SPY Lost the 100-Day. Is This Still Contained?S&P 500SP_DLY:SPXTradeSentinelNotes1️⃣ What is it today? SPY closed Friday at 755.72, down 1.77% on the day and −0.56% for the week versus the prior Friday. Price finished below the 20-, 50- and 100-day averages, yet remains above the 150-day area near 745 and about 3.7% above the 200-day (728.85). NYSE breadth on Friday was soft but not broken: 36.3% of issues advanced, up-volume was 36.4%, and new highs still edged new lows (77 / 72). Across the week, S&P 500 stocks above the 200-day average improved from 56.1% to 59.4%, while the share above the 20-day slipped only slightly to 69.2%. Equal-weight RSP rose +0.82% on the week and still sits above all four major SMAs—evidence that the average stock held up better than the cap-weighted index. Volatility printed a white flag: VIX spiked to 23.93 intraday and closed 19.42; VIX/VIX3M stayed at 0.935, below the 1.0 stress line. Distribution in SPY is elevated—seven distribution days in 25 sessions—with Friday’s decline on nearly double normal volume. 2️⃣ Thesis This is a leadership correction inside an acceptance-under-test regime—not yet a broad market correction. Cap-weighted SPY is absorbing mega-cap and tech stress; NYSE participation and equal-weight strength argue the damage is concentrated, not systemic. Fear appeared on Friday and was absorbed before the term structure flipped. 3️⃣ What validates the thesis? - VIX holds below 20 and VIX/VIX3M drifts back toward ~0.90. - NYSE new highs continue to outnumber (or stay near) new lows. - S&P 500 % above the 20-day holds roughly above 60%. - RSP and broader NYSE participation remain constructive while SPY digests the 100-day loss. - No 90% down-volume day on the NYSE. 4️⃣ What invalidates the thesis? - VIX/VIX3M closes above 1.0. - SPY closes below the 150-day average near 745 on heavy volume. - NYSE flips to sustained new lows > new highs. - A 90% down-volume day appears. - S&P % above the 20-day breaks down sharply from the ~69% area. Market State Classification - Acceptance under test (price below short/intermediate averages; longer structure still intact). - Contained stress: white-flag VIX, term structure still < 1.0. - Cap-weighted weakness with better equal-weight / NYSE participation. - Elevated distribution in SPY (7 days / 25 sessions). Divergence Analysis SPY itself lost the 100-day and printed a heavy down day, yet 69% of S&P names remain above their 20-day average and RSP gained on the week. That split—weak index, sturdier average stock—is the core divergence. It supports “leadership/tech problem” over “whole-market breakdown,” until NYSE breadth or the 150-day give way. Alerts / Significance - White flag: VIX high 23.93 → close 19.42 (−4.5 pts from a high above 20). - VIX/VIX3M 0.935 — still below stress threshold 1.0 (watch for a close above 1.0). - SPY below ~100-day (~759), still above ~150-day (~745) — the level that would mark rotation → broader risk-off. - NYSE NH/NL 77/72 — fragile balance; a flip matters. - Distribution count elevated; Friday volume ~2× prior day.