Teradyne (TER) Options Chain

NASDAQ: TERIndustrialsElectrical ProductsUSD

402.68+3.96 (+0.99%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $402.68
Put/call ratio (OI): 1.55
Put/call ratio (volume): 0.98
ATM implied volatility: 69.4%
Expected move: ±$92.46
Open interest (C / P): 5.67K / 8.80K

TER options summary

The TER options chain for the November 20, 2026 expiration lists 72 call and 65 put contracts, with 40 days until expiration. Open interest stands at 5,666 calls and 8,805 puts, a put/call ratio of 1.55, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $400.00 strike is 69.4%, which implies the market expects a move of about ±$92.46 (23.0%) in Teradyne stock by expiration.

The most open interest sits at the $600.00 call (726 contracts) and the $430.00 put (1.80K contracts).

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

TER options chain · November 20, 2026

TER 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
0	—	—	243.60	0.00	0.00	50.00	0.00	4.30	0.10	348.4%	—	1
0	10	—	330.40	0.00	0.00	55.00	0.05	2.65	2.80	305.3%	1	6
1	1	—	291.40	309.00	312.60	65.00	—	—	—	—	—	—
1	—	—	291.70	283.60	292.50	70.00	0.00	0.00	0.82	50.0%	1	0
2	2	—	43.10	65.10	69.40	75.00	0.00	4.30	0.41	279.0%	22	26
1	3	—	123.45	170.50	176.00	80.00	0.25	3.80	3.10	265.4%	16	21
1	1	—	234.40	289.60	293.20	85.00	0.00	3.70	2.20	251.4%	3	8
6	1	—	275.90	284.60	288.40	90.00	0.00	0.00	1.58	50.0%	1	0
0	10	—	291.10	0.00	0.00	95.00	0.00	2.25	0.10	215.0%	1	11
7	1	—	329.30	261.90	269.80	100.00	0.00	3.10	0.10	218.9%	1	83
4	1	—	237.20	270.60	274.50	105.00	0.00	3.40	0.16	214.9%	2	13
0	1	—	209.71	0.00	0.00	110.00	0.00	3.80	0.20	211.9%	1	52
9	1	—	350.00	247.10	254.00	115.00	0.00	0.00	0.20	50.0%	9	0
38	1	—	212.51	234.80	243.00	120.00	0.00	0.00	0.50	50.0%	2	0
0	1	—	285.20	0.00	0.00	125.00	0.00	4.30	0.35	196.5%	15	108
28	1	164.8%	286.00	270.60	276.60	130.00	0.00	4.30	0.30	190.4%	10	12
0	1	—	209.40	0.00	0.00	135.00	0.00	4.30	0.30	184.4%	10	15
37	1	—	246.06	238.00	242.10	140.00	0.00	4.10	0.36	177.2%	3	4
4	1	142.9%	239.23	254.70	262.00	145.00	0.10	1.30	4.40	143.8%	—	1
8	1	138.5%	203.50	249.70	257.00	150.00	0.00	2.90	0.10	156.5%	7	17
5	2	—	209.00	200.40	208.40	155.00	0.00	0.00	4.10	50.0%	4	0
53	70	140.8%	284.13	239.80	247.80	160.00	0.00	2.00	0.85	138.3%	3	23
0	1	—	161.78	0.00	0.00	165.00	0.00	2.70	0.05	140.8%	3	7
10	2	—	199.00	185.80	193.80	170.00	0.00	4.30	0.75	148.5%	1	8
16	2	—	191.50	180.90	188.90	175.00	0.00	4.30	1.00	144.0%	1	11
14	1	126.1%	226.00	219.90	227.90	180.00	0.00	4.30	0.50	139.7%	4	97
14	1	—	185.00	171.10	179.30	185.00	0.00	1.60	0.12	114.2%	1	6
18	6	—	181.90	166.80	172.80	190.00	0.00	0.70	0.76	98.3%	2	10
7	2	—	267.40	190.10	194.50	195.00	0.00	0.70	0.50	95.2%	1	4
49	1	106.9%	247.00	199.30	208.00	200.00	0.00	0.75	0.45	93.0%	5	82
17	6	107.0%	240.19	190.20	198.00	210.00	0.00	0.80	0.42	87.8%	2	70
45	1	100.9%	115.00	180.30	188.00	220.00	0.00	0.65	0.20	79.8%	1	181
99	1	—	136.00	139.60	146.90	230.00	0.00	0.75	1.02	75.9%	10	78
8	3	93.8%	125.20	160.70	168.70	240.00	0.00	1.55	1.00	78.9%	3	97
