ONVSSPOK• Today (Normalized)
ON Semiconductor Corporation logo
Spok Holdings Inc. logo

ON vs SPOK (ON Semiconductor Corporation vs Spok Holdings Inc.)

Showing Closing Date Range from Sep, 10 to Sep, 11, 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

9:42 AM ET
2026-09-13

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

ON leads by +8.32% Alpha Spread Today

ON is trading at +8.51% while SPOK is at +0.19% .

ON (8.51%) SPOK (0.19%)
Dominance Spread8.32% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

ON
Gap: +0.81 (1.15%)
$70.98
SPOK
Gap: +0.05 (0.47%)
$10.68
Baseline Prior Closes $70.17 vs $10.63
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

ON
Settled close
$76.14
SPOK
Settled close
$10.65
Verified Snapshot9:42 AM ET
Card 3 • Net Move ON LEADING

Gained / Lost Today

Net return against previous session close

ON
+$5.97
+8.51%
SPOK
+$0.02
+0.19%
Performance Lead +8.32% Advantage

Today's Trading Range Position

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

ON $76.14 (99% of range)
Low: $70.38High: $76.19
SPOK $10.65 (38% of range)
Low: $10.62High: $10.70

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

ON Liquidity
Share Volume
11.29M
Est. Dollar Volume
$859.25M
SPOK Liquidity
Share Volume
86.4K
Est. Dollar Volume
$920.2K

Session Ledger Comparison

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

MetricONSPOKHead-to-Head Advantage
Today's Return+8.51% +0.19% ON +8.32%
Net Dollar Move+$5.97+$0.02ON higher move
Open Price$70.98$10.68 Gap: 1.15% vs 0.47%
Day High$76.19$10.70Session peaks
Day Low$70.38$10.62Session troughs
Intraday Spread$5.81$0.08High/Low spread
Share Volume11.29M86.4KON more active
Est. Dollar Volume$859.25M$920.2KON higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore ON vs SPOK Over Extended Timeframes

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