BIIB

$220.90

118 put contracts · delayed quotes via cboe · fetched 5:26 AM ET

BIIB is above a rising 200-day average. Well above its long-term average, so strikes near the money offer less of a discount.

Last: $220.90
200-day: $191.05
vs 200-day: 15.6%
50-day: $209.53
RSI (14): 58
52-week range: $135.67 – $224.51

The business

45/100Next earnings 2026-10-29

Selling a put is a commitment to buy, so this asks whether you would want the business at all — separately from whether the price looks good.

Size40$32.6B market cap

Cash flow35$1.3B free cash flow

Balance sheet980.44 debt/equity

Growth17earnings -84.8%, revenue 3.4%

Profitability16ROE 4.6%, margin 8.3%

Where the volume traded

Heaviest traded price is $176.83; 70% of volume changed hands between $164.02 and $210.73. The lookback matters — a shorter window weights recent trading more heavily.

spot $220.90

heaviest tradedspotyour break-evens252 sessions

0 contracts match your settings, ranked by fit

Excluded: 95 delta above range · 9 delta below range

Nothing matches these settings right now.

That is a result, not an error. Here is what ruled the contracts out:

95delta above range
9delta below range
8open interest too low
5expiry too soon
1spread too wide

Your delta band for this stance is 0.18–0.36. Switching stance widens the delta band.

Credit uses the bid, not the mid — that is what a seller actually receives. Tap any contract for the full arithmetic.

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