COHR +10.7%: an unusually large move for this stock

Prove it

Every claim on the graphic, labelled: observed (straight from the data), calculated (worked out from it), or possible contributor (lines up in time, not a confirmed cause).

• OBSERVED
  COHR +10.7% todayOct 1, 2026, 4:35 PM ET
• OBSERVED
  Its sector fund (XLI) +1.1% todayOct 1, 2026, 4:35 PM ET
• CALCULATED
  9.7 points more than its sectorHow: stock return − sector fund return · Oct 1, 2026, 4:35 PM ET
• OBSERVED
  S&P 500 (SPY) +0.3% todayOct 1, 2026, 4:35 PM ET
• CALCULATED
  Volume 1.6× its 20-day averageHow: today’s volume ÷ average of the last 20 days · Oct 1, 2026, 4:35 PM ET
• CALCULATED
  Bigger than 95% of its daily moves over the past 250 trading daysHow: share of past daily moves smaller in size · Oct 1, 2026, 4:35 PM ET
• POSSIBLE CONTRIBUTOR
  News: “What's going on in today's session: S&P500 movers”Published around the move. Timing only, not a confirmed cause. · Oct 1, 2026, 3:05 PM ET
• POSSIBLE CONTRIBUTOR
  News: “Which S&P500 stocks are moving on Thursday?”Published around the move. Timing only, not a confirmed cause. · Oct 1, 2026, 12:35 PM ET