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Regeneron Pharmaceuticals, Inc. (REGN)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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981.20+16.31 (+1.69%)
At close: 04:00PM EST
978.67 -2.53 (-0.26%)
After hours: 06:45PM EST
In the money
Show:ListStraddle
Callsfor19 December 2025
Contract nameLast trade dateStrikeLast priceBidAskChange% changeVolumeOpen interestImplied volatility
REGN251219C003700002023-07-05 9:27AM EST370.00400.32446.50456.000.00--10.00%
REGN251219C004400002023-03-20 2:59PM EST440.00381.50428.00437.000.00--10.00%
REGN251219C004500002023-12-01 11:41AM EST450.00413.75468.00476.000.00-120.00%
REGN251219C005000002023-03-16 1:18PM EST500.00326.00399.00408.000.00--10.00%
REGN251219C005100002023-03-16 1:18PM EST510.00319.00391.00400.000.00--10.00%
REGN251219C005500002023-07-05 1:23PM EST550.00270.30303.80310.000.00--20.00%
REGN251219C005900002023-09-01 11:29AM EST590.00338.70319.00329.000.00-110.00%
REGN251219C006000002023-07-05 1:22PM EST600.00236.80268.00275.000.00--30.00%
REGN251219C006100002023-12-26 1:28PM EST610.00312.52392.00402.000.00--535.44%
REGN251219C006200002023-09-27 11:02AM EST620.00312.30257.10266.000.00-1020.00%
REGN251219C006500002024-01-12 12:32PM EST650.00351.75373.00383.000.00--139.18%
REGN251219C006600002023-07-13 8:36AM EST660.00199.64262.20269.000.00--100.00%
REGN251219C006700002023-06-28 8:33AM EST670.00174.00199.10208.500.00--20.00%
REGN251219C006800002023-06-28 8:33AM EST680.00168.20193.10202.900.00--20.00%
REGN251219C007000002023-12-28 11:37AM EST700.00279.07322.00331.000.00-2833.78%
REGN251219C007200002023-11-30 10:34AM EST720.00215.00254.00263.800.00-13813.17%
REGN251219C007300002023-12-12 12:25PM EST730.00241.00294.60304.000.00-3831.92%
REGN251219C007500002023-08-08 2:58PM EST750.00191.40220.60225.400.00-880.00%
REGN251219C007700002023-09-07 10:52AM EST770.00210.55216.10222.700.00--115.62%
REGN251219C007800002023-06-16 9:03AM EST780.00182.50125.00132.800.00-110.00%
REGN251219C008000002024-01-12 2:23PM EST800.00251.00263.30273.000.00-1135.23%
REGN251219C008200002023-08-17 2:52PM EST820.00169.00172.00182.000.00--115.61%
REGN251219C008300002023-09-07 2:33PM EST830.00178.20184.70190.500.00-11819.89%
REGN251219C008400002023-12-13 10:11AM EST840.00181.00220.00229.000.00-10130.37%
REGN251219C008500002024-02-05 11:02AM EST850.00217.90252.00262.000.00-101038.84%
REGN251219C008600002023-11-02 11:06AM EST860.00157.60127.50133.200.00-102010.34%
REGN251219C008700002024-02-05 11:02AM EST870.00206.00240.00249.000.00-101138.18%
REGN251219C008800002023-12-12 3:02PM EST880.00154.03196.10204.000.00-1129.71%
REGN251219C009000002024-01-25 12:44PM EST900.00198.59221.00230.000.00-51237.21%
REGN251219C009100002023-08-14 2:31PM EST910.00131.38134.00142.800.00-1220.33%
REGN251219C009200002023-08-21 2:42PM EST920.00146.30135.30142.700.00-6121.42%
REGN251219C009400002023-11-13 2:02PM EST940.0097.84127.00132.700.00-61121.48%
REGN251219C010000002024-02-13 9:30AM EST1,000.00146.17163.00171.900.00-1534.22%
REGN251219C010200002024-02-20 1:05PM EST1,020.00137.34153.00162.000.00-121233.80%
REGN251219C010400002024-02-23 3:17PM EST1,040.00143.67143.00152.00+13.38+10.27%1333.30%
REGN251219C010600002024-02-23 3:12PM EST1,060.00134.78134.10143.00+13.58+11.20%1332.94%
REGN251219C010800002024-02-21 1:05PM EST1,080.00111.25125.00134.000.00-1532.52%
REGN251219C011000002024-02-21 12:28PM EST1,100.00118.50117.00126.00+14.17+13.58%11432.23%
REGN251219C011200002024-02-07 1:42PM EST1,120.0097.12109.00118.000.00-1731.88%
REGN251219C011400002024-02-07 1:59PM EST1,140.0088.95102.00111.000.00-2831.66%
REGN251219C011600002024-02-07 9:30AM EST1,160.0079.4395.00104.000.00-1831.39%
REGN251219C011800002023-08-21 12:44PM EST1,180.0064.5055.7064.700.00-151724.66%
REGN251219C012000002024-02-12 10:09AM EST1,200.0075.0082.0091.000.00-104630.87%
REGN251219C012200002023-04-05 11:19AM EST1,220.0060.6034.5042.000.00--121.62%
REGN251219C012400002024-01-30 12:46PM EST1,240.0062.7071.0080.000.00-1530.53%
Putsfor19 December 2025
Contract nameLast trade dateStrikeLast priceBidAskChange% changeVolumeOpen interestImplied volatility
REGN251219P003600002024-02-12 11:41AM EST360.005.070.009.600.00-2547.82%
