Boom · S&P 500 Index (2017)
Replay a 144-bar boom as the S&P 500 climbs from 2438.97 to 2711.93 between August 2017 and March 2018. Step through each trading day, make 25 decision choices, and receive an AI coach review of your simulated reasoning.
144 daily bars · 25 decision points · 2017-08 to 2018-03 · Stocks
Key facts
This window spans 209 days with a peak-to-trough drawdown of 10.2% and a 17.8% run-up.
- Max drawdown
- −10.2%
- Max run-up
- +17.8%
- Duration
- 209 days
- Largest single-day move
- −4.1%
- Bars
- 144 Daily bars
- Decision points
- 25
Every figure above is computed programmatically from this replay’s own candle series — no editorial input, no LLM. Methodology: Methodology
The market advances day by day. You only see candles up to the current day — as if you were really there.
At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.
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 scenario replays a 144-bar period of U.S. equity markets spanning August 2017 to March 2018. During the 2010s, the S&P 500 started this stretch at 2438.97, with policy discussions around tax reform creating an environment of anticipation and uncertainty. Participants face 25 decision points, including 9 marked as critical, requiring them to navigate a market driven by policy expectations.
The index climbed to 2711.93, representing an 11.2% gain over the period. However, this was not a smooth trajectory. Participants would have encountered a maximum drawdown of 10.2% along the way, testing conviction and risk management. The largest single-bar move of 4.1% on any given day would have challenged even seasoned participants, reminding everyone that policy-driven sentiment can produce outsized daily swings within an otherwise orderly advance.
This replay teaches that process matters more than prediction. Maintaining discipline through the 10.2% pullback, sizing positions appropriately for the 4.1% intraday spikes, and staying grounded in historical context rather than headlines are the habits that separate thoughtful practice from guesswork. The 2010s policy boom offers a classroom for building the psychological resilience needed when markets move on anticipation rather than confirmed fundamentals.