Enphase Energy (ENPH) Options Chain

NASDAQ: ENPHTechnologySemiconductorsUSD

32.81-0.10 (-0.30%)

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

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 5
Share price: $32.81
Put/call ratio (OI): 0.41
Put/call ratio (volume): 0.46
ATM implied volatility: 62.2%
Expected move: ±$2.39
Open interest (C / P): 24.00K / 9.91K

ENPH options summary

The ENPH options chain for the October 16, 2026 expiration lists 32 call and 38 put contracts, with 5 days until expiration. Open interest stands at 23,995 calls and 9,915 puts, a put/call ratio of 0.41, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $33.00 strike is 62.2%, which implies the market expects a move of about ±$2.39 (7.3%) in Enphase Energy stock by expiration.

The most open interest sits at the $40.00 call (6.89K contracts) and the $35.00 put (4.22K contracts).

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

ENPH options chain · October 16, 2026

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
7	3	220.3%	13.35	11.75	14.10	20.00	0.00	0.02	0.01	153.1%	1	9
—	—	—	—	—	—	22.50	0.00	0.10	0.01	150.8%	1	240
—	—	—	—	—	—	24.00	0.00	0.28	0.04	155.5%	51	48
3	—	138.7%	10.30	6.80	9.10	25.00	0.00	0.27	0.04	137.9%	28	278
—	—	—	—	—	—	26.00	0.00	0.30	0.05	124.6%	2	1
—	—	—	—	—	—	27.00	0.00	0.29	0.06	107.4%	1	10
—	—	—	—	—	—	28.00	0.00	0.50	0.07	106.3%	110	184
—	—	—	—	—	—	28.50	0.00	0.05	0.04	57.8%	43	141
—	—	—	—	—	—	29.00	0.05	0.08	0.07	62.5%	22	95
—	—	—	—	—	—	29.50	0.06	0.31	0.09	72.8%	7	210
135	16	65.2%	2.39	2.21	3.00	30.00	0.11	0.15	0.14	58.0%	107	1,410
2	2	72.3%	3.60	1.74	3.60	30.50	0.18	0.22	0.18	57.8%	32	22
9	2	85.3%	1.53	1.39	2.48	31.00	0.27	0.34	0.32	58.0%	118	186
44	10	57.4%	1.60	1.48	2.00	31.50	0.41	0.54	0.45	60.5%	106	233
239	239	63.1%	1.00	1.08	1.50	32.00	0.53	0.68	0.62	57.7%	378	419
48	65	54.3%	1.03	0.79	1.35	32.50	0.44	1.27	0.85	60.1%	93	110
ENPH $32.81
189	2,216	55.1%	0.88	0.79	0.88	33.00	1.00	1.53	1.16	69.3%	131	374
80	58	52.3%	0.60	0.48	0.69	33.50	1.03	1.85	1.64	62.5%	16	177
761	158	56.3%	0.52	0.43	0.53	34.00	0.75	2.22	2.26	90.9%	111	133
103	22	56.0%	0.38	0.25	0.44	34.50	1.83	2.80	2.58	75.5%	24	355
1,873	286	59.0%	0.25	0.25	0.31	35.00	2.37	2.76	2.61	66.6%	65	4,222
79	25	60.5%	0.18	0.16	0.27	35.50	2.60	3.45	3.00	71.3%	8	44
451	197	58.6%	0.14	0.09	0.18	36.00	2.81	4.20	3.99	77.0%	12	31
37	8	70.7%	0.07	0.07	0.30	36.50	3.20	4.45	4.09	64.8%	10	19
371	39	62.9%	0.08	0.07	0.10	37.00	3.70	5.05	4.67	77.0%	21	27
98	28	68.4%	0.05	0.04	0.13	37.50	3.50	5.65	4.81	149.3%	1	25
212	17	61.7%	0.05	0.00	0.07	38.00	4.95	6.20	5.80	110.2%	1	6
22	2	78.5%	0.05	0.00	0.17	38.50	5.60	6.50	6.05	114.1%	4	9
24	12	70.3%	0.08	0.01	0.06	39.00	6.10	6.95	6.53	117.4%	3	7
19	2	76.6%	0.05	0.02	0.06	39.50	—	—	—	—	—	—
6,891	75	80.5%	0.03	0.03	0.05	40.00	7.15	7.75	7.20	119.9%	109	872
32	5	92.2%	0.09	0.01	0.09	41.00	7.25	9.35	8.53	107.0%	8	8
14	21	92.2%	0.03	0.00	0.06	42.00	8.25	10.25	8.10	103.5%	3	1
28	1	145.7%	0.20	0.00	0.46	43.00	—	—	—	—	—	—
11	1	104.7%	0.01	0.00	0.05	44.00	10.25	12.45	9.63	143.0%	—	0
4,607	5	110.9%	0.01	0.00	0.05	45.00	11.70	13.15	11.50	164.1%	4	7
3,979	22	118.8%	0.01	0.00	0.01	50.00	16.70	18.10	17.26	198.8%	6	0
1,274	6	207.0%	0.01	0.00	0.22	55.00	21.60	23.50	23.30	259.0%	1	0
1,161	1	209.4%	0.06	0.00	0.10	60.00	26.25	28.30	27.30	225.8%	2	2
1,192	14	193.8%	0.01	0.00	0.02	65.00	31.05	33.45	28.80	237.5%	1	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 October 16, 2026 expiration, the ENPH put/call ratio based on open interest is 0.41 (9,915 puts vs 23,995 calls), and 0.46 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 October 16, 2026 is about 62.2%, 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.