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Daily session record

Tuesday, 29 September 2026

Session of Tuesday, 29 September 2026

Convexa versus SPY

Performance shown reflects the actual historical results of the private Convexa strategy for the periods stated. SPY is provided solely as a comparative benchmark and has a materially different risk profile. Past performance is not indicative of future results. Performance Methodology →

29 September 2026

Editor’s Note

The September 29 session was marked by subdued realized volatility, yet the market is already pricing the risk of upcoming events into option premiums. Implied volatility rose across the entire surface, in both the put and call wings; as expected, put-wing volatility repriced at a faster pace.

The repricing of volatility resulted in a moderate loss for the portfolio on the session.

The key question now is how the upcoming events play out and how strongly the market reacts to them.

Editor’s Note reflects the author’s market perspective at the time of publication and should be read as commentary, not investment advice.

Market

Session of 29 September 2026
Technical Analysis

The September 29 session saw Nasdaq outperform again. QQQ rose 0.19% to 737.93 and the Nasdaq-100 gained 0.21% to 30,339.33, while SPY slipped 0.18% to 764.20 and the S&P 500 fell 0.17% to 7,670.84. Equal-weight QQEW led with +0.67%; RSP declined 0.11%.

QQQ remains above all principal averages: 2.07% above its 20-day (722.94), 3.31% above its 50-day (714.31) and 10.68% above its 200-day, with both shorter averages still rising. RSI(14) stands at 59.2. SPY closed 0.11% below a flat 20-day average (765.02) and only 0.23% above its 50-day, leaving its short-term trend neutral.

Participation remains the weak point. Only 46.53% of Nasdaq-100 members and 24.75% of S&P 500 members trade above their 50-day averages, and the QQQ advance came on 27.05 million shares versus 41.78 million in the September 28 decline. Over 20 sessions, QQEW has lagged QQQ by 4.20%.

Main technical conclusion: the QQQ uptrend is intact on all three horizons but remains unconfirmed by breadth. Price is contained between modeled zero gamma at 737.11 and the 740.58–741.42 cluster; above it lies the 748.35–748.65 record zone, below it the 730–731.63 support cluster.

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Fundamental Analysis

Labor and consumer data disappointed on September 29. JOLTS job openings came in at 7.079 million against a 7.225 million consensus, and Conference Board consumer confidence fell to 81.9 from 88.6, well below the 89.2 expected.

The Treasury curve bear-steepened. The 2-year yield fell 3 bp to 4.89% while the 10-year rose 2 bp to 5.26% and the 30-year reached 5.59%, a 24-year high; 2s10s widened to 37 bp. Over five sessions the 10-year has risen 30 bp, almost entirely in real terms (10-year real yield 2.91%). New York Fed President Williams said there is no urgency for the next hike, while Chicago Fed President Goolsbee warned that persistent inflation is "playing with fire."

The S&P 500 forward earnings yield of 5.21% (forward P/E 19.2) now sits 0.05 pp below the 10-year yield, a negative nominal equity risk premium. High-yield spreads widened to 302 bp, up 42 bp over 20 sessions. Forward EPS revisions (+1.40% over four weeks) remain the principal offset.

Main fundamental conclusion: the scorecard totals −6 of ±14 on six of seven components, an unfavorable backdrop. The improvement from −8 is technical — Fed futures pricing was unavailable for the session and the component is excluded — while real rates, credit and oil continue to outweigh resilient earnings momentum.

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Volatility

Regime. Volatility held steady on September 29 as QQQ edged 0.19% higher to 737.93. VIX closed at 16.04 (−0.03), VIX9D at 14.21 (−0.18) and VXN at 22.07 (−0.06), keeping the Nasdaq premium over the broad market at 6.03 points.

Short versus long volatility. The curve remained in contango: VIX/VIX3M edged up to 0.887, within the Normal band, as VIX3M declined more than spot. October VX futures settled at 17.677 (−0.032) and the M2 − M1 spread narrowed to 0.70, consistent with a volatility market pausing after the September 28 spike.

Nasdaq volatility. QQQ 30-day implied volatility rose to 19.26% against 16.02% realized over 20 sessions, a premium of 3.24 points; 10-session realized volatility eased to 17.90%. Event premium sits in the front expiries: 20.42% for September 30 (PCE) and 20.81% for the October 2 weekly (payrolls), versus 18.52% for the October 16 monthly. The weekly straddle implies ±1.51%.

Principal warning. On our model, the roll-off of the September 29 expiry flipped net GEX from −$2.23 billion to +$0.46 billion per 1% move, and zero gamma moved down to 737.11, just 0.11% below the close. The profile is asymmetric: a 1% decline would take modeled GEX to −$3.20 billion, so a close below 733.42 would place the market in negative gamma, while a close above 740.80 would turn it positive. Put wall 730 and call wall 760 are model estimates, not observed positions.

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Methodology