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File: ACGLCLIPPED · 2026-09-14

ACGL

Arch Capital Group
Mkt cap $31B
Sector benchmark XLF
97.95
+1.9%
±2.4%into Sep 1893.7798.41±2.4%monthly93.7798.41Pullback · CandidateKnife · FadedMomentum · DP short-vol · 18% ▾ easing
Price · 6 months · daily
6m high106.48
6m low87.62
Vol vs 20d avg2.0× · heavy
Off 52-wk high-8.0%

Dark pool FINRA · T+1

23Selection score
frozen logit · OOS +0.145R · one era
SVR 50%SHORT-VOL RATIO · 40 SESSIONS
Short-vol ratio18% · easing
Off-exchange share33%
vs own 1-yr (z)-2.1

Sector RS vs XLF

0.4%vs XLF · 63 sessions
ACGL vs XLF · 3m−0.4%
ACGL vs XLF · 6m−10.6%
ratio of closes, rebased — a relative read, not a peer percentile

Gamma profile CBOE delayed

Call wall100.00
Zero-gamma97.50
Put wall95.00
Spot vs zero-γ0.5% above
Dealer postureshort gamma · chases moves
nearest expiry 2026-09-18 · heuristics · full profile →

Gamma history nightly

0NET GEX $M · ALL EXPIRIES
20 Jul11 Sep · full history →

Session over session 10 Sep11 Sep

Expected move · monthly 18 Sep2.42%0.00 pp
Call and put wallheld their strikes
full listed chain, a separate capture from the gamma panel · CBOE delayed
Auto-note //Holding above zero-gamma (97.50) — dealer hedging dampens moves above it. The 100.00 call wall is the nearest-expiry ceiling heuristic; 95.00 is the floor. Options price ±2.4% into Sep 18. Dark-pool short volume at 18% and easing vs its 20-day. The pullback screen flagged a reclaim candidate on Aug 10.
Composed from the nightly pipelines — every panel degrades independently when its dataset is missing. Heuristics labeled as heuristics; not investment advice.