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Regeneron Pharmaceuticals, Inc. (REGN)
NasdaqGS - NasdaqGS Real-time price. Currency in USD
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At close: 04:00PM EDT
After hours:
Callsfor19 December 2025
| Contract name | Last trade date | Strike | Last price | Bid | Ask | Change | % change | Volume | Open interest | Implied volatility |
|---|---|---|---|---|---|---|---|---|---|---|
| REGN251219C00370000 | 2023-07-05 10:27AM EDT | 370.00 | 400.32 | 446.50 | 456.00 | 0.00 | - | - | 1 | 0.00% |
| REGN251219C00440000 | 2023-03-20 3:59PM EDT | 440.00 | 381.50 | 428.00 | 437.00 | 0.00 | - | - | 1 | 0.00% |
| REGN251219C00450000 | 2023-12-01 12:41PM EDT | 450.00 | 413.75 | 468.00 | 476.00 | 0.00 | - | 1 | 2 | 54.89% |
| REGN251219C00500000 | 2023-03-16 2:18PM EDT | 500.00 | 326.00 | 399.00 | 408.00 | 0.00 | - | - | 1 | 41.15% |
| REGN251219C00510000 | 2023-03-16 2:18PM EDT | 510.00 | 319.00 | 391.00 | 400.00 | 0.00 | - | - | 1 | 41.08% |
| REGN251219C00550000 | 2023-07-05 2:23PM EDT | 550.00 | 270.30 | 303.80 | 310.00 | 0.00 | - | - | 2 | 0.00% |
| REGN251219C00590000 | 2024-04-02 1:33PM EDT | 590.00 | 426.40 | 355.00 | 364.00 | 0.00 | - | 1 | 0 | 49.32% |
| REGN251219C00600000 | 2024-04-18 9:30AM EDT | 600.00 | 371.10 | 347.00 | 356.00 | 0.00 | - | 2 | 5 | 48.71% |
| REGN251219C00610000 | 2024-04-02 1:33PM EDT | 610.00 | 410.55 | 339.00 | 348.00 | 0.00 | - | 1 | 5 | 48.09% |
| REGN251219C00620000 | 2024-04-18 9:30AM EDT | 620.00 | 355.30 | 331.00 | 341.00 | 0.00 | - | 10 | 6 | 47.79% |
| REGN251219C00640000 | 2024-04-18 9:30AM EDT | 640.00 | 339.80 | 315.00 | 325.00 | 0.00 | - | - | 2 | 46.52% |
| REGN251219C00650000 | 2024-01-12 1:32PM EDT | 650.00 | 351.75 | 373.00 | 383.00 | 0.00 | - | - | 1 | 64.29% |
| REGN251219C00660000 | 2023-07-13 9:36AM EDT | 660.00 | 199.64 | 262.20 | 269.00 | 0.00 | - | - | 10 | 32.67% |
| REGN251219C00670000 | 2023-06-28 9:33AM EDT | 670.00 | 174.00 | 199.10 | 208.50 | 0.00 | - | - | 2 | 0.00% |
| REGN251219C00680000 | 2023-06-28 9:33AM EDT | 680.00 | 168.20 | 193.10 | 202.90 | 0.00 | - | - | 2 | 0.00% |
| REGN251219C00700000 | 2023-12-28 12:37PM EDT | 700.00 | 279.07 | 322.00 | 331.00 | 0.00 | - | 2 | 8 | 56.39% |
| REGN251219C00720000 | 2023-11-30 11:34AM EDT | 720.00 | 215.00 | 254.00 | 263.80 | 0.00 | - | 1 | 38 | 41.96% |
| REGN251219C00730000 | 2023-12-12 1:25PM EDT | 730.00 | 241.00 | 294.60 | 304.00 | 0.00 | - | 3 | 8 | 52.89% |
