Class A (BLLN) a good investment?

BLLN has outperformed the market in the last year with a return of +17.4%, while the SPY ETF gained +13.4%. In the last 3 month period, BLLN beat the market returning +11.8%, while SPY returned -2.8%. However, in the most recent 2 weeks BLLN has underperformed the stock market by returning -7.2%, while SPY returned -0.2%.

What are the support and resistance levels for Billiontoone - Class A (BLLN)?

BLLN support price is $106.60 and resistance is $114.98 (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 BLLN shares will trade within this expected range on the day.

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