Thermo Fisher Scientific (TMO) Options Chain

NYSE: TMOIndustrialsIndustrial Machinery/ComponentsUSD

658.02+6.04 (+0.93%)

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

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 6
Share price: $658.02
Put/call ratio (OI): 0.79
Put/call ratio (volume): 0.44
Open interest (C / P): 7.53K / 5.94K

TMO options summary

The TMO options chain for the October 16, 2026 expiration lists 40 call and 44 put contracts, with 6 days until expiration. Open interest stands at 7,525 calls and 5,939 puts, a put/call ratio of 0.79, which is fairly balanced between calls and puts. The most open interest sits at the $750.00 call (3.75K contracts) and the $600.00 put (2.31K contracts).

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

TMO options chain · October 16, 2026

TMO 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
—	—	—	—	—	—	400.00	0.00	4.90	0.40	207.2%	1	2
—	—	—	—	—	—	410.00	0.00	4.90	4.17	198.3%	1	1
—	—	—	—	—	—	430.00	0.00	0.00	1.05	50.0%	—	0
—	—	—	—	—	—	440.00	0.00	0.00	1.05	50.0%	—	0
—	—	—	—	—	—	460.00	0.00	0.00	0.70	50.0%	—	0
—	—	—	—	—	—	490.00	0.00	4.90	0.55	133.3%	1	2
4	1	100.5%	140.00	155.50	162.00	500.00	0.00	4.90	4.65	125.8%	1	7
0	1	132.5%	165.92	144.00	152.00	510.00	0.00	4.90	0.25	118.4%	1	4
—	—	—	—	—	—	520.00	0.00	4.90	0.10	111.0%	4	16
1	—	116.6%	92.68	124.00	132.00	530.00	0.00	4.90	0.48	103.8%	1	62
1	—	75.0%	83.56	115.40	122.00	540.00	0.00	0.10	0.50	53.3%	2	34
2	1	68.2%	96.80	105.30	112.00	550.00	0.00	0.45	0.10	58.4%	2	43
—	—	—	—	—	—	560.00	0.00	4.90	0.07	82.3%	4	1,200
—	—	—	—	—	—	570.00	0.00	1.85	0.15	60.7%	2	85
9	5	54.7%	80.20	75.60	82.30	580.00	0.00	1.70	0.25	53.8%	1	325
—	—	—	—	—	—	585.00	0.00	1.70	0.75	50.8%	8	8
33	4	69.7%	69.00	66.10	71.90	590.00	0.00	1.70	0.50	55.6%	5	35
—	—	—	—	—	—	595.00	0.00	1.50	0.72	50.8%	3	8
38	3	57.7%	61.70	56.60	61.10	600.00	0.00	2.40	1.70	53.7%	6	2,308
—	—	—	—	—	—	605.00	0.10	1.75	1.75	46.0%	2	3
10	1	59.2%	48.60	46.20	53.00	610.00	0.20	1.70	1.70	42.2%	9	164
—	—	—	—	—	—	615.00	0.70	1.30	0.95	36.1%	25	28
165	110	53.2%	57.01	37.60	43.60	620.00	0.25	5.70	2.75	53.7%	1	530
4	1	50.3%	33.98	33.20	39.00	625.00	0.80	5.00	1.90	46.6%	4	8
58	3	42.6%	30.60	28.90	33.10	630.00	1.75	3.40	2.50	36.0%	8	91
—	—	—	—	—	—	632.50	2.05	6.00	9.50	43.6%	11	30
—	—	—	—	—	—	635.00	2.55	3.80	3.80	33.5%	270	23
—	—	—	—	—	—	637.50	2.85	4.30	3.75	33.1%	3	1
62	3	39.3%	18.17	21.00	24.90	640.00	2.50	7.50	3.97	41.3%	4	427
18	12	38.1%	20.53	17.50	21.20	645.00	3.20	9.90	4.95	43.2%	2	70
—	—	—	—	—	—	647.50	—	—	7.70	—	—	—
204	66	37.4%	17.40	13.00	17.90	650.00	6.30	8.30	6.64	32.9%	2	130
—	—	—	7.05	—	—	652.50	—	—	13.80	—	—	—
14	11	32.6%	12.71	11.30	13.40	655.00	7.00	10.60	9.20	33.2%	8	195
—	—	—	—	—	—	657.50	—	—	24.35	—	—	—
TMO $658.02
584	9	32.0%	10.09	6.10	10.70	660.00	9.70	12.80	11.65	32.4%	1	22
—	—	—	14.11	—	—	662.50	—	—	—	—	—	—
131	128	35.3%	17.60	4.80	9.70	665.00	12.00	16.20	21.49	33.9%	3	51
—	—	—	—	—	—	667.50	—	—	12.00	—	—	—
369	10	35.8%	7.32	2.75	8.00	670.00	15.30	19.30	17.77	33.8%	2	3
84	9	43.7%	8.07	1.60	9.00	675.00	17.80	23.60	34.66	36.5%	1	8
—	—	—	7.25	—	—	677.50	—	—	—	—	—	—
779	136	31.8%	2.83	2.75	3.90	680.00	21.30	29.10	25.08	42.6%	1	12
36	4	42.1%	4.64	0.10	5.70	685.00	—	—	—	—	—	—
274	14	37.4%	1.80	1.30	3.40	690.00	29.70	36.00	40.97	39.9%	1	3
14	1	40.4%	0.71	0.00	3.30	695.00	—	—	—	—	—	—
519	277	33.9%	0.75	0.75	1.40	700.00	—	—	—	—	—	—
127	1	39.8%	0.67	0.10	1.45	710.00	—	—	—	—	—	—
24	9	55.2%	1.40	0.00	3.70	715.00	—	—	—	—	—	—
52	2	57.3%	0.72	0.00	3.50	720.00	—	—	—	—	—	—
30	22	54.5%	1.25	0.00	4.90	725.00	—	—	—	—	—	—
33	24	51.1%	1.00	0.00	3.10	730.00	68.30	74.90	75.41	60.0%	1	0
3	1	61.6%	0.43	0.00	4.60	740.00	—	—	—	—	—	—
3,747	1	39.2%	0.15	0.00	0.10	750.00	88.20	96.30	94.00	78.9%	2	0
69	2	52.3%	0.20	0.00	0.45	760.00	—	—	—	—	—	—
15	29	71.6%	0.51	0.00	3.40	770.00	—	—	—	—	—	—
11	11	82.4%	0.50	0.00	4.90	780.00	—	—	—	—	—	—
1	1	100.2%	0.47	0.00	4.90	820.00	—	—	—	—	—	—
0	—	25.0%	0.05	0.00	0.00	850.00	—	—	—	—	—	—

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 TMO put/call ratio?

For the October 16, 2026 expiration, the TMO put/call ratio based on open interest is 0.79 (5,939 puts vs 7,525 calls), and 0.44 based on today's volume. A ratio above 1 means more puts than calls.

How many TMO option expiration dates are there?

TMO 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.