The TASI closed at 10,709.04, down 1.28% on total volume of 271.2 million shares, extending its bear-regime posture with 20-day momentum at -8.83 and a market-wide average RSI of 33.20. Despite the index-level decline, breadth was notably positive: 183 stocks advanced against 72 decliners, suggesting broad individual-stock resilience beneath the large-cap drag. At the sector level, only 3 of 22 sectors gained while 18 fell and 1 was flat. Nomu declined 0.54% to 22,792.98.
Banks shed 1.02% on volume of 38.0 million shares, though sector breadth was constructive at 8 advancers to 2 decliners with 20-day momentum still positive at +6.48. Materials fell 1.37% with 37 advancing constituents against just 6 decliners, indicating the damage was concentrated in large-cap names. Energy was the session's notable laggard among heavyweight sectors, tumbling 2.88% as Aramco's steep decline weighed on the index; underlying breadth held at 6 advancers to 1 decliner. Media & Entertainment posted the deepest single-sector loss at -6.20%.
Rabigh Refining and Petrochemical Co. (2380) surged 5.81% to SAR 7.28 on volume of 12.78 million shares—3.21x average volume. Microstructure data showed smart money flow and buying pressure alongside a large order ratio of 28.93, signaling conviction behind the move. The company carries a negative trailing P/E, reflecting ongoing operating losses. Saudi Arabian Oil Co. (2222) dropped 3.03% to SAR 24.96 on 16.49 million shares at 1.53x average volume. The stock registered selling pressure, institutional selling, and buyer exhaustion, with volume-price divergence flagged. Aramco trades at a trailing P/E of 17.05 with a forward P/E of 15.41 and most recently beat quarterly estimates; 16 analysts project consensus EPS of SAR 1.56. Sahara International Petrochemical Co. (2310) fell 1.21% to SAR 13.87 on volume of 27.15 million shares—7.79x average volume. Institutional selling and selling pressure were active alongside market-maker activity, while volume-price divergence was detected. The stock trades at a price-to-book of 0.73 and most recently missed quarterly estimates.
The Saudi National Bank (1180) declined 1.65% to SAR 41.68 on 9.57 million shares at 1.87x average volume. Microstructure signals showed institutional selling, buyer exhaustion, and selling pressure, with volume-price divergence and market-maker activity detected. The large order ratio stood at 7.37. SNB trades at a trailing P/E of 10.52 and most recently missed quarterly estimates despite a long-term beat rate of 95%. Saudi Telecom Co. (7010) fell 1.51% to SAR 41.82 on 6.42 million shares at 2.42x average volume. The stock showed institutional selling, buyer exhaustion, and selling pressure alongside market-maker activity and volume-price divergence. STC trades at a trailing P/E of 17.92 with an RSI of 22.42, and most recently beat quarterly estimates. Banque Saudi Fransi (1050) eased just 0.25% to SAR 19.87 at 1.35x average volume, with stealth accumulation and an accumulation signal active, accompanied by buying pressure, suggesting quiet inflows beneath the flat surface. It trades at a trailing P/E of 10.00 and has beaten estimates in six consecutive quarters.
According to the Sigmix Microstructure Engine: Petro Rabigh (2380) recorded net order flow of +4,430 with a positive order flow ratio of 0.648, while smart money flow was active on volume 3.21x above its 20-day average. In contrast, Aramco (2222) showed net order flow of +13,373 and an order flow ratio of 0.229 despite institutional selling and buyer exhaustion being flagged—a divergence between directional flow and selling signals that suggests complex positioning beneath the surface.
Brent crude fell 1.89% to $69.69, amplifying pressure on Saudi energy names. Gold climbed 0.35% to $5,183.15. The US regime shifted to risk-on after one day, transitioning from neutral. The SPY-TASI channel correlation stands at 0.05 with normal status and a seven-day delta of -0.04, indicating limited direct transmission. The XLE-Aramco channel registered weak status at a 30-day correlation of 0.24.
No scheduled economic events or earnings releases appear on the immediate calendar. Participants may monitor the XLE-Aramco channel for further decoupling signals and watch whether the bear regime's breadth divergence—strong advancing counts against a falling index—persists into the next session.
What is not confirmed: Whether the positive breadth divergence (183 advancers vs. 72 decliners) signals a pending shift out of the bear regime or merely reflects narrow large-cap weakness. Whether institutional selling flagged in Aramco, SNB, and Sipchem reflects strategic repositioning or routine portfolio rebalancing. Whether the volume spike in Sipchem at 7.79x average volume is related to an undisclosed corporate event. Whether the US regime's fresh shift to risk-on will transmit meaningfully to the Saudi market given the currently weak cross-market correlations.
This report is produced by the Sigmix Intelligence Desk for informational purposes only. It does not constitute investment advice, a solicitation, or a recommendation to buy or sell any security. All data is derived from the Sigmix Microstructure Engine and public market feeds. Past performance is not indicative of future results.