ASPN vs SES (Aspen Aerogels 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 Market Recess
US markets are closed for the weekend. Displaying the most recent finalized trading session. Next regular session opens Monday at 9:30 AM ET.
SES leads by +6.12% Alpha Spread Today
ASPN is trading at +2.34% while SES is at +8.46% .
Started At
Official opening auction price
Closed At
Finalized regular session close
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 | SES | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | +2.34% | +8.46% | SES +6.12% |
| Net Dollar Move | +$0.13 | +$0.07 | ASPN higher move |
| Open Price | $5.67 | $0.86 | Gap: 3.47% vs 4.88% |
| Day High | $5.82 | $0.89 | Session peaks |
| Day Low | $5.65 | $0.77 | Session troughs |
| Intraday Spread | $0.17 | $0.12 | High/Low spread |
| Share Volume | 838.8K | 32.17M | SES more active |
| Est. Dollar Volume | $4.77M | $28.63M | SES higher liquidity |
Explore ASPN 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.