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Regeneron Pharmaceuticals Inc (REGN) — Price History

As of 2026-11-10 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

Full Chart ↗

The Closelooknet read

  • Closelooknet score: 64 out of 100 (momentum 84 · quality 72 · valuation 45), as of 2026-11-11.
  • Signal: Trending — Above its 20-, 50- and 200-day — still in an uptrend. (as of 2026-11-09)
  • Trend: Regeneron Pharmaceuticals Inc trades 14.0% above its 50-day and 23.8% above its 200-day moving average. (as of 2026-11-09)
  • Index seat: HALO Growth 100

Regeneron discovers, develops, manufactures and sells medicines across eye disease, immune and inflammatory conditions, cardiovascular and metabolic disorders, neurological and infectious disease, rare disease, cancer and blood disorders. Its marketed products include an eye injection for macular degeneration and related retinal conditions, an injection for atopic dermatitis and asthma, a skin-cancer treatment, a cholesterol-lowering injection and a rheumatoid arthritis treatment.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the REGN overview; the trend detail on the technical tab. Agents can buy the score depth per call over HTTP 402 — see the catalogue. Research diary readings, not advice.

Daily prices

DateOpenHighLowCloseChg %Volume
2026-11-10915.34919.72905.38916.06-0.42%516,977
2026-11-09922.35933.36901.07919.96+1.73%856,500
2026-11-06887.22911.64887.04904.35+0.16%1,122,800
2026-11-05938.51948.11901.53902.90-2.98%1,407,000
2026-11-04989.90991.73927.42930.67-4.39%1,395,000
2026-11-03956.28975.49953.00973.36+1.26%1,198,600
2026-11-02927.22974.00927.00961.26+3.60%1,660,200
2026-10-30869.43935.35839.08927.89+13.33%2,870,600
2026-10-29826.14828.19811.63818.77+0.68%787,100
2026-10-28807.06821.16802.20813.27-0.35%536,300
2026-10-27807.67816.14804.05816.10+1.04%726,100
2026-10-26812.31817.17796.61807.67+0.33%423,900
2026-10-23819.09819.09801.22805.02-1.72%527,700
2026-10-22809.01825.52800.00819.09+1.67%852,300
2026-10-21806.74813.86800.24805.67-0.22%581,000
2026-10-20793.85807.86789.69807.48+3.25%623,400
2026-10-19792.59800.00780.83782.04-1.10%489,600
2026-10-16803.01805.68787.32790.74-0.70%653,500
2026-10-15802.33809.49792.58796.34+2.31%798,800
2026-10-14758.16781.84755.21778.36+3.35%878,400
2026-10-13762.49765.60743.57753.12-1.27%629,600
2026-10-12748.67768.66744.96762.81+2.18%618,200
2026-10-09737.20751.27732.83746.54+0.94%466,000
2026-10-08742.12744.50723.65739.57-0.34%500,300
2026-10-07738.05753.68734.18742.12+0.46%626,400
2026-10-06734.61740.51727.16738.72+1.69%615,100
2026-10-05734.37736.42722.02726.47-1.19%694,700
2026-10-02740.50742.50729.20735.20+0.05%613,900
2026-10-01766.53777.43726.02734.81-3.09%1,042,800
2026-09-30749.84763.72742.94758.27+1.03%872,400
2026-09-29745.85752.47741.83750.51-0.23%804,300
2026-09-28778.09780.95750.00752.25-4.54%1,149,800
2026-09-25803.87803.87784.13788.04-1.00%592,100
2026-09-24801.59807.21789.39796.02-0.72%602,600
2026-09-23805.23813.53790.02801.82-0.26%721,100
2026-09-22802.48811.66791.31803.90+0.72%600,200
2026-09-21786.03801.44779.96798.17+1.70%704,400
2026-09-18787.34794.73779.65784.85-0.58%2,473,436
2026-09-17781.18789.99774.77789.45+1.92%702,816
2026-09-16775.82779.98771.80774.61+0.06%382,900
2026-09-15788.53788.58769.57774.11-2.47%540,600
2026-09-14791.98798.84779.45793.74+1.57%591,100
