Enphase Energy (ENPH) Options Chain

NASDAQ: ENPHTechnologySolarUSD

32.81-0.10 (-0.30%)

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

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $32.81
Put/call ratio (OI): 1.01
Put/call ratio (volume): 0.11
ATM implied volatility: 68.3%
Expected move: ±$25.36
Open interest (C / P): 19.72K / 19.98K

ENPH options summary

The ENPH options chain for the January 21, 2028 expiration lists 22 call and 22 put contracts, with 468 days until expiration. Open interest stands at 19,718 calls and 19,980 puts, a put/call ratio of 1.01, which is fairly balanced between calls and puts. At-the-money implied volatility near the $35.00 strike is 68.3%, which implies the market expects a move of about ±$25.36 (77.3%) in Enphase Energy stock by expiration.

The most open interest sits at the $100.00 call (4.81K contracts) and the $30.00 put (4.94K contracts).

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

ENPH options chain · January 21, 2028

ENPH 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
290	1	76.0%	20.25	17.85	21.35	15.00	0.91	1.40	1.27	65.0%	2	277
486	1	80.3%	18.55	17.25	19.35	17.50	1.74	2.09	2.05	65.9%	1	171
201	1	82.9%	17.80	15.95	18.30	20.00	2.52	3.15	2.75	66.3%	4	491
234	10	78.9%	14.89	14.55	16.40	22.50	3.45	4.00	3.85	64.7%	6	1,358
193	1	77.3%	14.00	13.20	15.05	25.00	3.30	5.00	4.95	58.1%	19	2,940
694	5	74.0%	11.50	11.25	12.10	30.00	7.10	7.80	7.60	63.2%	61	4,941
ENPH $32.81
584	8	74.5%	9.80	9.55	10.50	35.00	10.00	10.90	10.70	62.0%	8	3,954
905	4	75.5%	8.69	8.05	9.50	40.00	12.75	14.30	13.99	59.0%	1	1,491
803	9	74.6%	7.39	6.95	8.00	45.00	16.25	18.90	17.23	60.6%	1	715
1,447	1	74.0%	6.22	6.05	6.75	50.00	20.20	22.00	21.55	56.8%	3	1,209
630	1	76.2%	5.35	5.25	6.55	55.00	24.30	26.95	24.10	58.8%	1	1,593
2,564	40	74.0%	4.96	4.30	5.50	60.00	28.20	30.50	29.27	53.3%	1	578
763	12	73.8%	4.53	3.85	4.70	65.00	33.35	34.85	31.30	54.9%	1	222
790	1	76.6%	3.70	3.50	4.80	70.00	37.85	39.95	37.67	56.5%	10	23
2,033	1,020	74.4%	3.60	3.20	3.65	75.00	42.30	45.40	40.31	59.1%	1	6
161	7	76.0%	3.08	2.68	3.80	80.00	43.85	46.95	45.78	—	1	4
56	2	75.0%	3.08	2.24	3.35	85.00	0.00	0.00	36.65	—	1	0
303	2	74.8%	2.46	2.23	2.75	90.00	54.05	55.95	55.83	—	1	2
333	3	75.6%	2.22	2.07	2.56	95.00	0.00	0.00	43.30	—	1	0
4,812	18	77.6%	2.22	1.95	2.66	100.00	65.90	68.85	63.70	71.2%	5	5
163	1	77.4%	2.15	1.66	2.49	105.00	0.00	0.00	51.65	—	1	0
1,273	2	76.3%	1.84	1.28	2.30	110.00	72.70	74.75	69.40	—	—	0

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 ENPH put/call ratio?

For the January 21, 2028 expiration, the ENPH put/call ratio based on open interest is 1.01 (19,980 puts vs 19,718 calls), and 0.11 based on today's volume. A ratio above 1 means more puts than calls.

What is ENPH's implied volatility?

At-the-money implied volatility for ENPH options expiring January 21, 2028 is about 68.3%, an annualized estimate of how much the market expects Enphase Energy stock to move.

How many ENPH option expiration dates are there?

ENPH has 14 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.