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Technology Sel SPDR Uptrend Replay (2021-05-12 to 2021-08-30)

StocksTechnology Select SPDR (XLK)USBoom2021-03 to 2021-10Difficulty 3/5FreeView charts

Replay a 150-day tech ETF uptrend that climbed 22.2% across a 8.5% drawdown window. Step through each session, face 4 critical decision points, and let the AI coach review how you handled the simulated volatility.

150K lines
11Decision points
3Difficulty
DailyGranularity

150 daily bars · 11 decision points · 2021-03 to 2021-10 · Stocks

Key facts

This window spans 215 days with a peak-to-trough drawdown of 8.5% and a 23.4% run-up.

Max drawdown
−8.5%
Max run-up
+23.4%
Duration
215 days
Largest single-day move
−3.0%
Bars
150 Daily bars
Decision points
11

Every figure above is computed programmatically from this replay’s own candle series — no editorial input, no LLM. Methodology: Methodology

How to play
  1. The market advances day by day. You only see candles up to the current day — as if you were really there.

  2. At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.

  3. After settlement you get a six-dimension score and an AI coach review. Your result enters the scenario leaderboard.

Event Replay

What happened — and what it teaches

The Technology Select Sector SPDR Fund (XLK) offers a compelling 150-trading-day replay spanning from March 2021 through October 2021 in the 2020s market era. This simulation places participants directly into a period of pronounced technology sector strength, where they must navigate an uptrend while managing the psychological pressures that accompany volatile price action. With 11 decision points embedded throughout—including 4 critical junctures—the scenario demands sustained attention and disciplined process rather than passive observation.

The numbers tell a story of solid reward earned within meaningful turbulence. The fund climbed from 64.8 to 79.18, delivering a 22.2% return over the data span. Yet this ascent was punctuated by an 8.5% maximum drawdown, and the largest single daily move reached 3.0%—reminding participants that even profitable trends exact emotional and tactical costs along the way. Understanding how to stay engaged through those pullbacks, without abandoning sound process, distinguishes skilled decision-makers from reactive ones.

This replay trains participants to confront three core challenges: maintaining a repeatable process during extended trends, calibrating risk exposure against realistic drawdown expectations, and managing the psychological friction that volatility creates. The 4 critical decision points serve as pressure tests for entries, exits, and position adjustments. Success here is not about predicting the next bar but about responding consistently to unfolding price action with emotional discipline.