| REGN251219C00750000 | 2023-08-08 3:58PM EDT | 750.00 | 191.40 | 220.60 | 225.40 | 0.00 | - | 8 | 8 | 36.07% |
| REGN251219C00770000 | 2023-09-07 11:52AM EDT | 770.00 | 210.55 | 216.10 | 222.70 | 0.00 | - | - | 1 | 38.11% |
| REGN251219C00780000 | 2023-06-16 10:03AM EDT | 780.00 | 182.50 | 125.00 | 132.80 | 0.00 | - | 1 | 1 | 16.28% |
| REGN251219C00800000 | 2024-04-12 1:17PM EDT | 800.00 | 221.50 | 202.00 | 211.00 | 0.00 | - | 1 | 1 | 38.91% |
| REGN251219C00820000 | 2023-08-17 3:52PM EDT | 820.00 | 169.00 | 172.00 | 182.00 | 0.00 | - | - | 1 | 34.23% |
| REGN251219C00830000 | 2023-09-07 3:33PM EDT | 830.00 | 178.20 | 184.70 | 190.50 | 0.00 | - | 11 | 8 | 37.35% |
| REGN251219C00840000 | 2023-12-13 11:11AM EDT | 840.00 | 181.00 | 220.00 | 229.00 | 0.00 | - | 10 | 1 | 47.51% |
| REGN251219C00850000 | 2024-04-09 2:47PM EDT | 850.00 | 220.81 | 172.00 | 181.00 | 0.00 | - | 10 | 20 | 37.22% |
| REGN251219C00860000 | 2023-11-02 12:06PM EDT | 860.00 | 157.60 | 127.50 | 133.20 | 0.00 | - | 10 | 20 | 27.25% |
| REGN251219C00870000 | 2024-04-09 2:47PM EDT | 870.00 | 207.98 | 161.00 | 170.00 | 0.00 | - | 10 | 11 | 36.66% |
| REGN251219C00880000 | 2023-12-12 4:02PM EDT | 880.00 | 154.03 | 196.10 | 204.00 | 0.00 | - | 1 | 1 | 45.40% |
| REGN251219C00900000 | 2024-03-06 12:25PM EDT | 900.00 | 216.00 | 187.00 | 197.00 | 0.00 | - | 1 | 11 | 45.53% |
| REGN251219C00910000 | 2023-08-14 3:31PM EDT | 910.00 | 131.38 | 134.00 | 142.80 | 0.00 | - | 1 | 2 | 34.16% |
| REGN251219C00920000 | 2023-08-21 3:42PM EDT | 920.00 | 146.30 | 135.30 | 142.70 | 0.00 | - | 6 | 1 | 34.99% |
| REGN251219C00940000 | 2023-11-13 3:02PM EDT | 940.00 | 97.84 | 127.00 | 132.70 | 0.00 | - | 6 | 11 | 34.40% |
| REGN251219C00990000 | 2024-04-19 1:09PM EDT | 990.00 | 118.00 | 103.40 | 112.00 | 0.00 | - | 1 | 1 | 33.55% |
| REGN251219C01000000 | 2024-03-18 11:55AM EDT | 1,000.00 | 156.01 | 113.00 | 120.00 | 0.00 | - | 2 | 19 | 36.00% |
| REGN251219C01020000 | 2024-03-18 12:37PM EDT | 1,020.00 | 145.28 | 105.90 | 112.00 | 0.00 | - | 3 | 40 | 35.57% |
| REGN251219C01040000 | 2024-03-18 12:39PM EDT | 1,040.00 | 135.83 | 95.50 | 103.90 | 0.00 | - | 9 | 13 | 35.04% |
| REGN251219C01060000 | 2024-03-14 1:37PM EDT | 1,060.00 | 123.98 | 90.00 | 98.90 | 0.00 | - | 1 | 15 | 35.13% |
| REGN251219C01080000 | 2024-03-05 1:31PM EDT | 1,080.00 | 118.64 | 99.10 | 107.80 | 0.00 | - | 2 | 7 | 38.29% |
| REGN251219C01100000 | 2024-03-05 1:22PM EDT | 1,100.00 | 111.01 | 92.00 | 101.00 | 0.00 | - | 2 | 14 | 37.89% |
