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: Nov 6, 2026
Days to expiration: 27
Share price: $658.02
Put/call ratio (OI): 14.82
Put/call ratio (volume): 0.16
ATM implied volatility: 45.6%
Expected move: ±$81.59
Open interest (C / P): 55 / 815

TMO options summary

The TMO options chain for the November 6, 2026 expiration lists 15 call and 11 put contracts, with 27 days until expiration. Open interest stands at 55 calls and 815 puts, a put/call ratio of 14.82, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $650.00 strike is 45.6%, which implies the market expects a move of about ±$81.59 (12.4%) in Thermo Fisher Scientific stock by expiration.

The most open interest sits at the $650.00 call (35 contracts) and the $580.00 put (800 contracts).

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

TMO options chain · November 6, 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
—	—	—	—	—	—	540.00	0.00	4.90	1.25	58.6%	—	1
—	—	—	—	—	—	560.00	0.10	8.00	3.21	59.0%	1	1
—	—	—	—	—	—	580.00	2.70	9.20	3.91	52.7%	1	800
—	—	—	—	—	—	590.00	1.75	10.00	5.30	49.7%	—	1
1	—	52.5%	83.20	63.40	72.00	600.00	7.00	12.00	10.30	48.8%	2	5
—	—	—	—	—	—	610.00	6.80	13.90	10.35	47.2%	1	2
—	—	—	—	—	—	620.00	8.90	16.10	12.61	45.5%	1	4
—	—	—	—	—	—	630.00	12.20	19.60	13.16	45.3%	1	1
—	—	—	—	—	—	640.00	—	—	20.67	—	—	—
35	33	45.6%	26.10	30.00	36.50	650.00	—	—	24.49	—	—	—
TMO $658.02
1	1	46.7%	23.85	20.80	28.00	670.00	—	—	34.86	—	—	—
0	1	45.8%	37.65	17.50	23.40	680.00	—	—	—	—	—	—
—	—	—	10.80	—	—	690.00	—	—	—	—	—	—
4	1	45.2%	8.16	9.20	16.40	700.00	—	—	—	—	—	—
—	—	—	12.21	—	—	710.00	—	—	—	—	—	—
2	1	46.2%	8.41	4.10	12.00	720.00	—	—	—	—	—	—
2	1	46.2%	6.07	3.00	10.00	730.00	—	—	—	—	—	—
1	1	47.9%	4.97	1.35	9.10	740.00	—	—	—	—	—	—
2	2	50.3%	4.46	0.20	8.70	750.00	—	—	—	—	—	—
1	1	50.0%	5.50	0.05	4.90	780.00	—	—	—	—	—	—
2	1	52.6%	3.00	0.00	4.90	790.00	—	—	—	—	—	—
3	1	55.1%	2.35	0.00	4.90	800.00	—	—	—	—	—	—
1	—	57.6%	2.20	0.00	4.90	810.00	—	—	—	—	—	—

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 November 6, 2026 expiration, the TMO put/call ratio based on open interest is 14.82 (815 puts vs 55 calls), and 0.16 based on today's volume. A ratio above 1 means more puts than calls.

What is TMO's implied volatility?

At-the-money implied volatility for TMO options expiring November 6, 2026 is about 45.6%, an annualized estimate of how much the market expects Thermo Fisher Scientific stock to move.

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.