Why is ISRG Down Today?

ISRG
$428.12
▼ -2.26% ($-9.88)
Last updated: Oct 21, 2026 9:49 PM ET

Overall Confidence: 50%

50% Confident

Based on news, social sentiment, options activity, and sector analysis

PENDING 50% Confidence
🎯 Analysis In Progress
ISRG is down 2.3% today. Full analysis will be available shortly.

✅ Move Confirmation

HIGH VOLUME 2.2x average volume

DISTRIBUTION - This move is backed by significant volume and appears sustainable.

Market Comparison

ISRG is significantly underperforming the market (-2.8% vs SPY)
S&P 500
SPY
+0.53%
Nasdaq 100
QQQ
+1.05%
ISRG
This Stock
-2.26%
vs S&P 500: -2.79%
vs Nasdaq: -3.31%

📊 What Happens Next?

Probability Analysis

50% chance this move continues in the next 1-3 days

Expected Range

Based on historical patterns and options pricing, ISRG is expected to trade between:
$415.28 - $440.96

🔔 Get ISRG Alerts

We'll notify you when ISRG's trend changes or a new signal fires.

Last updated: Oct 21, 2026 9:49 PM
Data refreshes every 30 minutes during market hours

Frequently Asked Questions

Why is ISRG stock down today?

ISRG is down 2.3% today. Full analysis will be available shortly.

Is ISRG stock a buy or sell right now?

Based on current analysis, ISRG shows 50% confidence in today's move. Volume is high which supports the trend. View full buy/sell analysis →

What is the ISRG stock price target?

ISRG is currently trading at $428.12. Based on today's momentum, the expected short-term range is $415.28 - $440.96. See long-term price prediction →

Will ISRG stock continue falling?

Our analysis shows a 50% probability that ISRG's move continues in the next 1-3 days.

Is ISRG stock oversold or overbought?

ISRG's RSI (Relative Strength Index) is currently at 61.1. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for ISRG stock?

ISRG's 10-day momentum indicator is at 13.6. Strong bullish momentum - the stock is gaining significant upward force. This often precedes continued gains.

Is ISRG outperforming or underperforming the market?

ISRG (-2.26%) is currently significantly underperforming the market (-2.8% vs SPY). Today, the S&P 500 (SPY) is up 0.53%, and Nasdaq (QQQ) is up 1.05%.

What does MACD indicate for ISRG?

ISRG's MACD (11.86) is currently above the signal line (11.19), indicating a bullish trend. This technical signal suggests buying pressure is dominant. The trend strength (ADX: 17.1) is weak.

Is ISRG in an uptrend or downtrend?

Based on moving average analysis, ISRG is in a bullish trend. The price ($428.12) is trading above both the 20-day SMA ($416.02) and 50-day SMA ($394.19). This alignment typically indicates sustained upward momentum.

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