Intuitive Surgical (ISRG) Options Chain

NASDAQ: ISRGHealth CareIndustrial SpecialtiesUSD

423.96+8.55 (+2.06%)

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

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 12
Share price: $423.96
Put/call ratio (OI): 0.81
Put/call ratio (volume): 2.15
ATM implied volatility: 57.1%
Expected move: ±$43.91
Open interest (C / P): 1.75K / 1.41K

ISRG options summary

The ISRG options chain for the October 23, 2026 expiration lists 30 call and 29 put contracts, with 12 days until expiration. Open interest stands at 1,745 calls and 1,410 puts, a put/call ratio of 0.81, which is fairly balanced between calls and puts. At-the-money implied volatility near the $425.00 strike is 57.1%, which implies the market expects a move of about ±$43.91 (10.4%) in Intuitive Surgical stock by expiration.

The most open interest sits at the $425.00 call (481 contracts) and the $415.00 put (462 contracts).

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

ISRG options chain · October 23, 2026

ISRG 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
—	—	—	—	—	—	280.00	0.00	4.30	1.60	138.6%	—	1
—	—	—	—	—	—	290.00	0.00	2.20	0.15	112.7%	13	2
—	—	—	—	—	—	295.00	0.00	0.90	0.50	93.4%	1	8
—	—	—	—	—	—	300.00	0.00	1.00	0.88	91.0%	3	65
—	—	—	—	—	—	305.00	0.00	4.40	0.75	115.1%	1	15
—	—	—	—	—	—	310.00	0.00	4.50	1.00	111.1%	1	2
—	—	—	—	—	—	315.00	0.00	4.50	0.20	106.5%	1	17
—	—	—	—	—	—	320.00	0.00	0.80	1.55	73.4%	1	13
—	—	—	—	—	—	325.00	0.00	4.70	0.55	98.4%	2	26
—	—	—	—	—	—	330.00	0.30	1.45	0.60	76.0%	9	42
—	—	—	—	—	—	335.00	0.00	2.15	1.43	75.2%	8	9
—	—	—	—	—	—	340.00	0.00	2.80	0.74	75.3%	287	8
—	—	—	—	—	—	345.00	0.45	1.70	0.80	67.4%	138	13
22	1	80.2%	55.38	73.70	79.90	350.00	0.30	2.80	1.61	68.9%	2	38
16	1	71.8%	42.00	67.50	75.10	355.00	0.40	2.75	4.19	65.1%	1	66
4	1	76.3%	46.96	64.70	70.40	360.00	1.00	2.60	1.60	63.0%	2	6
3	1	74.1%	53.57	60.10	65.80	365.00	1.20	5.20	5.20	69.2%	5	46
11	1	71.0%	41.27	54.90	61.60	370.00	2.05	3.00	2.40	60.2%	8	109
18	1	71.2%	37.50	50.80	57.60	375.00	2.25	6.50	3.30	66.7%	5	62
13	1	68.0%	38.20	46.20	53.00	380.00	1.45	4.60	3.39	54.4%	6	31
12	1	62.2%	45.14	40.30	48.60	385.00	3.40	8.70	5.90	64.8%	13	60
50	1	64.7%	41.00	38.80	43.70	390.00	1.10	9.50	5.30	56.2%	11	103
27	1	63.7%	28.30	33.70	41.10	395.00	2.20	10.70	7.20	55.8%	3	18
91	12	59.9%	32.90	31.40	34.50	400.00	4.90	9.10	7.45	52.4%	6	51
18	4	62.8%	29.98	27.80	33.20	405.00	5.50	10.90	14.64	51.0%	10	22
48	19	58.1%	26.99	22.10	30.00	410.00	9.10	15.20	11.86	58.3%	1	21
111	42	58.5%	24.43	20.90	25.70	415.00	9.20	17.10	12.85	54.7%	4	462
54	29	58.0%	21.59	16.30	24.60	420.00	11.40	19.30	15.50	54.4%	7	92
ISRG $423.96
481	20	56.5%	19.35	15.00	20.10	425.00	16.00	21.90	16.90	57.7%	5	2
68	17	59.8%	15.70	14.60	18.10	430.00	—	—	—	—	—	—
16	14	55.5%	13.59	9.90	16.00	435.00	—	—	—	—	—	—
89	5	60.1%	11.90	10.80	14.30	440.00	—	—	—	—	—	—
57	2	56.4%	10.00	9.10	10.50	445.00	—	—	—	—	—	—
26	12	55.1%	9.10	4.10	11.90	450.00	—	—	—	—	—	—
98	5	56.6%	7.30	6.30	8.00	455.00	—	—	—	—	—	—
226	18	57.1%	5.71	5.00	7.30	460.00	—	—	—	—	—	—
15	18	56.8%	4.80	2.15	8.10	465.00	—	—	—	—	—	—
109	12	58.8%	4.63	1.15	4.70	470.00	—	—	—	—	—	—
48	1	57.5%	2.15	1.00	3.70	475.00	—	—	—	—	—	—
11	18	60.7%	2.85	1.50	5.80	480.00	—	—	—	—	—	—
1	—	59.9%	1.84	0.35	3.70	495.00	—	—	—	—	—	—
1	—	53.0%	0.83	0.00	1.50	505.00	—	—	—	—	—	—
1	—	72.7%	1.29	0.05	5.20	510.00	—	—	—	—	—	—

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 ISRG put/call ratio?

For the October 23, 2026 expiration, the ISRG put/call ratio based on open interest is 0.81 (1,410 puts vs 1,745 calls), and 2.15 based on today's volume. A ratio above 1 means more puts than calls.

What is ISRG's implied volatility?

At-the-money implied volatility for ISRG options expiring October 23, 2026 is about 57.1%, an annualized estimate of how much the market expects Intuitive Surgical stock to move.

How many ISRG option expiration dates are there?

ISRG has 16 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.