DexCom (DXCM) Options Chain

NASDAQ: DXCMHealth CareMedical/Dental InstrumentsUSD

84.11-0.30 (-0.36%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $84.11
Put/call ratio (OI): 1.61
Put/call ratio (volume): 0.39
ATM implied volatility: 48.3%
Expected move: ±$26.82
Open interest (C / P): 1.57K / 2.54K

DXCM options summary

The DXCM options chain for the March 19, 2027 expiration lists 21 call and 15 put contracts, with 159 days until expiration. Open interest stands at 1,573 calls and 2,539 puts, a put/call ratio of 1.61, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $85.00 strike is 48.3%, which implies the market expects a move of about ±$26.82 (31.9%) in DexCom stock by expiration.

The most open interest sits at the $95.00 call (584 contracts) and the $65.00 put (778 contracts).

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

DXCM options chain · March 19, 2027

DXCM 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	10	—	39.67	0.00	0.00	35.00	0.00	0.20	0.25	59.9%	1	24
5	1	130.2%	48.60	47.80	50.60	40.00	0.00	0.30	0.15	54.5%	3	32
4	1	118.2%	43.84	42.70	46.60	45.00	0.20	0.45	0.25	53.2%	1	11
0	2	—	42.44	0.00	0.00	50.00	0.10	0.85	0.45	55.8%	4	338
0	1	—	39.00	0.00	0.00	55.00	0.55	1.25	0.77	52.4%	1	375
0	1	—	33.43	0.00	0.00	60.00	0.90	1.50	1.23	46.5%	2	149
0	1	—	18.52	0.00	0.00	65.00	1.75	2.55	1.98	46.6%	1	778
80	1	56.4%	20.05	17.50	19.80	70.00	2.90	3.50	3.10	43.6%	2	175
38	1	53.9%	16.00	14.20	16.40	75.00	4.10	5.20	4.63	43.2%	9	141
39	2	56.3%	12.60	10.20	14.30	80.00	5.90	7.10	6.10	41.7%	1	83
DXCM $84.11
257	11	50.5%	9.10	7.60	10.80	85.00	7.10	10.70	8.32	46.1%	2	67
35	2	47.1%	9.90	5.90	8.10	90.00	11.10	12.40	10.95	40.0%	2	307
584	10	50.4%	5.50	5.20	7.20	95.00	13.60	16.50	12.90	43.1%	1	57
78	1	45.9%	4.70	4.00	4.90	100.00	18.00	20.80	15.20	45.9%	2	2
74	3	52.3%	3.50	2.05	5.10	105.00	—	—	—	—	—	—
92	2	49.3%	3.29	2.15	3.60	110.00	0.00	0.00	23.30	—	—	0
86	1	46.6%	2.08	1.75	2.45	115.00	—	—	—	—	—	—
34	18	47.0%	1.70	1.00	1.95	120.00	—	—	—	—	—	—
33	1	45.5%	1.45	0.95	1.35	125.00	—	—	—	—	—	—
115	6	46.1%	0.90	0.65	1.10	130.00	—	—	—	—	—	—
19	6	49.0%	0.80	0.05	1.10	135.00	—	—	—	—	—	—

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 DXCM put/call ratio?

For the March 19, 2027 expiration, the DXCM put/call ratio based on open interest is 1.61 (2,539 puts vs 1,573 calls), and 0.39 based on today's volume. A ratio above 1 means more puts than calls.

What is DXCM's implied volatility?

At-the-money implied volatility for DXCM options expiring March 19, 2027 is about 48.3%, an annualized estimate of how much the market expects DexCom stock to move.

How many DXCM option expiration dates are there?

DXCM has 13 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.