SION vs ZS (Sionna Therapeutics Inc. vs Zscaler, Inc.)
Showing Closing Date Range from Sep, 13 to Sep, 14, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
Today's Session Official Close
The regular trading session has completed and official closing prices are verified as of 8:54 PM ET. All metrics below represent finalized session performance.
ZS leads by +11.30% Alpha Spread Today
SION is trading at +5.22% while ZS is at +16.52% .
Started At
Official opening auction price
Closed At
Official exchange closing price
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 | SION | ZS | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | +5.22% | +16.52% | ZS +11.30% |
| Net Dollar Move | +$0.41 | +$27.19 | ZS higher move |
| Open Price | $7.84 | $172.23 | Gap: -0.13% vs 4.67% |
| Day High | $8.54 | $194.12 | Session peaks |
| Day Low | $7.84 | $170.06 | Session troughs |
| Intraday Spread | $0.70 | $24.06 | High/Low spread |
| Share Volume | 1.21M | 7.52M | ZS more active |
| Est. Dollar Volume | $9.98M | $1.44B | ZS higher liquidity |
Explore SION vs ZS Over Extended Timeframes
Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.