Regeneron stock price is about $564.63 per share today; check live quotes for updates.
When people ask what Regeneron costs, they usually mean the current share price of REGN on the Nasdaq. Price moves minute by minute during market hours, and it also trades after hours with lighter volume. Below is a quick view of today’s snapshot so you can see where things stand right now and what each figure means.
Today’s Regeneron Snapshot And What It Means
| Metric | Value | Why It Matters |
|---|---|---|
| Latest Share Price (REGN) | $564.63 | The going rate per share at the latest trade. |
| Day Range | $555.55 – $577.07 | Shows intraday volatility and where buyers/sellers met. |
| Previous Close | $569.99 | Yesterday’s last trade; a baseline for today’s move. |
| Day Change | -0.94% | Percent move from previous close to the latest price. |
| 52-Week Range | $476.49 – $1,024.36 | One-year trading band; a quick sense of recent extremes. |
| P/E Ratio (TTM) | 14.70 | A common valuation gauge: price divided by trailing earnings. |
The live quote updates through the trading session. If you need a timestamped print, use your broker or a market-data site that shows last trade time and exchange. For official filings and deeper numbers, the company’s investor pages carry earnings, cash flow, and pipeline news via press releases and SEC links.
What “Price” Answers And What It Doesn’t
The share quote tells you what one unit of ownership costs right now. It doesn’t tell you how many shares are outstanding, how profitable the business is, or what could shift the outlook next quarter. To make sense of a number like $564.63, pair it with context: earnings, growth drivers, patent cycles, and competitive pressure in eye care and immunology.
Face Value Versus Value
Face value here is just the tag on the screen. Value weighs the full stream of future cash flows the market expects the company to generate. That’s why a $10 move can feel small one week and large the next. Earnings updates, clinical readouts, or policy decisions can reset those expectations in minutes.
Where To Check A Live REGN Quote
Use your trading app, your broker’s web platform, or well-known market portals. Many sites show real-time or near-real-time prices, the 52-week band, and valuation ratios. Company investor pages also post quarterly results and slide decks, which help you match headlines to moves.
Price Drivers You Should Watch
Biopharma stocks swing on a mix of clinical data, product demand, partner updates, and manufacturing news. This company is known for ophthalmology products, its alliance with Sanofi on Dupixent, and a broad R&D engine. Each line below maps to a lever that commonly nudges the quote.
Earnings And Guidance
Quarterly reports frame the near-term story: product sales, collaboration revenue, R&D spend, and any change in outlook. A modest beat with steady guidance can lift the quote; a miss or trimmed targets can do the opposite. Read the tables in the release, then scan the transcript for color on launch curves and reimbursement.
Clinical And Regulatory Milestones
Late-stage trial results, label expansions, and safety updates can trigger fast moves. Positive data on oncology or immunology assets can expand revenue potential. Safety flags or a complete response letter can compress it. Manufacturing notes tied to third-party plants can also matter.
Competitive Dynamics
Dermatology and eye-care markets are active. New biologics or longer-acting shots from rivals can reshape share. If a new entrant promises similar outcomes with fewer visits, payers and doctors may pay attention, and traders usually do too.
Policy And Payer Trends
Medicare price talks, coverage decisions, and pharmacy-benefit rules influence net pricing and growth arcs. One headline can change forward models across the sector.
Turning A Quote Into A Quick Valuation Check
You don’t need a spreadsheet to run a fast sense check. A few ratios go a long way. P/E compares price with trailing earnings. Price-to-sales helps when earnings swing with cycle spend. Free-cash-flow yield shows cash power after investments. None tells the whole story, but together they frame the ballpark.
How To Read The P/E
A P/E near 15 says the market is paying about fifteen years of trailing earnings for each share. In research-heavy fields, that’s common, since one major label change can shift the “E” quickly. Still, swings happen when the “E” moves, so watch the denominator when new results drop.
Use The 52-Week Range Wisely
The one-year band gives a sanity check on how stretched or depressed the quote looks versus recent history. It doesn’t cap gains or losses; it just shows where traders marked the tape over the past year.
How News Flows Into Price
Market watchers map headlines to orders. A label expansion for an oncology drug can spark buying. A rival’s strong eczema data can weigh on sentiment for an asthma or dermatitis franchise. A sharp swing in the S&P 500 often pulls large caps with it, even when company news is quiet.
