ICON (ICLR) Options Chain

NASDAQ: ICLRHealth CareBiotechnology: Commercial Physical & Biological ResarchUSD

164.50+0.42 (+0.26%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

After hours: 164.50 0.00%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $164.50
Put/call ratio (OI): 0.53
Put/call ratio (volume): 0.98
ATM implied volatility: 55.2%
Expected move: ±$13.45
Open interest (C / P): 1.54K / 818

ICLR options summary

The ICLR options chain for the October 16, 2026 expiration lists 25 call and 24 put contracts, with 8 days until expiration. Open interest stands at 1,539 calls and 818 puts, a put/call ratio of 0.53, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $165.00 strike is 55.2%, which implies the market expects a move of about ±$13.45 (8.2%) in ICON stock by expiration.

The most open interest sits at the $210.00 call (580 contracts) and the $165.00 put (599 contracts).

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

ICLR options chain · October 16, 2026

ICLR 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
—	—	—	—	—	—	55.00	0.00	2.55	1.55	424.5%	—	2
—	—	—	—	—	—	65.00	0.00	0.00	1.08	50.0%	1	0
—	—	—	—	—	—	70.00	0.00	1.95	1.75	320.9%	1	9
6	6	559.7%	96.23	96.80	100.90	75.00	0.00	0.00	1.09	50.0%	1	0
—	—	—	—	—	—	80.00	0.00	1.95	3.00	275.9%	5	12
—	—	—	—	—	—	85.00	0.00	0.00	4.80	50.0%	2	0
45	79	—	25.10	63.00	66.90	90.00	0.00	1.10	1.05	211.6%	1	9
—	—	—	—	—	—	95.00	0.00	0.00	12.00	50.0%	—	0
2	1	401.2%	70.84	72.10	76.10	100.00	0.00	0.00	2.70	50.0%	34	0
1	1	—	24.64	42.60	46.10	105.00	0.00	2.20	3.00	189.0%	1	2
11	10	348.6%	60.45	62.20	66.20	110.00	0.00	0.00	5.50	50.0%	1	0
14	1	149.9%	47.70	48.20	52.60	115.00	0.00	2.30	0.75	158.6%	1	4
5	5	—	24.18	38.70	42.00	120.00	0.00	2.15	2.45	141.0%	10	14
0	5	—	30.00	0.00	0.00	125.00	0.00	2.15	2.70	126.3%	10	23
0	1	—	24.70	0.00	0.00	130.00	0.00	2.20	1.91	112.7%	20	25
6	4	70.8%	36.70	27.80	31.70	135.00	0.00	2.25	2.45	99.2%	21	29
8	2	59.8%	26.00	22.80	26.70	140.00	—	—	—	—	—	—
5	—	212.1%	21.70	29.80	33.50	145.00	0.00	2.40	1.43	72.8%	2	14
15	6	79.3%	14.00	13.10	17.10	150.00	0.00	2.40	1.10	58.6%	1	30
11	11	70.6%	11.00	9.40	12.80	155.00	0.00	3.30	2.38	50.4%	1	8
13	10	67.1%	14.00	5.30	9.30	160.00	0.50	4.80	2.70	67.1%	5	15
ICLR $164.50
41	1	63.5%	4.90	2.30	6.30	165.00	3.10	5.10	4.67	47.0%	156	599
71	1	50.1%	2.40	1.50	4.40	170.00	6.00	9.30	7.40	58.9%	21	22
518	2	50.8%	0.85	0.00	3.40	175.00	—	—	—	—	—	—
89	1	59.4%	1.39	0.00	2.85	180.00	14.10	17.90	21.71	72.6%	—	1
33	1	60.3%	0.32	0.00	1.70	185.00	—	—	—	—	—	—
13	9	65.8%	0.30	0.20	1.15	190.00	—	—	—	—	—	—
10	2	83.5%	0.10	0.10	2.05	195.00	—	—	—	—	—	—
30	2	84.5%	0.12	0.05	1.45	200.00	34.00	37.40	26.80	65.2%	16	0
580	156	83.7%	0.26	0.05	0.55	210.00	—	—	—	—	—	—
12	1	152.1%	0.10	0.00	4.90	220.00	—	—	—	—	—	—

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 ICLR put/call ratio?

For the October 16, 2026 expiration, the ICLR put/call ratio based on open interest is 0.53 (818 puts vs 1,539 calls), and 0.98 based on today's volume. A ratio above 1 means more puts than calls.

What is ICLR's implied volatility?

At-the-money implied volatility for ICLR options expiring October 16, 2026 is about 55.2%, an annualized estimate of how much the market expects ICON stock to move.

How many ICLR option expiration dates are there?

ICLR has 8 listed expiration dates, from Oct 16, 2026 to Nov 19, 2027.

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.