| REGN251219C01120000 | 2024-03-05 12:39PM EDT | 1,120.00 | 104.91 | 84.00 | 94.00 | 0.00 | - | 1 | 7 | 37.38% |
| REGN251219C01140000 | 2024-04-12 10:55AM EDT | 1,140.00 | 70.00 | 55.30 | 64.00 | 0.00 | - | 1 | 9 | 31.38% |
| REGN251219C01160000 | 2024-02-07 10:30AM EDT | 1,160.00 | 79.43 | 0.00 | 0.00 | 0.00 | - | 1 | 8 | 3.13% |
| REGN251219C01180000 | 2023-08-21 1:44PM EDT | 1,180.00 | 64.50 | 55.70 | 64.70 | 0.00 | - | 15 | 17 | 33.44% |
| REGN251219C01200000 | 2024-04-08 1:20PM EDT | 1,200.00 | 65.50 | 42.00 | 47.90 | 0.00 | - | 4 | 46 | 30.07% |
| REGN251219C01220000 | 2024-03-04 10:45AM EDT | 1,220.00 | 79.25 | 63.00 | 70.60 | 0.00 | - | 1 | 0 | 36.68% |
| REGN251219C01240000 | 2024-03-07 4:29PM EDT | 1,240.00 | 71.00 | 55.10 | 63.00 | 0.00 | - | 1 | 5 | 35.65% |
Putsfor19 December 2025
| Contract name | Last trade date | Strike | Last price | Bid | Ask | Change | % change | Volume | Open interest | Implied volatility |
|---|---|---|---|---|---|---|---|---|---|---|
| REGN251219P00360000 | 2024-04-08 3:34PM EDT | 360.00 | 9.60 | 0.00 | 9.60 | 0.00 | - | 1 | 6 | 46.59% |
| REGN251219P00370000 | 2024-03-14 11:07AM EDT | 370.00 | 2.70 | 0.00 | 9.60 | 0.00 | - | 1 | 8 | 45.32% |
| REGN251219P00380000 | 2024-02-14 4:02PM EDT | 380.00 | 3.18 | 0.00 | 9.60 | 0.00 | - | 1 | 6 | 44.10% |
| REGN251219P00390000 | 2024-02-23 12:14PM EDT | 390.00 | 4.73 | 0.05 | 10.00 | 0.00 | - | 1 | 1 | 43.31% |
| REGN251219P00400000 | 2024-01-25 10:30AM EDT | 400.00 | 4.05 | 1.85 | 10.00 | 0.00 | - | 2 | 1 | 42.14% |
| REGN251219P00410000 | 2023-07-07 3:39PM EDT | 410.00 | 16.00 | 8.60 | 16.90 | 0.00 | - | 1 | 2 | 46.87% |
| REGN251219P00420000 | 2024-03-06 4:48PM EDT | 420.00 | 3.00 | 0.00 | 10.00 | 0.00 | - | 10 | 11 | 39.88% |
| REGN251219P00430000 | 2024-04-02 3:53PM EDT | 430.00 | 5.40 | 1.20 | 10.00 | 0.00 | - | 8 | 6 | 38.80% |
| REGN251219P00440000 | 2024-04-01 9:30AM EDT | 440.00 | 4.00 | 1.00 | 11.00 | 0.00 | - | 1 | 2 | 38.62% |
| REGN251219P00450000 | 2023-09-18 3:33PM EDT | 450.00 | 10.50 | 6.00 | 16.00 | 0.00 | - | - | 18 | 41.42% |
| REGN251219P00470000 | 2024-01-02 1:38PM EDT | 470.00 | 6.88 | 1.00 | 11.00 | 0.00 | - | - | 1 | 35.51% |
| REGN251219P00480000 | 2024-03-12 2:55PM EDT | 480.00 | 7.19 | 2.00 | 12.00 | 0.00 | - | 10 | 13 | 35.29% |
| REGN251219P00490000 | 2024-01-02 1:38PM EDT | 490.00 | 7.87 | 2.00 | 12.00 | 0.00 | - | 1 | 3 | 34.30% |
