Corning (GLW) Options Chain

NYSE: GLWIndustrialsTelecommunications EquipmentUSD

156.68+3.85 (+2.52%)

At close: Oct 9, 4:03 PM ET · Delayed 15 min

Expiration date

Expiration: Mar 17, 2028
Days to expiration: 523
Share price: $156.68
Put/call ratio (OI): 0.87
Put/call ratio (volume): 0.75
ATM implied volatility: 57.5%
Expected move: ±$107.89
Open interest (C / P): 334 / 292

GLW options summary

The GLW options chain for the March 17, 2028 expiration lists 30 call and 23 put contracts, with 523 days until expiration. Open interest stands at 334 calls and 292 puts, a put/call ratio of 0.87, which is fairly balanced between calls and puts. At-the-money implied volatility near the $155.00 strike is 57.5%, which implies the market expects a move of about ±$107.89 (68.9%) in Corning stock by expiration.

The most open interest sits at the $250.00 call (66 contracts) and the $160.00 put (81 contracts).

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

GLW options chain · March 17, 2028

GLW 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
29	1	70.0%	110.90	96.00	99.50	65.00	2.69	3.55	3.00	57.1%	1	29
1	1	69.7%	91.00	92.50	95.65	70.00	3.50	4.65	4.00	57.2%	3	2
2	—	68.9%	74.27	88.00	92.70	75.00	4.45	5.75	7.10	57.0%	2	13
3	1	68.4%	94.50	85.00	88.60	80.00	5.55	6.80	5.95	56.5%	2	16
—	—	—	—	—	—	85.00	6.70	8.10	12.85	56.1%	1	7
2	2	67.1%	84.45	78.45	81.45	90.00	7.85	9.70	9.00	55.8%	1	16
—	—	—	—	—	—	95.00	8.50	11.30	9.93	54.6%	2	26
10	1	66.0%	82.10	71.95	75.20	100.00	10.10	12.90	11.47	54.4%	2	12
—	—	—	—	—	—	105.00	11.80	14.65	17.65	54.1%	3	5
5	2	65.2%	78.50	66.00	69.35	110.00	13.55	16.50	15.21	53.7%	2	32
1	1	64.6%	60.78	63.00	66.65	115.00	15.60	18.50	19.12	53.5%	2	9
6	1	64.5%	61.77	60.50	64.00	120.00	17.05	21.50	20.00	53.5%	1	12
3	1	64.3%	67.95	58.00	61.55	125.00	19.10	23.50	24.38	52.9%	1	1
23	2	64.2%	56.25	55.75	59.15	130.00	23.00	25.05	25.91	53.3%	2	5
4	1	63.5%	54.15	53.00	56.75	135.00	25.55	28.50	28.85	53.9%	—	4
10	1	63.9%	50.00	51.50	54.50	140.00	28.00	31.00	26.70	53.5%	1	16
16	2	63.5%	52.00	49.00	52.50	145.00	30.75	32.15	31.25	52.2%	30	1
51	5	63.8%	56.39	47.50	50.65	150.00	0.00	0.00	43.50	0.8%	1	0
8	1	64.2%	44.71	45.50	49.50	155.00	34.50	38.45	35.35	50.9%	1	2
GLW $156.68
20	14	63.8%	47.76	43.00	48.00	160.00	38.10	42.50	36.80	51.9%	1	81
5	1	64.1%	53.41	42.15	46.00	165.00	—	—	—	—	—	—
9	2	63.2%	51.77	40.25	43.30	170.00	44.00	47.70	42.65	50.5%	1	1
2	1	62.8%	40.25	38.00	41.95	175.00	47.00	51.50	52.15	50.6%	—	1
4	3	62.8%	37.50	36.50	40.45	180.00	—	—	—	—	—	—
3	1	63.0%	37.35	35.50	39.05	185.00	—	—	—	—	—	—
9	1	63.3%	40.94	34.00	38.20	190.00	—	—	—	—	—	—
1	—	66.9%	50.35	35.00	40.00	195.00	—	—	—	—	—	—
11	4	62.8%	35.70	31.50	34.90	200.00	71.00	75.35	82.50	58.3%	—	1
0	1	6.3%	54.37	0.00	0.00	210.00	—	—	—	—	—	—
14	1	62.6%	34.00	27.00	30.35	220.00	—	—	—	—	—	—
4	23	62.9%	26.00	25.50	28.25	230.00	—	—	—	—	—	—
12	2	63.6%	25.38	23.75	27.50	240.00	—	—	—	—	—	—
66	3	62.7%	30.19	21.50	25.05	250.00	—	—	—	—	—	—

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 GLW put/call ratio?

For the March 17, 2028 expiration, the GLW put/call ratio based on open interest is 0.87 (292 puts vs 334 calls), and 0.75 based on today's volume. A ratio above 1 means more puts than calls.

What is GLW's implied volatility?

At-the-money implied volatility for GLW options expiring March 17, 2028 is about 57.5%, an annualized estimate of how much the market expects Corning stock to move.

How many GLW option expiration dates are there?

GLW has 19 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.