Power Integrations (POWI) Options Chain

NASDAQ: POWITechnologySemiconductorsUSD

49.12-0.77 (-1.54%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 67
Share price: $49.12
Put/call ratio (OI): 1.64
Put/call ratio (volume): 1.09
ATM implied volatility: 62.5%
Expected move: ±$13.14
Open interest (C / P): 87 / 143

POWI options summary

The POWI options chain for the December 18, 2026 expiration lists 13 call and 8 put contracts, with 67 days until expiration. Open interest stands at 87 calls and 143 puts, a put/call ratio of 1.64, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $50.00 strike is 62.5%, which implies the market expects a move of about ±$13.14 (26.8%) in Power Integrations stock by expiration.

The most open interest sits at the $65.00 call (38 contracts) and the $50.00 put (102 contracts).

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

POWI options chain · December 18, 2026

POWI 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
—	—	—	—	—	—	30.00	0.00	1.15	0.50	85.0%	1	7
—	—	—	—	—	—	35.00	0.00	2.25	1.70	77.7%	1	13
1	—	69.4%	14.40	9.00	13.10	40.00	0.00	0.00	1.90	12.5%	—	0
5	—	64.2%	9.90	5.50	9.50	45.00	1.65	4.50	3.70	60.2%	12	13
POWI $49.12
11	8	64.4%	5.40	3.50	6.60	50.00	3.60	7.60	5.70	60.5%	2	102
—	—	—	—	—	—	55.00	6.50	10.90	6.74	58.7%	5	5
2	1	61.6%	1.63	0.95	2.80	60.00	0.00	0.00	9.20	—	—	0
38	1	71.3%	2.35	0.00	3.40	65.00	—	—	—	—	—	—
12	1	79.3%	1.70	0.00	3.10	70.00	19.00	22.50	16.90	80.5%	3	3
6	2	75.0%	1.30	0.00	1.75	75.00	—	—	—	—	—	—
2	1	76.3%	2.25	0.00	1.25	80.00	—	—	—	—	—	—
0	—	25.0%	3.40	0.00	0.00	85.00	—	—	—	—	—	—
1	2	105.6%	0.35	0.00	1.60	100.00	—	—	—	—	—	—
1	2	114.3%	0.30	0.00	1.85	105.00	—	—	—	—	—	—
3	2	111.6%	0.25	0.00	1.35	110.00	—	—	—	—	—	—
5	2	113.4%	0.25	0.00	1.20	115.00	—	—	—	—	—	—

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 POWI put/call ratio?

For the December 18, 2026 expiration, the POWI put/call ratio based on open interest is 1.64 (143 puts vs 87 calls), and 1.09 based on today's volume. A ratio above 1 means more puts than calls.

What is POWI's implied volatility?

At-the-money implied volatility for POWI options expiring December 18, 2026 is about 62.5%, an annualized estimate of how much the market expects Power Integrations stock to move.

How many POWI option expiration dates are there?

POWI has 6 listed expiration dates, from Oct 16, 2026 to Jun 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.