DASH −6.3%: 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
  DASH −6.3% todaySep 28, 2026, 1:35 PM ET
• OBSERVED
  Its sector fund (XLY) −1.0% todaySep 28, 2026, 1:35 PM ET
• CALCULATED
  5.3 points less than its sectorHow: stock return − sector fund return · Sep 28, 2026, 1:35 PM ET
• OBSERVED
  S&P 500 (SPY) −0.5% todaySep 28, 2026, 1:35 PM ET
• CALCULATED
  Volume 0.9× its 20-day averageHow: today’s volume ÷ average of the last 20 days · Sep 28, 2026, 1:35 PM ET
• CALCULATED
  Bigger than 97% of its daily moves over the past 250 trading daysHow: share of past daily moves smaller in size · Sep 28, 2026, 1:35 PM ET
• POSSIBLE CONTRIBUTOR
  News: “Which S&P500 stocks are moving on Monday?”Published around the move. Timing only, not a confirmed cause. · Sep 28, 2026, 12:35 PM ET
• POSSIBLE CONTRIBUTOR
  News: “DoorDash doubles down on WPP, naming agency global media partner”Published around the move. Timing only, not a confirmed cause. · Sep 28, 2026, 11:00 AM ET
• CALCULATED
  After the 8 most similar DASH days since Oct 12, 2021, the stock was higher 5 days later 6 of 8 timesHistory, not a forecast. · How: same-company days with a move of similar size and direction