| REGN251219P00500000 | 2023-11-01 12:57PM EDT | 500.00 | 19.40 | 10.00 | 12.50 | 0.00 | - | 18 | 18 | 33.69% |
| REGN251219P00510000 | 2024-01-08 3:16PM EDT | 510.00 | 6.70 | 3.00 | 12.90 | 0.00 | - | - | 3 | 33.00% |
| REGN251219P00520000 | 2024-01-25 10:30AM EDT | 520.00 | 8.13 | 2.00 | 11.90 | 0.00 | - | 2 | 5 | 31.37% |
| REGN251219P00530000 | 2024-02-15 2:21PM EDT | 530.00 | 9.20 | 4.00 | 13.00 | 0.00 | - | 1 | 10 | 31.19% |
| REGN251219P00550000 | 2023-11-06 10:52AM EDT | 550.00 | 20.40 | 15.00 | 19.80 | 0.00 | - | - | 1 | 33.25% |
| REGN251219P00560000 | 2023-11-13 1:47PM EDT | 560.00 | 25.25 | 9.50 | 17.30 | 0.00 | - | 2 | 68 | 30.95% |
| REGN251219P00580000 | 2024-02-08 12:01PM EDT | 580.00 | 15.06 | 7.10 | 17.00 | 0.00 | - | 2 | 3 | 28.95% |
| REGN251219P00600000 | 2024-03-25 9:42AM EDT | 600.00 | 11.30 | 0.00 | 0.00 | 0.00 | - | 2 | 126 | 6.25% |
| REGN251219P00620000 | 2024-02-23 12:38PM EDT | 620.00 | 14.48 | 10.00 | 18.90 | 0.00 | - | 1 | 43 | 26.32% |
| REGN251219P00630000 | 2024-04-22 1:54PM EDT | 630.00 | 21.40 | 18.10 | 28.00 | 0.00 | - | 7 | 14 | 29.29% |
| REGN251219P00640000 | 2024-02-23 4:48PM EDT | 640.00 | 17.50 | 12.00 | 20.90 | 0.00 | - | 1 | 0 | 25.45% |
| REGN251219P00650000 | 2023-06-30 1:22PM EDT | 650.00 | 70.20 | 53.00 | 61.00 | 0.00 | - | 2 | 2 | 38.75% |
| REGN251219P00660000 | 2024-01-31 11:27AM EDT | 660.00 | 22.30 | 0.00 | 0.00 | 0.00 | - | 2 | 12 | 3.13% |
| REGN251219P00670000 | 2024-03-28 11:56AM EDT | 670.00 | 22.12 | 26.10 | 33.90 | 0.00 | - | 5 | 16 | 27.67% |
| REGN251219P00680000 | 2024-03-20 9:30AM EDT | 680.00 | 23.50 | 0.00 | 0.00 | 0.00 | - | 2 | 21 | 3.13% |
| REGN251219P00690000 | 2024-03-06 4:51PM EDT | 690.00 | 25.73 | 23.00 | 33.00 | 0.00 | - | 6 | 10 | 25.47% |
| REGN251219P00700000 | 2024-03-06 4:31PM EDT | 700.00 | 26.92 | 25.00 | 34.00 | 0.00 | - | 1 | 185 | 24.87% |
| REGN251219P00710000 | 2023-12-13 11:41AM EDT | 710.00 | 39.64 | 31.80 | 40.00 | 0.00 | - | 10 | 15 | 25.83% |
| REGN251219P00720000 | 2024-03-06 4:42PM EDT | 720.00 | 30.39 | 28.00 | 38.00 | 0.00 | - | 8 | 29 | 24.26% |
| REGN251219P00730000 | 2024-03-28 11:58AM EDT | 730.00 | 31.76 | 37.00 | 47.00 | 0.00 | - | 3 | 16 | 25.97% |
| REGN251219P00740000 | 2024-02-22 3:43PM EDT | 740.00 | 34.00 | 27.00 | 36.00 | 0.00 | - | 1 | 137 | 21.78% |
| REGN251219P00750000 | 2024-02-27 4:21PM EDT | 750.00 | 32.80 | 32.30 | 41.00 | 0.00 | - | 1 | 42 | 22.30% |
| REGN251219P00760000 | 2023-08-07 10:33AM EDT | 760.00 | 91.16 | 74.00 | 83.10 | 0.00 | - | 10 | 50 | 32.57% |