REGN251219P003700002024-02-14 3:02PM EST370.003.030.009.600.00-1846.64%
REGN251219P003800002024-02-14 3:02PM EST380.003.181.5010.000.00-1645.91%
REGN251219P003900002024-02-23 11:14AM EST390.004.730.009.600.00-1244.37%
REGN251219P004000002024-01-25 9:30AM EST400.004.051.8510.000.00-2143.68%
REGN251219P004100002023-07-07 2:39PM EST410.0016.008.6016.900.00-1248.42%
REGN251219P004200002023-06-27 2:56PM EST420.0015.009.5018.500.00--148.41%
REGN251219P004300002024-02-08 3:29PM EST430.005.421.0010.000.00-1640.55%
REGN251219P004400002024-01-30 1:05PM EST440.005.000.009.600.00-1339.19%
REGN251219P004500002023-09-18 2:33PM EST450.0010.506.0016.000.00--1843.30%
REGN251219P004700002024-01-02 12:38PM EST470.006.881.0011.000.00--137.54%
REGN251219P004800002024-02-05 9:30AM EST480.006.150.0510.000.00-11335.81%
REGN251219P004900002024-01-02 12:38PM EST490.007.872.0012.000.00-1336.48%
REGN251219P005000002023-11-01 11:57AM EST500.0019.4010.0012.500.00-181835.93%
REGN251219P005100002024-01-08 2:16PM EST510.006.703.0012.900.00--335.32%
REGN251219P005200002024-01-25 9:30AM EST520.008.132.0011.900.00-2533.75%
REGN251219P005300002024-02-15 1:21PM EST530.009.202.0012.000.00-101032.97%
REGN251219P005500002023-11-06 9:52AM EST550.0020.4015.0019.800.00--135.88%
REGN251219P005600002023-11-13 12:47PM EST560.0025.259.5017.300.00-26833.65%
REGN251219P005800002024-02-08 11:01AM EST580.0015.066.0016.000.00-2331.25%
REGN251219P006000002024-02-08 11:00AM EST600.0017.008.0018.000.00-812430.66%
REGN251219P006200002024-02-23 11:38AM EST620.0014.4810.0019.80-4.89-25.25%14329.90%
REGN251219P006300002024-02-08 11:26AM EST630.0020.7211.0020.900.00--729.59%
REGN251219P006400002024-02-23 3:48PM EST640.0017.5012.1021.90-12.90-42.43%1129.22%
REGN251219P006500002023-06-30 12:22PM EST650.0070.2053.0061.000.00-2242.16%
REGN251219P006600002024-01-31 10:27AM EST660.0022.3014.0024.000.00-21228.48%
REGN251219P006700002024-02-06 11:34AM EST670.0026.8016.0025.000.00-11628.07%
REGN251219P006800002024-02-08 1:57PM EST680.0027.5017.0027.000.00-11928.02%
REGN251219P006900002024-02-01 2:24PM EST690.0027.7019.1028.000.00-11027.58%
REGN251219P007000002024-02-08 3:28PM EST700.0030.5020.2030.000.00-1518627.48%
REGN251219P007100002023-12-13 10:41AM EST710.0039.6431.8040.000.00-101529.92%
REGN251219P007200002024-02-08 3:28PM EST720.0034.3323.0033.000.00-103726.86%
REGN251219P007300002024-02-01 12:42PM EST730.0037.1025.0035.000.00-153526.69%
REGN251219P007400002024-02-22 2:43PM EST740.0034.0027.0037.000.00-113726.48%
REGN251219P007500002023-12-29 1:40PM EST750.0049.4234.1042.700.00-24327.33%
REGN251219P007600002023-08-07 9:33AM EST760.0091.1674.0083.100.00-105037.15%
REGN251219P007700002023-12-18 2:58PM EST770.0061.7043.7052.800.00-16128.40%
REGN251219P007800002023-04-05 8:51AM EST780.0093.74111.50121.000.00--1044.30%
REGN251219P007900002024-01-17 12:47PM EST790.0051.7044.0053.800.00-44626.91%
REGN251219P008000002023-10-12 2:03PM EST800.0088.0789.0098.000.00-12136.72%
REGN251219P008100002023-07-25 1:15PM EST810.00128.3089.1097.900.00--2435.68%
REGN251219P008200002023-07-25 1:15PM EST820.00134.0093.00102.400.00--1235.70%
REGN251219P008300002023-12-04 10:27AM EST830.0096.9060.3068.800.00--127.01%
REGN251219P008600002023-09-18 1:13PM EST860.00111.80114.50122.600.00-1036.02%
REGN251219P008700002023-09-18 1:13PM EST870.00116.70119.00127.400.00-2135.99%
REGN251219P008900002023-03-29 9:00AM EST890.00144.40149.00158.000.00--5140.27%
REGN251219P009000002023-03-29 9:39AM EST900.00150.60154.70164.000.00--4440.39%
REGN251219P009100002024-02-05 1:29PM EST910.0091.3570.0080.000.00-101022.09%
REGN251219P009200002024-02-06 11:33AM EST920.0096.2074.1083.000.00--221.75%
REGN251219P009300002024-01-11 1:57PM EST930.00107.0088.0098.000.00--123.79%
REGN251219P009400002024-02-06 10:40AM EST940.00103.3081.0090.000.00--121.22%
REGN251219P011000002023-11-09 11:56AM EST1,100.00296.50257.30265.600.00--036.20%
REGN251219P011200002023-11-08 12:29PM EST1,120.00305.30276.00285.000.00--037.26%
REGN251219P011400002023-11-09 1:07PM EST1,140.00341.50295.00305.000.00--038.38%
REGN251219P011800002023-11-08 12:24PM EST1,180.00364.60335.00345.000.00--040.51%
REGN251219P012000002023-11-08 9:53AM EST1,200.00378.00355.00365.000.00--041.52%