TRADING HABITS

THE TAPE — $RDDT — AUG 18, 2026, 8:15 AM ET

Reddit Joins the S&P 500 Today. Yesterday's Candle Already Gave Back the Party.

Jason Parker, founder of Trading Habits
Every habit in this library exists because I paid tuition for the mistake first.
Jason Parker, Founder of Trading Habits

Jason Parker, Editor

Reddit officially enters the S&P 500 today, Aug 18...

...but the stock closed down 7.63% yesterday on heavy volume, erasing most of Friday's 12.6% inclusion rally...

...a slide Blockonomi and TradingKey tie to profit-taking, a disclosed insider Form 144 filing for up to 195,000 shares, and valuation pushback near 40 times earnings.

Scorecard

Read Daily
Trend Down
Momentum Fading
Key Level $180 resistance / $155 support
Volume Above Avg

Zoom Ladder

Daily — NYSE:RDDT

Reddit RDDT daily candlestick chart, August 18 2026 premarket, TradingView
  • Feb low near $100 to Jul high near $210, 1 clean uptrend, 5 months, no argument there.
  • 2 outsized volume bars back to back this week, 1 green on the inclusion news, 1 red the very next day bigger than the green.
  • Yesterday's red candle closed at $164.50, wiping most of the prior pop's range in a single session.
  • $155 to $160 held as support twice in early Aug. That zone is the line that still matters.
Right Now

The index inclusion lands today...

...but the chart already sold the news a day early.

Every bit of this now sits on whether $155 to $160 holds as support 1 more time.

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Jason Parker, founder of Trading Habits

Built by Jason Parker, founder of Trading Habits.