ISRGVSUSNA• Today (Normalized)

ISRG vs USNA (Intuitive Surgical Inc. vs USANA Health Sciences Inc.)

Showing Closing Date Range from Oct 1 to Oct 2, 2026.

Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.

WEEKEND • MARKETS CLOSED US Eastern Time (ET)

Weekend Market Recess

1:45 PM ET
2026-10-04

US markets are closed for the weekend. Displaying the most recent finalized trading session. Next regular session opens Monday at 9:30 AM ET.

Today's Alpha Margin

USNA leads by +5.45% Alpha Spread Today

ISRG is trading at -2.32% while USNA is at +3.13% .

ISRG (-2.32%) USNA (3.13%)
Dominance Spread5.45% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

ISRG
Gap: +3.91 (0.97%)
$405.15
USNA
Gap: -0.15 (-1.02%)
$14.55
Baseline Prior Closes $401.24 vs $14.70
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

ISRG
Settled close
$391.95
USNA
Settled close
$14.82
Verified Snapshot1:45 PM ET
Card 3 • Net Move USNA LEADING

Gained / Lost Today

Net return against previous session close

ISRG
$-9.29
-2.32%
USNA
+$0.45
+3.13%
Performance Lead +5.45% Advantage

Today's Trading Range Position

Where each asset is currently trading relative to its Day Low and Day High

ISRG $391.95 (4% of range)
Low: $391.40High: $406.47
USNA $14.82 (100% of range)
Low: $14.28High: $14.82

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

ISRG Liquidity
Share Volume
1.82M
Est. Dollar Volume
$714.19M
USNA Liquidity
Share Volume
112.4K
Est. Dollar Volume
$1.67M

Session Ledger Comparison

Direct side-by-side breakdown of today's key auction and price metrics

MetricISRGUSNAHead-to-Head Advantage
Today's Return-2.32% +3.13% USNA +5.45%
Net Dollar Move$-9.29+$0.45USNA higher move
Open Price$405.15$14.55 Gap: 0.97% vs -1.02%
Day High$406.47$14.82Session peaks
Day Low$391.40$14.28Session troughs
Intraday Spread$15.07$0.54High/Low spread
Share Volume1.82M112.4KISRG more active
Est. Dollar Volume$714.19M$1.67MISRG higher liquidity
Multi-Day Trajectory Charts•Interactive Historical Comparison

Explore ISRG vs USNA Over Extended Timeframes

Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.