2026-09-11800.00800.22780.81781.49-1.48%444,000
2026-09-10794.36806.14792.00793.26-1.78%526,900
2026-09-09803.83808.63796.73807.65-0.33%621,400
2026-09-08814.36821.17799.42810.31-2.10%556,500
2026-09-04840.06841.54825.83827.72-1.87%561,100
2026-09-03858.19859.34837.63843.47-1.00%496,200
2026-09-02826.24854.49825.77852.03+3.42%749,400
2026-09-01808.86824.63804.32823.82+3.10%682,600
2026-08-31782.44802.78779.08799.08+0.62%894,100
2026-08-28809.40809.40789.08794.19-1.67%488,305
2026-08-27806.18817.62804.27807.71-0.87%766,800
2026-08-26827.78831.67814.70814.79-2.25%585,300
2026-08-25829.22839.94823.44833.56+0.61%505,400
2026-08-24834.51834.70823.40828.50-0.66%672,000
2026-08-21835.74847.00826.64834.04+0.90%786,800
2026-08-20831.70840.82826.05826.64-1.69%596,400
2026-08-19817.17844.92815.38840.84+3.78%750,400
2026-08-18814.00821.02805.93810.24+0.53%779,000
2026-08-17801.76813.18795.73805.93+0.30%541,300
2026-08-14802.35806.54792.57803.48-0.31%425,600
2026-08-13802.21815.80794.49805.97+1.00%709,700
2026-08-12790.55801.36784.61797.99+0.12%575,100
2026-08-11808.80813.63796.66797.00-1.37%939,100
2026-08-10781.72809.09775.83808.05+3.02%1,213,700
2026-08-07774.47785.99767.17784.36+1.59%837,600
2026-08-06777.85780.95762.79772.11+0.46%783,900
2026-08-05767.98782.59763.31768.58+1.04%532,400
2026-08-04753.76763.54747.00760.66+0.19%817,300
2026-08-03769.54772.75756.44759.24-0.44%842,600
2026-07-31726.69764.75724.79762.63+3.29%1,158,300
2026-07-30701.90740.00694.98738.34+6.17%1,460,700
2026-07-29699.38702.60691.00695.42+0.03%1,022,100
2026-07-28676.93696.74676.46695.18+4.20%900,200
2026-07-27661.77678.12659.53667.17+1.70%650,800
2026-07-24658.29667.50654.05656.01+0.63%708,400
2026-07-23646.48655.20637.80651.91+0.11%1,129,400
2026-07-22676.43676.80648.90651.18-3.56%872,200
2026-07-21672.55678.67666.87675.19+0.45%529,400
2026-07-20674.72681.74669.88672.15-0.67%624,800
2026-07-17676.05691.13672.31676.69-0.33%648,300
2026-07-16666.28680.29661.38678.94+2.18%730,100
2026-07-15656.11669.10648.66664.45+1.27%555,400
2026-07-14658.00663.10653.31656.12-1.05%478,000
2026-07-13661.63665.60655.11663.09-0.22%606,300
2026-07-10670.06676.66658.50664.52-0.51%581,700
2026-07-09660.80669.16660.80667.95+0.76%672,500
2026-07-08669.11670.35661.43662.88-1.97%746,800
2026-07-07663.18677.92659.02676.23+4.07%918,700
2026-07-06657.96657.96637.72649.81-0.68%714,300
2026-07-02630.52654.94625.70654.27+4.73%1,071,600
2026-07-01629.90632.85623.89624.72+0.19%1,170,600
2026-06-30630.95634.06622.29623.54-1.31%820,900
2026-06-29635.99638.30626.86631.81-0.17%734,400
2026-06-26623.64638.76623.44632.90+2.06%1,213,600
2026-06-25623.16634.31619.70620.14-0.53%696,800
2026-06-24621.63631.18619.27623.43+0.87%839,900
2026-06-23607.92621.79607.92618.03+0.90%1,279,700
2026-06-22604.46613.56594.90612.50+0.42%1,604,300
2026-06-18612.07616.24598.19609.94+0.33%2,609,100
2026-06-17615.16620.00602.13607.93-1.11%1,299,500
2026-06-16615.18617.60608.21614.73-0.04%1,007,500
2026-06-15613.35615.95608.59614.98+0.46%815,900
2026-06-12613.11616.55605.01612.14+0.11%717,700
2026-06-11604.31618.10603.57611.48+1.63%943,100
2026-06-10619.07619.26601.22601.65-2.36%816,100
2026-06-09624.17628.90610.95616.18+0.79%1,190,600
2026-06-08638.04638.95608.98611.34-3.79%1,259,200
2026-06-05632.26640.82632.09635.45+1.07%975,800
2026-06-04628.07633.89621.11628.73+1.58%974,700
