S&P 500 7,757.17 +0.58%
Nasdaq 26,702.86 +1.05%
S&P/TSX 36,324.99 +0.60%
Apple 343.99 +1.32%
Nvidia 221.97 +2.54%
Microsoft 532.95 +0.20%
Shopify 244.93 +0.38%
Royal Bank 283.62 +1.23%
CAD/USD 0.7119 +0.14%
AFTER HRS · 18:25 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

CLH

CLEAN HARBORS INC
NYSE · INDUSTRIALS · HAZARDOUS WASTE MANAGEMENT
319.26
+2.98 +0.94%
USD · close Oct 21

A free account adds a watchlist, alerts when insiders, Congress or short sellers move on your tickers, and a morning brief. Sign up

Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-311.1M−62K1.99%440K2.4
2026-08-141.1M−198K2.11%426K2.6
2026-07-311.3M+158K2.48%582K2.3
2026-07-151.2M−44K2.18%369K3.1

Short Watch, all names.

Watch CLH. Know when insiders buy.
One email the day a filing lands. Free.