ONVSZD• Today (Normalized)
ON Semiconductor Corporation logo
Ziff Davis Inc. logo

ON vs ZD (ON Semiconductor Corporation vs Ziff Davis Inc.)

Showing Closing Date Range from Sep, 13 to Sep, 14, 2026.

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

PRE-MARKET HOURS US Eastern Time (ET)

Pre-Market Session In Progress

7:12 AM ET
2026-09-15

Current time is 7:12 AM ET. The regular US trading session begins at 9:30 AM ET. Showing closing prices from the prior official trading session.

Today's Alpha Margin

ZD leads by +7.91% Alpha Spread Today

ON is trading at -5.90% while ZD is at +2.01% .

ON (-5.90%) ZD (2.01%)
Dominance Spread7.91% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

ON
Gap: -3.76 (-4.94%)
$72.38
ZD
Gap: +0.23 (0.41%)
$56.45
Baseline Prior Closes $76.14 vs $56.22
Card 2 • Execution PRIOR SESSION

Previous Close

Baseline for today's market open

ON
Latest snapshot
$71.65
ZD
Latest snapshot
$57.35
Verified Snapshot7:12 AM ET
Card 3 • Net Move ZD LEADING

Gained / Lost Today

Net return against previous session close

ON
$-4.49
-5.90%
ZD
+$1.13
+2.01%
Performance Lead +7.91% Advantage

Today's Trading Range Position

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

ON $71.65 (11% of range)
Low: $71.46High: $73.14
ZD $57.35 (87% of range)
Low: $56.04High: $57.55

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

ON Liquidity
Share Volume
12.42M
Est. Dollar Volume
$889.56M
ZD Liquidity
Share Volume
755.8K
Est. Dollar Volume
$43.35M

Session Ledger Comparison

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

MetricONZDHead-to-Head Advantage
Today's Return-5.90% +2.01% ZD +7.91%
Net Dollar Move$-4.49+$1.13ZD higher move
Open Price$72.38$56.45 Gap: -4.94% vs 0.41%
Day High$73.14$57.55Session peaks
Day Low$71.46$56.04Session troughs
Intraday Spread$1.68$1.51High/Low spread
Share Volume12.42M755.8KON more active
Est. Dollar Volume$889.56M$43.35MON higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore ON vs ZD Over Extended Timeframes

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