REGN: Regeneron Pharmaceuticals Inc.

As of Friday, May 22nd, 2026

$ 638.88

-3.71 -0.58%

Open: 639.24
High: 644.12
Low: 632.72
Volume: 994,824
Previous Close on Thursday, May 21st, 2026

$ 642.59

-7.17 -1.10%

Open: 645.00
High: 650.32
Low: 639.81
Volume: 1,174,500

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-05-22 639.24 644.12 632.72 638.88 994,824 -3.71 -0.58
2026-05-21 645.00 650.32 639.81 642.59 1,174,500 -7.17 -1.10
2026-05-20 634.32 651.00 633.60 649.76 1,133,450 +19.46 +3.09
2026-05-19 630.49 639.99 616.02 630.30 1,445,065 +0.62 +0.10
2026-05-18 615.93 633.00 610.60 629.68 2,992,701 -68.57 -9.82
2026-05-15 712.69 717.89 693.70 698.25 689,322 -14.62 -2.05
2026-05-14 719.00 722.51 710.06 712.87 722,275 -7.01 -0.97
2026-05-13 721.29 730.59 709.51 719.88 754,625 -3.53 -0.49
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 651.00
On 2026-05-20		 610.60
On 2026-05-18		 -59.37 -8.50 651.00
On 2026-05-20		 632.72
On 2026-05-22		 -2.81 638.24
10D 730.59
On 2026-05-13		 610.60
On 2026-05-18		 -76.01 -10.63 730.59
On 2026-05-13		 610.60
On 2026-05-18		 -16.42 675.84
20D 756.40
On 2026-04-27		 610.60
On 2026-05-18		 -112.69 -14.99 756.40
On 2026-04-27		 610.60
On 2026-05-18		 -19.28 694.30
WTD 651.00
On 2026-05-20		 610.60
On 2026-05-18		 -59.37 -8.50 651.00
On 2026-05-20		 632.72
On 2026-05-22		 -2.81 638.24
MTD 730.59
On 2026-05-13		 610.60
On 2026-05-18		 -68.18 -9.64 730.59
On 2026-05-13		 610.60
On 2026-05-18		 -16.42 688.52
As of Friday, May 22nd, 2026
 
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REGN

Regeneron Pharmaceuticals Inc.

638.88 -3.71 -0.58 994,824