DYN vs SI (Dyne Therapeutics Inc. vs Shoulder Innovations Inc.)
Showing Closing Date Range from Oct 4 to Oct 5, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
US Market Trading Session Active
Active trading session is live as of 12:43 PM ET. Prices update dynamically and reflect the latest trade records across major US exchanges. Official closing prices settle after 4:00 PM ET.
SI leads by +1.16% Alpha Spread Today
DYN is trading at +0.23% while SI is at +1.39% .
Started At
Official opening auction price
Last Recorded Trade Price
Last recorded trade as of 12:43 PM ET
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 | DYN | SI | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | +0.23% | +1.39% | SI +1.16% |
| Net Dollar Move | +$0.04 | +$0.26 | SI higher move |
| Open Price | $15.31 | $18.89 | Gap: 0.72% vs 1.02% |
| Day High | $15.49 | $19.49 | Session peaks |
| Day Low | $15.08 | $18.55 | Session troughs |
| Intraday Spread | $0.41 | $0.94 | High/Low spread |
| Share Volume | 1.70M | 144.4K | DYN more active |
| Est. Dollar Volume | $25.88M | $2.74M | DYN higher liquidity |
Explore DYN vs SI Over Extended Timeframes
Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.