2026-06-03600.79625.00599.00618.95+2.66%986,700
2026-06-02596.52604.63591.52602.92+0.38%1,066,700
2026-06-01607.54614.00598.80600.66-2.30%1,079,900
2026-05-29620.11624.47609.77614.78-1.08%2,187,500
2026-05-28630.15631.73620.35621.52-0.99%1,234,400
2026-05-27634.80638.06625.00627.74-1.08%1,913,500
2026-05-26642.45648.50632.68634.62-0.67%889,800
2026-05-22639.24644.12632.72638.88-0.58%994,900
2026-05-21645.00650.32639.81642.59-1.10%1,178,500
2026-05-20634.32651.00633.60649.76+3.09%1,165,600
2026-05-19630.49639.99616.02630.30+0.10%1,445,100
2026-05-18615.93633.00610.60629.68-9.82%2,996,600
2026-05-15712.69717.89693.70698.25-2.05%728,000
2026-05-14719.00722.51710.06712.87-0.97%767,200
2026-05-13721.29730.59709.51719.88-0.49%879,300
2026-05-12716.39725.60710.02723.41+1.49%824,300
2026-05-11714.99727.39701.99712.77-0.30%1,227,200
2026-05-08709.29717.99708.36714.89+0.82%589,000
2026-05-07718.50725.31707.43709.10-1.66%774,600
2026-05-06703.33726.16702.50721.05+2.67%739,900
2026-05-05710.73715.62699.23702.27-0.98%642,700
2026-05-04702.56711.55699.75709.21+1.11%554,100
2026-05-01703.02714.48700.26701.42-0.80%729,100
2026-04-30693.08708.44688.95707.06+3.02%1,096,500
2026-04-29705.11708.80668.85686.36-6.21%1,835,000
2026-04-28751.37754.00730.90731.77-1.70%569,000
2026-04-27745.47756.40743.61744.44-0.95%603,200
2026-04-24760.00761.96736.71751.57-1.89%809,500
2026-04-23750.99767.21747.26766.02+2.60%928,700
2026-04-22751.48755.78740.47746.58-0.10%901,900
2026-04-21746.20751.54734.12747.36-0.27%707,400
2026-04-20750.00755.59744.00749.41-0.15%493,800
2026-04-17754.74758.61746.91750.57+0.61%513,000
2026-04-16749.56756.00742.69746.00-1.05%505,000
2026-04-15758.67760.58739.12753.93-0.21%571,100
2026-04-14744.97757.68743.71755.51+1.21%637,800
2026-04-13747.74756.90737.34746.46-0.32%747,000
2026-04-10771.48771.48739.09748.87-2.47%751,300
2026-04-09764.15772.45761.50767.85-0.99%596,700
2026-04-08765.26775.63755.99775.53+2.01%580,400
2026-04-07758.40761.91747.76760.27-0.36%620,900
2026-04-06766.83768.80758.49763.04+0.16%460,400
2026-04-02767.04770.11745.00761.85-1.98%1,000,600
2026-04-01775.00781.21769.97777.25+0.60%627,400
2026-03-31757.47774.26755.80772.64+3.12%642,600
2026-03-30743.83757.68741.47749.29+1.57%630,400
2026-03-27756.65759.47736.64737.71-2.51%492,200
2026-03-26749.40761.73747.77756.73+0.97%488,600
2026-03-25744.67757.98744.02749.47+1.05%553,100
2026-03-24728.51743.17727.96741.69+0.70%507,900
2026-03-23745.00750.00735.00736.53+0.50%535,900
2026-03-20738.17744.85728.64732.87-0.62%1,359,900
2026-03-19744.50750.32727.88737.45-0.90%628,300
2026-03-18751.22757.60734.56744.12-1.97%672,500
2026-03-17763.53771.23755.64759.05+0.28%437,000
2026-03-16750.00763.30747.01756.91+1.49%396,200
2026-03-13754.55758.98741.89745.77-0.11%438,297
2026-03-12764.06766.00744.00746.61-3.62%630,400
2026-03-11769.17783.12765.00774.66+0.34%405,200
2026-03-10781.67788.69771.34772.03-1.22%473,422
2026-03-09759.86783.70754.91781.60+2.86%697,070
2026-03-06755.01762.40746.66759.86-0.66%561,900
2026-03-05780.00781.99760.01764.93-2.87%657,500
2026-03-04767.05791.60764.24787.50+2.72%641,400
2026-03-03781.01794.77764.49766.66-3.05%637,200
2026-03-02771.10793.16769.63790.81+1.17%793,100
2026-02-27760.91786.68760.91781.67+1.41%726,400
2026-02-26784.28784.50753.79770.79-1.72%772,700
2026-02-25774.13791.11771.43784.28+1.57%750,900
2026-02-24780.47792.67768.75772.19-1.89%628,700
