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: Jan 15, 2027
Days to expiration: 96
Share price: $319.40
Put/call ratio (OI): 2.38
Put/call ratio (volume): 2.58
ATM implied volatility: 0.1%
Expected move: ±$0.1638
Open interest (C / P): 1.08K / 2.56K

PEN options summary

The PEN options chain for the January 15, 2027 expiration lists 26 call and 37 put contracts, with 96 days until expiration. Open interest stands at 1,076 calls and 2,558 puts, a put/call ratio of 2.38, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $320.00 strike is 0.1%, which implies the market expects a move of about ±$0.1638 (0.1%) in Penumbra stock by expiration.

The most open interest sits at the $400.00 call (496 contracts) and the $300.00 put (1.09K contracts).

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

PEN options chain · January 15, 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
—	—	—	—	—	—	160.00	2.00	11.00	5.00	108.9%	1	24
—	—	—	—	—	—	165.00	3.00	0.00	12.00	74.4%	1	2
—	—	—	—	—	—	170.00	4.00	0.00	14.00	75.7%	1	3
—	—	—	—	—	—	175.00	0.00	0.00	9.00	25.0%	1	3
0	—	73.8%	148.00	132.00	152.00	180.00	9.50	0.00	10.50	85.6%	3	6
—	—	—	—	—	—	185.00	11.30	0.00	16.00	86.3%	2	7
—	—	—	—	—	—	190.00	—	—	14.17	—	—	—
—	—	—	—	—	—	195.00	16.00	0.00	16.90	88.6%	12	12
—	—	—	—	—	—	200.00	0.00	0.00	19.00	12.5%	—	0
—	—	—	—	—	—	210.00	20.10	39.80	44.66	136.5%	—	1
—	—	—	—	—	—	220.00	25.00	0.00	40.40	84.8%	3	116
—	—	—	—	—	—	230.00	34.00	0.00	47.40	88.9%	13	93
9	—	83.0%	107.00	92.10	102.00	240.00	0.00	0.00	52.00	12.5%	1	26
0	1	69.0%	72.90	64.10	83.90	250.00	0.00	0.00	61.00	12.5%	1	11
—	—	—	—	—	—	260.00	60.10	79.80	76.00	168.1%	6	14
—	—	—	—	—	—	270.00	0.00	0.00	83.12	6.3%	3	34
3	18	55.7%	56.82	53.00	61.80	280.00	60.00	90.00	85.00	155.8%	1	61
101	1	37.6%	45.80	32.60	41.10	290.00	88.10	107.90	103.00	185.9%	33	45
10	1	35.5%	34.70	25.00	33.60	300.00	80.00	120.00	80.00	177.9%	6	1,095
6	1	19.2%	12.90	5.00	17.70	310.00	0.00	0.00	99.81	1.6%	52	206
PEN $319.40
0	1	0.1%	10.60	0.00	0.00	320.00	0.00	0.00	111.90	—	1	109
18	1	31.1%	5.98	0.00	15.90	330.00	0.00	0.00	131.00	—	3	0
36	1	43.1%	8.20	0.00	20.00	340.00	134.10	153.90	153.00	206.2%	20	31
18	1	48.0%	6.70	0.00	19.90	350.00	144.10	163.90	161.00	210.8%	1	11
154	50	52.7%	1.13	0.00	19.90	360.00	154.10	173.90	169.90	215.2%	2	65
119	1	35.5%	14.90	0.00	7.50	370.00	0.00	0.00	189.00	—	6	81
0	1	6.3%	15.20	0.00	0.00	380.00	174.10	193.90	187.00	223.3%	44	183
0	1	6.3%	15.00	0.00	0.00	390.00	0.00	0.00	172.10	—	1	0
496	1	37.1%	7.00	0.00	4.00	400.00	194.10	213.90	188.00	230.8%	4	278
10	1	39.8%	5.40	0.00	4.00	410.00	0.00	0.00	182.55	—	5	0
9	1	42.4%	6.30	0.00	4.00	420.00	212.10	231.90	217.30	234.4%	1	22
5	1	44.2%	6.30	0.00	3.80	430.00	140.00	150.00	139.00	102.5%	2	11
3	1	45.6%	6.20	0.00	3.50	440.00	149.00	159.00	135.00	104.0%	1	6
3	1	46.1%	6.30	0.00	3.00	450.00	0.00	0.00	137.00	—	—	0
6	1	47.5%	5.40	0.00	2.80	460.00	169.00	178.00	154.00	109.2%	—	1
5	1	48.7%	5.70	0.00	2.60	470.00	0.00	0.00	155.30	—	1	0
4	1	50.3%	4.70	0.00	2.50	480.00	—	—	—	—	—	—
9	1	52.1%	12.80	0.00	2.50	490.00	269.00	279.00	203.00	226.5%	—	1
52	1	51.6%	13.20	0.00	2.00	500.00	—	—	—	—	—	—

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 January 15, 2027 expiration, the PEN put/call ratio based on open interest is 2.38 (2,558 puts vs 1,076 calls), and 2.58 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 January 15, 2027 is about 0.1%, 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.