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BIIB
Biogen Inc. Common Stock
stock NASDAQ

At Close
Sep 15, 2026 3:59:59 PM EDT
216.28USD-0.497%(-1.08)755,891
215.99Bid   216.18Ask   0.19Spread
Pre-market
Sep 14, 2026 9:28:30 AM EDT
219.00USD+0.755%(+1.64)0
After-hours
Sep 15, 2026 4:37:30 PM EDT
216.17USD-0.051%(-0.11)105
OverviewOption ChainMax PainOption ChainPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Sep 18, 2026Sep 25, 2026Oct 2, 2026Oct 9, 2026Oct 16, 2026Oct 23, 2026Oct 30, 2026Dec 18, 2026Jan 15, 2027Mar 19, 2027Apr 16, 2027Jun 17, 2027Sep 17, 2027Jan 21, 2028

ITM/OTM for Dec 18, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
2,6381,759273,802


BIIB Dec 18, 2026 Exp. - Volume by Strike
Puts
Calls

BIIB Dec 18, 2026 Exp. - Open Interest by Strike

Puts
Calls

BIIB Dec 18, 2026 Exp. - Max Pain @ $180.00

Puts
Calls


BIIB Dec 18, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
350 C0.20-73.33%45308-20BIIB261218C00350000
340 C0.30+100.00%1908-05BIIB261218C00340000
330 C0.45-40.00%51108-05BIIB261218C00330000
320 C1.40-2.10%1106-30BIIB261218C00320000
315 C0.40-52.94%14608-12BIIB261218C00315000
310 C0.70-41.67%121306-23BIIB261218C00310000
305 C0.95-9.52%12508-05BIIB261218C00305000
300 C1.17+17.00%16209-09BIIB261218C00300000
295 C1.50-25.00%31508-05BIIB261218C00295000
290 C1.57+36.52%24909-08BIIB261218C00290000
285 C1.95-19.42%21409-04BIIB261218C00285000
280 C2.55+25.00%21509-14BIIB261218C00280000
275 C3.40-5.56%16108-25BIIB261218C00275000
270 C2.25-47.80%12209-09BIIB261218C00270000
265 C4.24+32.50%15809-04BIIB261218C00265000
260 C5.40+31.71%14409-14BIIB261218C00260000
255 C5.20-14.75%18409-10BIIB261218C00255000
250 C6.41+23.27%116209-14BIIB261218C00250000
245 C9.10-15.19%144309-03BIIB261218C00245000
240 C8.50+4.94%218409-14BIIB261218C00240000
235 C13.10+3.97%183909-02BIIB261218C00235000
230 C13.00+0.78%824609-14BIIB261218C00230000
225 C18.50-0.11%63609-03BIIB261218C00225000
220 C13.50-9.58%26709-09BIIB261218C00220000
215 C16.30-3.83%214709-09BIIB261218C00215000
210 C23.45+27.51%133109-11BIIB261218C00210000
205 C23.44-21.42%813909-10BIIB261218C00205000
200 C28.50+3.26%273009-14BIIB261218C00200000
195 C30.35-11.26%1314809-10BIIB261218C00195000
190 C42.50+6.36%27109-02BIIB261218C00190000
185 C37.86-16.96%439009-11BIIB261218C00185000
180 C37.90+2.85%225907-28BIIB261218C00180000
175 C48.00-3.71%12809-11BIIB261218C00175000
170 C45.70+33.82%127108-17BIIB261218C00170000
165 C60.40+20.08%52108-19BIIB261218C00165000
160 C64.85+29.70%528708-19BIIB261218C00160000
155 C47.13+16.51%152106-01BIIB261218C00155000
150 C74.00+6.49%11408-26BIIB261218C00150000
145 C52.10+206.47%102806-03BIIB261218C00145000
140 C51.99+23.08%21411-21BIIB261218C00140000
135 C88.60+5.48%1709-02BIIB261218C00135000
130 C96.50+9.41%11709-03BIIB261218C00130000
125 C90.50+5.01%5908-18BIIB261218C00125000
