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Biogen Inc BIIB 254.46 5.53 2.22%

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ATM IV
0.494
Put Call Ratio (OI)
0.995
Put Call Ratio (Vol)
1.1
IV Rank
76.5
IV Percentile
98.4
Max pain
250

Delta exposure (2026-11-04)

Delta approximates how many cents the option moves for a $1 move in the underlying.

A 0.50 call gains ~$0.50 if the stock goes up $1. Delta also approximates the option's probability of finishing in the money.

DTE \text{DTE}
2.0
807.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-194.5
194.5
View values by strike
BIIB · Delta exposure · 2026-11-04. Delta-weighted share equivalents.
StrikeCallsPuts
60.00 299 -12
65.00 199 -0.634
70.00 397 -15
75.00 2.09 K -396
80.00 5.27 K -147
85.00 5.09 K -116
90.00 4.27 K -83.4
95.00 1.09 K -281
100.00 5.94 K -1.02 K
105.00 3.08 K -838
110.00 6.84 K -1.28 K
115.00 2.39 K -648
120.00 12.4 K -1.24 K
125.00 3.06 K -665
130.00 13.8 K -328
135.00 5.3 K -224
140.00 10.3 K -540
145.00 6 K -642
150.00 231 K -1.97 K
155.00 7.67 K -545
160.00 32.8 K -1.16 K
165.00 5.14 K -2.17 K
170.00 19.7 K -2.88 K
175.00 21 K -2.45 K
180.00 58.6 K -9.26 K
185.00 47.3 K -1.4 K
190.00 20.5 K -9.64 K
195.00 52.5 K -11 K
200.00 103 K -17.8 K
205.00 12.5 K -565
210.00 107 K -9.28 K
212.50 0 -59.5
215.00 15.6 K -450
217.50 0 -27
220.00 106 K -27.7 K
222.50 195 0
225.00 6.04 K -8.08 K
227.50 94.5 -113
230.00 162 K -45.5 K
232.50 92.1 -135
235.00 34.1 K -41.4 K
237.50 2.99 K -238
240.00 188 K -49.8 K
242.50 1 K -335
245.00 73.6 K -5.37 K
247.50 1.23 K -1.56 K
250.00 117 K -136 K
252.50 2.59 K -1.6 K
255.00 115 K -16.2 K
257.50 5.17 K -874
260.00 82.3 K -30.7 K
262.50 189 -312
265.00 52.9 K -446
267.50 169 0
270.00 12.8 K -1.71 K
272.50 15.2 0
275.00 4.94 K -378
280.00 49.2 K -732
282.50 5.94 0
285.00 3.08 K 0
290.00 25 K -271
295.00 1.39 K 0
300.00 32.3 K -556
305.00 374 0
310.00 3.82 K 0
315.00 604 0
320.00 12.6 K 0
330.00 992 0
340.00 7.68 K 0
350.00 372 0
360.00 209 0