24	1	90.1%	131.77	151.00	159.00	250.00	0.40	1.60	1.00	76.6%	2	316
11	2	74.8%	92.45	141.00	147.00	260.00	0.75	1.80	1.24	74.3%	1	258
7	1	78.5%	141.00	132.00	138.20	270.00	1.05	2.85	1.70	74.9%	3	423
65	6	74.3%	130.47	122.70	128.00	280.00	1.15	4.20	2.84	74.3%	8	214
25	12	79.1%	128.10	113.60	121.10	290.00	2.20	4.90	4.40	73.5%	13	121
50	1	78.5%	153.94	104.60	112.80	300.00	3.40	5.10	5.25	70.9%	5	530
36	1	73.4%	100.60	96.20	101.90	310.00	4.80	8.10	7.40	73.7%	8	606
274	1	76.2%	90.14	90.10	93.60	320.00	7.30	8.40	7.75	72.0%	15	158
58	2	75.5%	129.60	80.00	88.00	330.00	6.10	11.60	9.80	68.4%	17	523
400	2	73.0%	107.00	72.50	79.00	340.00	10.50	15.20	12.28	72.4%	7	410
77	2	72.5%	104.08	65.00	72.20	350.00	14.00	16.20	15.12	70.6%	11	355
111	1	74.5%	88.30	59.40	66.50	360.00	16.10	21.50	18.37	71.3%	1	262
94	6	73.0%	54.80	53.40	59.00	370.00	18.90	25.30	27.20	70.1%	12	532
96	1	72.1%	90.00	47.60	52.50	380.00	24.70	30.40	26.12	72.5%	1	141
50	1	72.5%	42.10	42.30	47.70	390.00	29.40	33.70	34.29	71.0%	24	537
335	7	71.7%	43.00	38.00	41.50	400.00	32.10	37.00	35.70	67.0%	54	135
TER $402.68
121	1	72.9%	35.29	34.90	37.00	410.00	40.80	42.90	41.50	70.3%	31	23
89	1	72.8%	35.60	30.90	32.90	420.00	46.30	48.50	47.10	69.5%	1	54
73	26	72.5%	26.33	26.80	29.30	430.00	51.40	54.70	54.18	68.1%	1	1,802
123	6	70.1%	24.20	21.10	25.90	440.00	57.00	63.20	47.12	68.7%	1	19
207	4	73.1%	20.50	20.40	23.80	450.00	66.10	71.20	49.15	71.6%	1	29
119	44	73.6%	22.49	17.60	21.70	460.00	73.00	77.60	58.90	70.2%	2	87
125	10	74.6%	21.10	15.30	20.20	470.00	123.00	129.60	159.14	153.9%	—	14
351	10	72.3%	19.25	11.00	18.10	480.00	151.40	155.50	124.50	191.0%	5	5
78	10	74.0%	23.50	11.70	15.10	490.00	0.00	0.00	118.40	—	5	0
398	1	74.2%	13.65	10.10	13.40	500.00	105.30	111.30	89.68	72.3%	2	181
17	1	74.9%	9.84	8.80	12.30	510.00	—	—	—	—	—	—
127	8	77.0%	8.50	7.10	12.80	520.00	165.00	171.90	199.30	163.3%	—	1
17	1	75.3%	8.63	6.30	10.00	530.00	—	—	—	—	—	—
66	2	75.3%	8.30	4.20	10.00	540.00	198.90	202.20	161.40	194.4%	1	1
16	3	78.8%	7.75	4.50	9.90	550.00	—	—	—	—	—	—
353	11	75.5%	5.30	4.30	6.50	560.00	200.00	207.20	232.24	170.1%	9	11
25	10	73.2%	4.27	2.15	6.10	570.00	—	—	—	—	—	—
76	1	77.8%	10.36	1.70	7.50	580.00	0.00	0.00	238.20	—	1	0
726	1	76.1%	3.60	2.10	4.20	600.00	240.40	248.60	260.30	186.1%	1	4
142	15	79.0%	6.18	0.70	5.00	620.00	255.80	262.90	292.00	182.3%	—	1
67	14	77.9%	4.70	0.00	4.00	640.00	—	—	—	—	—	—
135	32	80.9%	6.50	0.05	3.70	660.00	—	—	—	—	—	—

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 TER put/call ratio?

For the November 20, 2026 expiration, the TER put/call ratio based on open interest is 1.55 (8,805 puts vs 5,666 calls), and 0.98 based on today's volume. A ratio above 1 means more puts than calls.

What is TER's implied volatility?

At-the-money implied volatility for TER options expiring November 20, 2026 is about 69.4%, an annualized estimate of how much the market expects Teradyne stock to move.

How many TER option expiration dates are there?

TER has 12 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.