BREAKING: The S&P 500 ETF, $SPY, posts a massive reversal in after hours trade, now up over +1%, as President Trump says he is considering “winding down” the Iran war. https://t.co/re8gqp3Ygn
A Reuters graphics chart showing the S&P 500 (SPX) intraday performance and related market indicators around the March 9, 2026 Iran‑crisis move — the infographic visualizes the sharp intraday reversal in equities (and linked oil-market moves) that followed comments about the conflict winding down, directly illustrating the market reaction described in the tweet.
Source: Reuters
Research Brief
What our analysis found
On Friday, March 20, 2026, President Trump posted on his Truth Social account that the administration was "considering winding down" military efforts in the Middle East, specifically referencing the ongoing conflict with Iran near the Strait of Hormuz. The post circulated in markets around 5:13 PM ET, after the regular trading session had closed. Axios and the Associated Press both confirmed the language and timing of the statement, with the AP additionally noting that the administration announced troop movements the same day, sending mixed signals about the conflict's trajectory.
Retail traders and social media accounts quickly reported that the SPDR S&P 500 ETF Trust (SPY) surged roughly +1%, or approximately $6 per share, in after-hours trading following the post. Multiple time-stamped Reddit threads and trading forums documented the move in real time, explicitly linking it to Trump's remarks. SPY, one of the world's most liquid ETFs with an inception date of January 22, 1993, regularly shows visible extended-hours price action on electronic communication networks.
However, no major financial news outlet such as Bloomberg, Reuters, or CNBC has published a story independently verifying a sustained +1% after-hours move on consolidated-tape data. Extended-hours trading is structurally thinner and more volatile than regular sessions, meaning after-hours prints can be fragile and may not hold once full liquidity returns. While the political catalyst is well-documented and the social media evidence is consistent with an after-hours spike, market-grade confirmation through official exchange trade logs or SIP/TRF print records remains outstanding.
Fact Check
Evidence from both sides
Supporting Evidence
Trump's statement confirmed by mainstream outlets
Axios and the Associated Press both published reports on March 20, 2026, verifying that President Trump posted on Truth Social that his administration was "considering winding down" military efforts in the Middle East, establishing the political catalyst cited in the tweet.
Timing aligns with after-hours window
The Truth Social post and related coverage circulated around 5:13 PM ET on Friday, March 20, 2026, which falls squarely in the after-hours trading session, making it plausible that the news triggered extended-hours price action in SPY.
Multiple contemporaneous retail reports document the move
Time-stamped Reddit threads and trading community posts recorded an SPY after-hours reversal of roughly +$6 (approximately +1%) and explicitly connected it to Trump's remarks, providing real-time social corroboration from market participants who observed the price action.
SPY's deep liquidity supports visible after-hours prints
As the most heavily traded ETF in the world, SPY routinely displays meaningful price discovery in extended-hours sessions on ECNs, making a visible after-hours reaction to major geopolitical news structurally plausible.
Contradicting Evidence
No consolidated-tape verification from major market outlets
Despite extensive searching, no Bloomberg, Reuters, or CNBC report was found that independently documents a sustained SPY +1% after-hours move tied to the Trump post using official exchange or consolidated-tape trade data, meaning the specific magnitude rests primarily on retail social media reports.
Extended-hours trading is structurally thin and volatile
After-hours sessions on ECNs operate with significantly less liquidity than regular market hours, which means price prints can be exaggerated, fragmented, or quickly reversed once full trading resumes, so a +1% snapshot may overstate the durability of the move.
After-hours prints may not reflect official or sustained prices
Trade reporting in extended sessions can involve lags, adjustments, and different reporting conditions compared to regular-session SIP/TRF prints, making social media screenshots an unreliable proxy for verified market data.
Mixed policy signals complicate the narrative
AP reporting noted that the administration simultaneously announced troop movements and sanctions adjustments on the same day, introducing contradictory signals that could have tempered or reversed any initial bullish reaction in subsequent trading.
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