Skip to main content
Join free

ISRG

Intuitive Surgical Inc.
428.12−9.90 (−2.26%)Close of Oct 21, 2026. Updated after each close.

Squeeze, trend and stretch for ISRG, read from our ThinkOrSwim tools after the close.

ISRG daily chart, Jul 29 to Oct 21, 2026Daily candles with the VMA line. ISRG closed at 428.12 on Oct 21, 2026, above a VMA of 413.73. The strip under the chart shows the Market Pulse stage for each session: Acceleration on 12 of the last 12.360380400420440Jul 29Sep 1Oct 1428.12ISRG daily chart, Sep 10 to Oct 21, 2026Daily candles with the VMA line. ISRG closed at 428.12 on Oct 21, 2026, above a VMA of 413.73. The strip under the chart shows the Market Pulse stage for each session: Acceleration on 12 of the last 12.350375400Sep 10Oct 1428.12
VMAAccelerationAccumulationDistributionDecelerationStrip: Market Pulse stage per daily session.
On this page

ISRG on Oct 21

ISRG closed down 2.26%. It is in a squeeze on 11 of 12 timeframes, Market Pulse is in the Acceleration stage, and price is 1.1 ATR above its VMA.

Squeeze

In a squeeze on 11 of 12 timeframes.

Daily: loose squeeze for 1 bar, momentum falling. The 39m squeeze fired on Oct 21.

See it in MTF Squeeze
Slingshot triggers in Squeeze Setups
WkD4h195m130m2h78m1h39m30m15m5m

In a squeeze Fired None. Join free for each timeframe's tier and bar count.

Trend

Market Pulse is green, in the Acceleration stage.

Acceleration since Oct 5, 13 sessions in a row, and on 12 of the last 12.

Market Pulse indicator
Stretch

1.1 ATR above its VMA.

428.12 against a VMA of 413.73, 3.48% above.

428.12Close
413.73VMA
12.74Daily ATR
Relative

Down on a day SPY rose.

SPY rose on Oct 21.

−2.26%ISRG
+0.53%SPY

Opening range, Oct 21

30-minute range: 398.99 to 432.49, $33.50 wide

Price broke above the high in the 12:00 PM ET bar, then closed back inside the range at 428.12.

ISRG 5-minute chart, Oct 21, 2026, with the 30-minute opening rangeThe first 30 minutes ran from 398.99 to 432.49. Price broke above the high in the 12:00 PM ET bar, then closed back inside the range at 428.12.432.49398.999:3010:3011:30Breaks the high, 12:00 PM12:301:302:303:30ISRG 5-minute chart, Oct 21, 2026, with the 30-minute opening rangeThe first 30 minutes ran from 398.99 to 432.49. Price broke above the high in the 12:00 PM ET bar, then closed back inside the range at 428.12.432.49398.999:3011:30Breaks the high, 12:00 PM1:303:30

Backtest every ISRG breakout in ORB Setups

ISRG Volatility Box levels

Everything above is free. These rows are where ISRG is statistically stretched, from the aggressive and conservative Volatility Box models on daily and hourly data.

LevelDaily, aggressiveDaily, conservativeHourly, aggressiveHourly, conservative
Upper 3
Upper 2
Upper 1
Last close428.12428.12428.12428.12
Lower 1
Lower 2
Lower 3

ISRG's daily and hourly levels are in Stock Volatility Box ($169 a month) and the Bundle.

See plans

ISRG questions

Is ISRG in a squeeze?

Yes. As of the Oct 21, 2026 close, ISRG is in a squeeze on 11 of the 12 timeframes we track. Daily: loose squeeze for 1 bar, momentum falling. The 39m squeeze fired on Oct 21.

Is ISRG in an uptrend?

Yes. Market Pulse has ISRG in the Acceleration stage: price above its VMA with the 8, 21 and 34-bar VWMAs stacked up. Acceleration since Oct 5, 13 sessions in a row, and on 12 of the last 12.

What was ISRG's opening range on Oct 21?

The first 30 minutes ran from 398.99 to 432.49, a range of $33.50. Price broke above the high in the 12:00 PM ET bar, then closed back inside the range at 428.12.

Where are ISRG's Volatility Box levels?

Stock Volatility Box and Bundle members see ISRG's daily and hourly levels on this page and in the Volatility Box platform.

Free tools for reading ISRG

Multi-Time Frame (MTF) Squeeze Indicator for ThinkOrSwimIndicators · BeginnerMarket Pulse Indicator for ThinkOrSwim: Find the 4 Market StagesIndicators · Beginner-FriendlyOpening Range Breakout (ORB) Indicator for ThinkOrSwimIndicators · Advanced

Read any symbol free

A free account shows each timeframe's squeeze tier and bar count on every symbol page, and unlocks the code for every free tool.

No credit card. Unsubscribe anytime.