| REGN251219P00770000 | 2024-02-23 4:51PM EDT | 770.00 | 38.00 | 33.60 | 42.00 | 0.00 | - | 1 | 60 | 20.67% |
| REGN251219P00780000 | 2023-04-05 9:51AM EDT | 780.00 | 93.74 | 111.50 | 121.00 | 0.00 | - | - | 10 | 39.79% |
| REGN251219P00790000 | 2024-03-01 11:35AM EDT | 790.00 | 41.43 | 41.30 | 49.00 | 0.00 | - | 5 | 41 | 20.57% |
| REGN251219P00800000 | 2023-10-12 3:03PM EDT | 800.00 | 88.07 | 89.00 | 98.00 | 0.00 | - | 1 | 21 | 31.67% |
| REGN251219P00810000 | 2023-07-25 2:15PM EDT | 810.00 | 128.30 | 89.10 | 97.90 | 0.00 | - | - | 24 | 30.47% |
| REGN251219P00820000 | 2023-07-25 2:15PM EDT | 820.00 | 134.00 | 93.00 | 102.40 | 0.00 | - | - | 12 | 30.36% |
| REGN251219P00830000 | 2023-12-04 11:27AM EDT | 830.00 | 96.90 | 60.30 | 68.80 | 0.00 | - | - | 1 | 21.26% |
| REGN251219P00850000 | 2024-04-12 10:38AM EDT | 850.00 | 74.00 | 74.40 | 82.80 | 0.00 | - | 20 | 40 | 22.26% |
| REGN251219P00860000 | 2023-09-18 2:13PM EDT | 860.00 | 111.80 | 114.50 | 122.60 | 0.00 | - | 1 | 0 | 30.16% |
| REGN251219P00870000 | 2023-09-18 2:13PM EDT | 870.00 | 116.70 | 119.00 | 127.40 | 0.00 | - | 2 | 1 | 29.99% |
| REGN251219P00890000 | 2024-04-23 2:28PM EDT | 890.00 | 86.00 | 91.00 | 100.00 | 0.00 | - | 1 | 51 | 21.32% |
| REGN251219P00900000 | 2024-04-09 2:43PM EDT | 900.00 | 81.60 | 95.10 | 103.80 | 0.00 | - | 1 | 44 | 20.90% |
| REGN251219P00910000 | 2024-02-05 2:29PM EDT | 910.00 | 91.35 | 75.00 | 85.00 | 0.00 | - | 10 | 10 | 15.44% |
| REGN251219P00920000 | 2024-04-26 12:24PM EDT | 920.00 | 108.85 | 105.00 | 114.00 | +14.85 | +15.80% | 1 | 2 | 20.51% |
| REGN251219P00930000 | 2024-02-28 11:42AM EDT | 930.00 | 78.00 | 84.00 | 91.40 | 0.00 | - | 1 | 1 | 14.10% |
| REGN251219P00940000 | 2024-02-06 11:40AM EDT | 940.00 | 103.30 | 85.00 | 92.40 | 0.00 | - | - | 1 | 12.83% |
| REGN251219P01100000 | 2023-11-09 12:56PM EDT | 1,100.00 | 296.50 | 257.30 | 265.60 | 0.00 | - | - | 0 | 25.68% |
| REGN251219P01120000 | 2023-11-08 1:29PM EDT | 1,120.00 | 305.30 | 276.00 | 285.00 | 0.00 | - | - | 0 | 26.53% |
| REGN251219P01140000 | 2023-11-09 2:07PM EDT | 1,140.00 | 341.50 | 295.00 | 305.00 | 0.00 | - | - | 0 | 27.49% |
| REGN251219P01180000 | 2023-11-08 1:24PM EDT | 1,180.00 | 364.60 | 335.00 | 345.00 | 0.00 | - | - | 0 | 29.32% |
| REGN251219P01200000 | 2023-11-08 10:53AM EDT | 1,200.00 | 378.00 | 355.00 | 365.00 | 0.00 | - | - | 0 | 30.20% |
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