ASPN vs CISS (Aspen Aerogels Inc. vs C3is 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.
Before the Regular Session
Current time is 3:24 AM ET. The regular US trading session begins at 9:30 AM ET. Showing closing prices from the prior official trading session.
ASPN leads by +6.47% Alpha Spread Today
ASPN is trading at +2.34% while CISS is at -4.13% .
Started At
Official opening auction price
Previous Close
Baseline for today's market open
Gained / Lost Today
Net return against previous session close
Today's Trading Range Position
Where each asset is currently trading relative to its Day Low and Day High
Session Liquidity & Volume
Trading activity, share volume, and estimated dollar liquidity
Session Ledger Comparison
Direct side-by-side breakdown of today's key auction and price metrics
| Metric | ASPN | CISS | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | +2.34% | -4.13% | ASPN +6.47% |
| Net Dollar Move | +$0.13 | $-0.04 | ASPN higher move |
| Open Price | $5.67 | $0.90 | Gap: 3.47% vs 3.45% |
| Day High | $5.82 | $0.97 | Session peaks |
| Day Low | $5.65 | $0.82 | Session troughs |
| Intraday Spread | $0.17 | $0.15 | High/Low spread |
| Share Volume | 838.8K | 423.4K | ASPN more active |
| Est. Dollar Volume | $4.77M | $351.4K | ASPN higher liquidity |
Explore ASPN vs CISS Over Extended Timeframes
Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.