KALA vs PRME (KALA BIO Inc. vs Prime Medicine Inc.)
Showing Closing Date Range from Sep, 14 to Sep, 15, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
Pre-Market Session In Progress
Current time is 9:22 AM ET. The regular US trading session begins at 9:30 AM ET. Showing closing prices from the prior official trading session.
PRME leads by +4.84% Alpha Spread Today
KALA is trading at -6.10% while PRME is at -1.26% .
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 | KALA | PRME | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | -6.10% | -1.26% | PRME +4.84% |
| Net Dollar Move | $-0.03 | $-0.04 | KALA higher move |
| Open Price | $0.55 | $3.18 | Gap: 1.85% vs 0.00% |
| Day High | $0.55 | $3.22 | Session peaks |
| Day Low | $0.50 | $3.00 | Session troughs |
| Intraday Spread | $0.05 | $0.22 | High/Low spread |
| Share Volume | 180.1K | 2.57M | PRME more active |
| Est. Dollar Volume | $91.9K | $8.08M | PRME higher liquidity |
Explore KALA vs PRME Over Extended Timeframes
Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.