Event Types That Often Move REGN
- Quarterly earnings with new guidance ranges.
- Top-line trial readouts and major conference abstracts.
- U.S. or EU approval decisions and label changes.
- Supply chain notes tied to third-party manufacturing.
- Policy news on drug pricing or reimbursement.
- Partner updates from Sanofi on shared assets like Dupixent.
Costs, Spreads, And Practical Buying Math
Suppose you wanted ten shares at the current screen price. The gross outlay would be the quote times ten, plus any broker commissions and fees. The bid-ask spread can add a small hidden cost if you lift the offer. A limit order helps control entry, especially in premarket or after-hours trade where liquidity thins out.
Order Types In Plain English
- Market order: Fills right away at the best available price.
- Limit order: Sets a max you’re willing to pay or a min you’ll accept to sell.
- Stop or stop-limit: Triggers a market or limit order if the stock hits your stop.
Premarket And After-Hours
Outside regular hours, quotes can jump on thin volume, so small orders can move price more than you’d expect. News often lands before the open or right after the close, which is why extended-hours moves can look outsized.
Recent Context You Can Verify
Management posts quarterly results and slides with revenue, margins, and R&D updates. You can also read the annual report and 10-K for product tables, patent dates, and risk factors. Regulatory decisions and trial updates round out the picture and often tie directly to the next swing.
Quick Reference Links
Read the company’s Q2 2025 financial update and the latest Form 10-K for formal numbers and risk sections. For live quotes and the one-year trading band, market portals like Nasdaq’s REGN page publish the core stats most traders check each day.
Turning Price Into A Plan
Set your goal first: a trade around a catalyst, or a multi-year position. Then map entries and exits to events. If you follow catalysts, pin dates for earnings calls, top-line readouts, and regulator decisions. If you’re thinking long term, track market share in eye care, Dupixent growth via Sanofi reports, and any new labels that open fresh patient groups.
Simple Tracking Checklist
- Add the ticker to a watchlist with price alerts near recent support and resistance.
- Skim press releases for product demand trends and guidance comments.
- Scan large-cap biotech headlines each morning for sector moves.
- Check valuation ratios monthly to see if price outran fundamentals.
Mini Glossary For Faster Reading
P/E: Price divided by trailing 12-month earnings per share. Lower can mean cheaper, or lower growth. Higher can mean rich, or strong growth.
Free cash flow: Cash from operations minus capital spending. Useful for thinking about buybacks and internal funding.
Label expansion: A new approved use for an existing drug. Can extend revenue from the same molecule.
Top-line: First public cut of primary results. Often missing deep subgroup detail.
Deeper Data Points To Watch
Revenue mix matters. Eye-care trends, collaboration lines from Sanofi, and milestone timing can change quarter to quarter. Taxes and share count influence per-share math. On the cash side, look at R&D as a share of sales and any buyback authorizations in the filings.
Why The Pipeline Matters To Price
A strong pipeline supplies the next wave of products as older lines slow. Late-stage programs in oncology, immunology, and ophthalmology can add large optionality. When a trial succeeds, the model shifts; when a trial misses, the model contracts. That’s why R&D calendars sit next to quote screens on many desks.
Handy Benchmarks And Date Anchors
The table below bundles reference marks you can use when sizing swings and gauging whether the tape looks stretched or reasonable relative to recent history.
| Marker | Latest Figure | What To Do With It |
|---|---|---|
| 52-Week Range | $476.49 – $1,024.36 | Mark alerts near prior highs/lows to watch momentum. |
| P/E (Trailing) | 14.70 | Compare with your own growth and margin assumptions. |
| Latest Trade Time (UTC) | 00:15 | Use timestamps when you need to match a print to news. |
Method Notes
Figures in the top table pull from widely used quote feeds and public pages. The annual filing link points to the SEC’s copy. The quarterly link points to the company’s release. Ratios like P/E change with price and earnings, so they drift as the tape moves or when new results land. Always refresh the page before you act on a figure.
Bottom Line For Readers Checking The Price
Today’s quote sits near the middle of the one-year band, with a P/E that lines up with a maturing, research-heavy large cap. If you’re tracking the number day to day, pin the earnings date, watch clinical milestones, and keep an eye on rival readouts in dermatology and oncology. Price is the headline; context turns it into a story you can act on.