10 Day Snapshot for ISRG

Data as of Oct 19, 2026

Ten trading days of price, volume, volatility, and open-interest history. The highest value in each row is green, the lowest red.

DATA IS DELAYED — showing Oct 19, 2026. Subscribe to get the latest end-of-day data.

Last

460.56

Change

+7.76

Open

456.66

452.80

High

463.00

Low

454.04

Bid

Ask

Volume

2,138,514

Trades

Dividend

Yield

Ex-Div

Split Date

Impl Vol

37.2%

Hist Vol

35.6%

Opt Volume

2,656

Open Int

119,135

10 Day Snapshot	10-06	10-07	10-08	10-09	10-12	10-13	10-14	10-15	10-16	10-19
Stock Price	404.76	414.52	415.41	423.96	427.64	422.06	420.24	427.86	426.70	433.18
Price Change	-1.72	9.76	0.89	8.55	3.68	-5.58	-1.82	7.62	-1.16	6.48
Stock Volume	1.62M	1.89M	2.53M	1.76M	1.60M	1.73M	1.91M	2.01M	2.57M	2.47M
Historical Volatility	0.368	0.368	0.367	0.368	0.366	0.366	0.366	0.366	0.366	0.366
Implied Volatility	0.417	0.397	0.379	0.387	0.404	0.445	0.550	0.566	0.645	0.721
Call IVol	0.426	0.369	0.379	0.402	0.424	0.464	0.500	0.571	0.637	0.715
Put IVol	0.413	0.451	0.378	0.333	0.366	0.429	0.623	0.558	0.664	0.748
Option Volume	4.18K	5.06K	3.44K	10.18K	5.21K	3.78K	3.63K	5.18K	6.32K	10.56K
Call Volume	2.63K	3.56K	2.19K	6.65K	2.43K	1.75K	1.85K	2.97K	4.57K	5.04K
Put Volume	1.55K	1.50K	1.25K	3.53K	2.78K	2.02K	1.77K	2.21K	1.75K	5.53K
Open Interest	135.79K	138.07K	139.48K	136.89K	138.63K	140.33K	141.66K	143.07K	121.70K	100.27K
Call Open Interest	74.06K	75.72K	76.60K	74.86K	75.69K	76.72K	77.22K	77.93K	66.87K	55.89K
Put Open Interest	61.73K	62.35K	62.88K	62.03K	62.94K	63.61K	64.43K	65.14K	54.83K	44.38K
Put/Call Ratio	0.83	0.82	0.82	0.83	0.83	0.83	0.83	0.84	0.82	0.79
Call/Put IVol Ratio	1.031	0.817	1.005	1.205	1.161	1.081	0.803	1.022	0.959	0.956
Strike Peg (11-20)	354.87	356.17	356.35	356.96	360.49	361.05	364.13	364.15	365.23	365.86
Strike Peg (12-18)	385.08	385.01	384.87	385.02	384.94	384.97	385.00	385.05	385.11	385.34