CTSOVSZSTK• Today (Normalized)

CTSO vs ZSTK (Cytosorbents Corporation vs ZeroStack Corp.)

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

8:51 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

ZSTK leads by +3.64% Alpha Spread Today

CTSO is trading at -3.23% while ZSTK is at +0.41% .

CTSO (-3.23%) ZSTK (0.41%)
Dominance Spread3.64% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

CTSO
Gap: +0.27 (6.92%)
$4.17
ZSTK
Gap: +0.08 (1.66%)
$4.89
Baseline Prior Closes $3.90 vs $4.81
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

CTSO
Settled close
$4.05
ZSTK
Settled close
$4.86
Verified Snapshot8:51 PM ET
Card 3 • Net Move ZSTK LEADING

Gained / Lost Today

Net return against previous session close

CTSO
$-0.14
-3.23%
ZSTK
+$0.02
+0.41%
Performance Lead +3.64% Advantage

Today's Trading Range Position

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

CTSO $4.05 (48% of range)
Low: $3.83High: $4.29
ZSTK $4.86 (83% of range)
Low: $4.56High: $4.92

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

CTSO Liquidity
Share Volume
12.5K
Est. Dollar Volume
$50.6K
ZSTK Liquidity
Share Volume
17.3K
Est. Dollar Volume
$83.8K

Session Ledger Comparison

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

MetricCTSOZSTKHead-to-Head Advantage
Today's Return-3.23% +0.41% ZSTK +3.64%
Net Dollar Move$-0.14+$0.02ZSTK higher move
Open Price$4.17$4.89 Gap: 6.92% vs 1.66%
Day High$4.29$4.92Session peaks
Day Low$3.83$4.56Session troughs
Intraday Spread$0.46$0.36High/Low spread
Share Volume12.5K17.3KZSTK more active
Est. Dollar Volume$50.6K$83.8KZSTK higher liquidity
Multi-Day Trajectory Charts•Interactive Historical Comparison

Explore CTSO vs ZSTK Over Extended Timeframes

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