Penumbra (PEN) Options Chain

NYSE: PENHealth CareMedical/Dental InstrumentsUSD

319.40+1.88 (+0.59%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $319.40
Put/call ratio (OI): 4.95
Put/call ratio (volume): 2.78
ATM implied volatility: 79.1%
Expected move: ±$166.83
Open interest (C / P): 43 / 213

PEN options summary

The PEN options chain for the March 19, 2027 expiration lists 12 call and 22 put contracts, with 159 days until expiration. Open interest stands at 43 calls and 213 puts, a put/call ratio of 4.95, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $320.00 strike is 79.1%, which implies the market expects a move of about ±$166.83 (52.2%) in Penumbra stock by expiration.

The most open interest sits at the $350.00 call (16 contracts) and the $300.00 put (60 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

PEN options chain · March 19, 2027

PEN calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	165.00	12.00	22.00	10.10	112.8%	—	3
—	—	—	—	—	—	170.00	0.00	0.00	15.00	25.0%	—	1
—	—	—	—	—	—	180.00	—	—	20.20	—	—	—
—	—	—	—	—	—	200.00	18.10	37.90	40.10	110.2%	1	2
—	—	—	—	—	—	210.00	0.00	0.00	36.30	12.5%	1	0
—	—	—	—	—	—	220.00	0.00	0.00	43.70	12.5%	4	3
—	—	—	—	—	—	240.00	46.10	65.90	71.70	126.5%	1	1
—	—	—	—	—	—	270.00	74.10	93.90	91.00	142.8%	2	12
—	—	—	—	—	—	280.00	82.10	101.90	94.90	145.3%	1	3
—	—	—	—	—	—	290.00	92.10	111.90	104.20	150.4%	—	1
—	—	—	—	—	—	300.00	60.00	0.00	117.10	1.6%	1	60
2	—	15.3%	12.40	8.00	18.00	310.00	106.10	125.90	120.00	151.3%	5	5
PEN $319.40
6	3	0.1%	13.00	0.00	0.00	320.00	118.10	137.90	117.74	158.2%	—	2
6	2	29.1%	5.00	0.00	20.00	330.00	126.10	145.90	155.90	159.4%	1	50
0	1	1.6%	11.90	0.00	0.00	340.00	—	—	—	—	—	—
16	2	3.1%	5.00	0.00	0.00	350.00	139.00	149.00	97.00	151.1%	1	1
2	1	3.1%	3.50	0.00	0.00	360.00	156.10	175.90	172.00	170.2%	1	2
—	—	—	—	—	—	370.00	166.10	185.90	178.00	173.4%	1	9
—	—	—	—	—	—	380.00	174.10	193.90	188.00	173.9%	3	49
—	—	—	—	—	—	390.00	184.10	203.90	197.00	176.9%	1	5
—	—	—	—	—	—	400.00	194.10	213.90	211.00	179.7%	1	2
1	—	41.9%	8.20	0.00	10.00	410.00	204.10	223.90	217.50	182.4%	—	1
1	—	48.5%	4.20	0.00	10.00	440.00	—	—	—	—	—	—
1	—	50.5%	5.80	0.00	10.00	450.00	—	—	—	—	—	—
1	—	52.5%	4.70	0.00	10.00	460.00	—	—	—	—	—	—
2	—	54.4%	4.90	0.00	10.00	470.00	—	—	—	—	—	—
5	—	56.2%	6.30	0.00	10.00	480.00	—	—	—	—	—	—
—	—	—	—	—	—	490.00	278.00	298.00	290.00	193.6%	—	1

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the PEN put/call ratio?

For the March 19, 2027 expiration, the PEN put/call ratio based on open interest is 4.95 (213 puts vs 43 calls), and 2.78 based on today's volume. A ratio above 1 means more puts than calls.

What is PEN's implied volatility?

At-the-money implied volatility for PEN options expiring March 19, 2027 is about 79.1%, an annualized estimate of how much the market expects Penumbra stock to move.

How many PEN option expiration dates are there?

PEN has 9 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.