AVTRVSCTKB• Today (Normalized)
Avantor Inc. logo
Cytek Biosciences Inc. logo

AVTR vs CTKB (Avantor Inc. vs Cytek Biosciences Inc.)

Showing Closing Date Range from Sep, 17 to Sep, 18, 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

1:41 PM ET
2026-09-19

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

CTKB leads by +3.87% Alpha Spread Today

AVTR is trading at -2.14% while CTKB is at +1.73% .

AVTR (-2.14%) CTKB (1.73%)
Dominance Spread3.87% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

AVTR
Gap: +0.01 (0.06%)
$15.87
CTKB
Gap: -0.12 (-2.30%)
$5.09
Baseline Prior Closes $15.86 vs $5.21
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

AVTR
Settled close
$15.52
CTKB
Settled close
$5.30
Verified Snapshot1:41 PM ET
Card 3 • Net Move CTKB LEADING

Gained / Lost Today

Net return against previous session close

AVTR
$-0.34
-2.14%
CTKB
+$0.09
+1.73%
Performance Lead +3.87% Advantage

Today's Trading Range Position

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

AVTR $15.52 (17% of range)
Low: $15.44High: $15.90
CTKB $5.30 (91% of range)
Low: $5.09High: $5.32

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

AVTR Liquidity
Share Volume
14.83M
Est. Dollar Volume
$230.09M
CTKB Liquidity
Share Volume
2.09M
Est. Dollar Volume
$11.06M

Session Ledger Comparison

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

MetricAVTRCTKBHead-to-Head Advantage
Today's Return-2.14% +1.73% CTKB +3.87%
Net Dollar Move$-0.34+$0.09CTKB higher move
Open Price$15.87$5.09 Gap: 0.06% vs -2.30%
Day High$15.90$5.32Session peaks
Day Low$15.44$5.09Session troughs
Intraday Spread$0.46$0.23High/Low spread
Share Volume14.83M2.09MAVTR more active
Est. Dollar Volume$230.09M$11.06MAVTR higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore AVTR vs CTKB Over Extended Timeframes

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