2026-02-23777.58792.16777.58787.04+0.95%510,500
2026-02-20775.00781.46770.00779.67-0.35%615,100
2026-02-19790.00790.00773.31782.38-1.23%504,800
2026-02-18793.53797.00786.79792.16-0.17%675,900
2026-02-17803.48815.00783.62793.53-1.20%747,100
2026-02-13788.92806.18785.00803.17+2.49%974,700
2026-02-12784.80796.72774.72783.65+0.60%814,300
2026-02-11750.85781.42745.07778.97+3.19%1,123,600
2026-02-10779.73781.40753.10754.91-3.25%792,600
2026-02-09783.17790.00775.50780.28-0.67%586,800
2026-02-06769.63786.99764.78785.51+2.46%671,400
2026-02-05777.83790.00760.00766.63-1.09%976,500
2026-02-04765.80779.78765.21775.06+2.09%952,000
2026-02-03745.53773.72742.74759.18+0.55%768,700
2026-02-02732.92763.56731.51755.02+1.83%693,000
2026-01-30753.96774.37735.61741.45-1.07%1,317,500
2026-01-29755.73755.73742.80749.44-0.22%925,800
2026-01-28765.15766.99747.57751.13-2.61%827,900
2026-01-27762.47776.25761.50771.25+1.13%645,800
2026-01-26750.09767.30750.09762.65+1.21%934,200
2026-01-23757.31762.00747.30753.55-0.26%721,000
2026-01-22750.34765.00747.37755.51+0.82%765,400
2026-01-21736.71750.00735.00749.33+2.12%788,400
2026-01-20729.40737.87718.38733.78+0.10%789,100
2026-01-16749.09749.09726.43733.04-1.20%1,682,400
2026-01-15754.85756.50737.00741.92-1.62%865,600
2026-01-14760.58766.64753.01754.14-0.63%668,900
2026-01-13765.16765.99743.94758.91-1.18%946,500
2026-01-12810.00811.09765.08768.00-3.58%1,321,100
2026-01-09802.97821.11790.88796.55-0.56%711,500
2026-01-08805.81816.99800.68801.01-1.39%1,049,300
2026-01-07786.18814.10780.10812.27+4.60%1,264,700
2026-01-06764.35787.66763.20776.54+1.74%935,000
2026-01-05769.72771.99753.20763.23-1.68%835,700
2026-01-02774.25779.75765.77776.31+0.58%464,800
2025-12-31772.00775.00769.17771.87-0.27%354,800
2025-12-30776.30777.77770.30773.94-0.84%383,200
2025-12-29780.56785.05774.60780.50-0.57%545,100
2025-12-26783.79788.01778.04784.97+0.16%321,000
2025-12-24787.99792.77783.61783.71-0.19%267,200
2025-12-23777.36792.75777.00785.17+0.75%832,000
2025-12-22765.84783.60765.09779.36+1.48%818,000
2025-12-19753.72773.85748.18767.96+2.57%2,335,900
2025-12-18747.54752.84739.23748.71-0.14%1,057,600
2025-12-17746.55751.99743.33749.79+0.46%765,900
2025-12-16752.57757.35734.72746.36-0.83%713,200
2025-12-15748.85756.67746.38752.62+1.53%932,800
2025-12-12741.59746.05734.38741.29-0.74%804,800
2025-12-11726.08753.61726.08746.80+2.84%1,153,900
2025-12-10695.06728.00692.50726.21+4.86%1,316,500
2025-12-09705.11711.15691.86692.58-1.52%604,400
2025-12-08723.69724.13701.75703.26-2.10%1,005,900
2025-12-05723.00736.15717.26718.36-0.61%798,300
2025-12-04732.45735.00721.22722.80-0.12%1,067,100
2025-12-03730.36744.23720.07723.67-2.47%1,238,500
2025-12-02742.12747.00731.00742.00-1.08%924,600
2025-12-01775.60779.92748.15750.11-3.86%992,000
2025-11-28784.70788.98779.50780.19-0.56%510,400
2025-11-26785.72790.98777.00784.61-0.34%871,700
2025-11-25764.88790.57760.01787.32+3.40%1,200,400
2025-11-24759.05773.13756.64761.45+0.73%1,554,900
2025-11-21736.01764.09735.74755.90+2.56%1,427,700
2025-11-20725.00753.51720.02737.00+4.87%2,296,800
2025-11-19727.81727.81702.63702.75-3.11%1,383,600
2025-11-18702.51727.97699.22725.34+2.99%1,368,700
2025-11-17693.34711.88692.29704.31+1.56%1,132,900
2025-11-14697.19699.27685.95693.50-0.21%907,000
2025-11-13683.00713.58679.93694.99+1.95%1,505,300
2025-11-12678.89690.78672.67681.72+1.06%1,208,300

