BFLYVSKOD• Today (Normalized)

BFLY vs KOD (Butterfly Network Inc. vs Kodiak Sciences Inc)

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

4:18 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

BFLY leads by +8.99% Alpha Spread Today

BFLY is trading at +4.92% while KOD is at -4.07% .

BFLY (4.92%) KOD (-4.07%)
Dominance Spread8.99% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

BFLY
Gap: -0.63 (-6.70%)
$8.78
KOD
Gap: +7.83 (8.59%)
$98.95
Baseline Prior Closes $9.41 vs $91.12
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

BFLY
Settled close
$8.95
KOD
Settled close
$94.45
Verified Snapshot4:18 PM ET
Card 3 • Net Move BFLY LEADING

Gained / Lost Today

Net return against previous session close

BFLY
+$0.42
+4.92%
KOD
$-4.01
-4.07%
Performance Lead +8.99% 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
KOD $94.45 (56% of range)
Low: $88.63High: $98.95

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

BFLY Liquidity
Share Volume
4.48M
Est. Dollar Volume
$40.05M
KOD Liquidity
Share Volume
2.67M
Est. Dollar Volume
$252.36M

Session Ledger Comparison

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

MetricBFLYKODHead-to-Head Advantage
Today's Return+4.92% -4.07% BFLY +8.99%
Net Dollar Move+$0.42$-4.01BFLY higher move
Open Price$8.78$98.95 Gap: -6.70% vs 8.59%
Day High$8.95$98.95Session peaks
Day Low$8.65$88.63Session troughs
Intraday Spread$0.30$10.32High/Low spread
Share Volume4.48M2.67MBFLY more active
Est. Dollar Volume$40.05M$252.36MKOD higher liquidity
Multi-Day Trajectory Charts•Interactive Historical Comparison

Explore BFLY vs KOD Over Extended Timeframes

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