IMSRVSRPID• Today (Normalized)
Terrestrial Energy Inc. logo
Rapid Micro Biosystems Inc. logo

IMSR vs RPID (Terrestrial Energy Inc. vs Rapid Micro Biosystems 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

7:54 AM ET
2026-09-12

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

RPID leads by +12.29% Alpha Spread Today

IMSR is trading at -9.79% while RPID is at +2.50% .

IMSR (-9.79%) RPID (2.50%)
Dominance Spread12.29% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

IMSR
Gap: +0.00 (0.00%)
$5.26
RPID
Gap: +0.02 (1.67%)
$1.22
Baseline Prior Closes $5.26 vs $1.20
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

IMSR
Settled close
$4.75
RPID
Settled close
$1.23
Verified Snapshot7:54 AM ET
Card 3 • Net Move RPID LEADING

Gained / Lost Today

Net return against previous session close

IMSR
$-0.52
-9.79%
RPID
+$0.03
+2.50%
Performance Lead +12.29% Advantage

Today's Trading Range Position

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

IMSR $4.75 (4% of range)
Low: $4.73High: $5.26
RPID $1.23 (50% of range)
Low: $1.20High: $1.26

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

IMSR Liquidity
Share Volume
2.34M
Est. Dollar Volume
$11.10M
RPID Liquidity
Share Volume
205.7K
Est. Dollar Volume
$253.0K

Session Ledger Comparison

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

MetricIMSRRPIDHead-to-Head Advantage
Today's Return-9.79% +2.50% RPID +12.29%
Net Dollar Move$-0.52+$0.03RPID higher move
Open Price$5.26$1.22 Gap: 0.00% vs 1.67%
Day High$5.26$1.26Session peaks
Day Low$4.73$1.20Session troughs
Intraday Spread$0.53$0.06High/Low spread
Share Volume2.34M205.7KIMSR more active
Est. Dollar Volume$11.10M$253.0KIMSR higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore IMSR vs RPID Over Extended Timeframes

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