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jul (+7.37%). Worst month: May (-7.40%). Based on 5 years of daily data (2022–2026).

FAQ · from the current price data · as of 2026-11-10

Quick answers

What is Regeneron Pharmaceuticals Inc's (REGN) latest close?

916.06 on 2026-11-10, from the Closelook data lake's daily price record.

What is REGN's 52-week high and low?

991.73 high and 591.52 low over the trailing 52 weeks, as of 2026-11-10.

What is Regeneron Pharmaceuticals Inc's strongest and weakest month historically?

Historically, REGN's strongest calendar month has been Jul (average +7.37%) and its weakest May (average -7.40%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 1031 daily bars in the Closelook data lake.

What is Regeneron Pharmaceuticals Inc's Closelooknet score?

64 out of 100 (momentum 84 · quality 72 · valuation 45), as of 2026-11-11. Scores are Closelooknet's own research readings, not ratings or investment advice.

What is the current Closelooknet signal on REGN?

Trending: Above its 20-, 50- and 200-day — still in an uptrend. As of 2026-11-09. A research diary reading, not advice.

Is REGN above its 50-day and 200-day moving averages?

Regeneron Pharmaceuticals Inc trades 14.0% above its 50-day and 23.8% above its 200-day moving average (8.8% above its 20-day). As of 2026-11-09.