120 C101.40+6.51%46808-19BIIB261218C00120000
115 C99.70+29.46%1107-29BIIB261218C00115000
110 C109.32+3.86%5506-29BIIB261218C00110000
105 C103.35+4.36%5205-13BIIB261218C00105000
100 C63.00+1.61%21811-10BIIB261218C00100000
95 C00%0BIIB261218C00095000
90 C98.02+1.05%3312-05BIIB261218C00090000
85 C66.00+1.41%1310-20BIIB261218C00085000
80 C00%0BIIB261218C00080000
75 C149.91+8.08%1309-03BIIB261218C00075000
70 C131.90+47.70%1207-16BIIB261218C00070000
65 C148.50+20.54%1107-29BIIB261218C00065000
60 C00%0BIIB261218C00060000
Puts
StrikePriceChangeVolOILastContract Name
350 P00%0BIIB261218P00350000
340 P00%0BIIB261218P00340000
330 P00%0BIIB261218P00330000
320 P00%0BIIB261218P00320000
315 P00%0BIIB261218P00315000
310 P00%0BIIB261218P00310000
305 P00%0BIIB261218P00305000
300 P95.00-7.77%2208-19BIIB261218P00300000
295 P00%0BIIB261218P00295000
290 P00%0BIIB261218P00290000
285 P00%0BIIB261218P00285000
280 P97.25+10.52%1110-22BIIB261218P00280000
275 P00%0BIIB261218P00275000
270 P87.760%1110-22BIIB261218P00270000
265 P00%0BIIB261218P00265000
260 P55.35-39.47%4207-16BIIB261218P00260000
255 P91.030%1111-14BIIB261218P00255000
250 P99.56+121.24%2103-07BIIB261218P00250000
245 P41.750%1106-05BIIB261218P00245000
240 P90.77+66.25%1212-16BIIB261218P00240000
235 P23.50-75.00%3308-27BIIB261218P00235000
230 P20.17-78.50%1109-02BIIB261218P00230000
225 P22.20+24.72%1609-08BIIB261218P00225000
220 P18.70-3.11%1609-10BIIB261218P00220000
215 P13.00-8.39%31808-27BIIB261218P00215000
210 P20.60+37.33%220208-03BIIB261218P00210000
205 P11.45-17.03%202808-28BIIB261218P00205000
200 P7.95-51.23%21008-27BIIB261218P00200000
195 P7.30+3.11%76609-14BIIB261218P00195000
190 P6.85+42.71%28109-09BIIB261218P00190000
185 P4.80+6.67%54709-14BIIB261218P00185000
180 P3.60-5.26%765109-14BIIB261218P00180000
175 P2.77-8.28%311709-08BIIB261218P00175000
170 P2.00-6.98%122109-09BIIB261218P00170000
165 P2.05+11.41%204609-09BIIB261218P00165000
160 P1.88+37.23%123709-09BIIB261218P00160000
155 P1.26+14.55%11408-24BIIB261218P00155000
150 P0.80-30.43%216208-25BIIB261218P00150000
145 P1.40-66.67%45808-07BIIB261218P00145000
140 P0.500.00%23709-10BIIB261218P00140000
135 P1.06+32.50%14208-11BIIB261218P00135000
130 P1.20+14.29%158707-28BIIB261218P00130000
125 P1.03+47.14%344907-15BIIB261218P00125000
120 P0.35-71.31%3130808-21BIIB261218P00120000
115 P0.35-70.59%544508-21BIIB261218P00115000
110 P0.88-69.12%206207-31BIIB261218P00110000
105 P1.09-19.26%31704-30BIIB261218P00105000
100 P0.25-77.27%52009-10BIIB261218P00100000
95 P0.70-90.00%372805-21BIIB261218P00095000
90 P0.77-45.00%55103-10BIIB261218P00090000
85 P1.69+382.86%11907-09BIIB261218P00085000
80 P2.39+51.27%617202-03BIIB261218P00080000
75 P3.00+17.65%50050103-12BIIB261218P00075000
70 P1.980%5510-20BIIB261218P00070000
65 P00%0BIIB261218P00065000
60 P1.440%1105-18BIIB261218P00060000


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