BFLYVSSES• Today (Normalized)

BFLY vs SES (Butterfly Network Inc. vs SES AI Corporation)

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

5:14 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

SES leads by +3.54% Alpha Spread Today

BFLY is trading at +4.92% while SES is at +8.46% .

BFLY (4.92%) SES (8.46%)
Dominance Spread3.54% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

BFLY
Gap: -0.63 (-6.70%)
$8.78
SES
Gap: +0.04 (4.88%)
$0.86
Baseline Prior Closes $9.41 vs $0.82
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

BFLY
Settled close
$8.95
SES
Settled close
$0.89
Verified Snapshot5:14 PM ET
Card 3 • Net Move SES LEADING

Gained / Lost Today

Net return against previous session close

BFLY
+$0.42
+4.92%
SES
+$0.07
+8.46%
Performance Lead +3.54% Advantage

Today's Trading Range Position

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

BFLY $8.95 (100% of range)
Low: $8.65High: $8.95
SES $0.89 (100% of range)
Low: $0.77High: $0.89

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

BFLY Liquidity
Share Volume
4.48M
Est. Dollar Volume
$40.05M
SES Liquidity
Share Volume
32.17M
Est. Dollar Volume
$28.63M

Session Ledger Comparison

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

MetricBFLYSESHead-to-Head Advantage
Today's Return+4.92% +8.46% SES +3.54%
Net Dollar Move+$0.42+$0.07BFLY higher move
Open Price$8.78$0.86 Gap: -6.70% vs 4.88%
Day High$8.95$0.89Session peaks
Day Low$8.65$0.77Session troughs
Intraday Spread$0.30$0.12High/Low spread
Share Volume4.48M32.17MSES more active
Est. Dollar Volume$40.05M$28.63MBFLY higher liquidity
Multi-Day Trajectory Charts•Interactive Historical Comparison

Explore BFLY vs SES Over Extended Timeframes

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