What's New

SITREP #010: The Busiest Hour Has No Tape

The FOMC hiked 25 bp to 3.75-4.00% on a 12-0 vote, the first increase since 2023, and the September SEP erased the 2027 easing path. The SEC roundtable confirmed 21% of overnight volume trades in the 8-to-9 PM hour, which stays ATS-only and off the tape after December 6. The same day, the Commission issued a five-year Innovation Exemption for tokenized NMS stock. Three venues ran $19.4B.

/insights/sitrep-2026-09-20 →

From 23/5 to 24/7: What an Always-On Equity Market Demands

Once 23/5 launches on December 6, 92% of the hours US equities still sit dark will be the weekend. The step to 24/7 is not a longer trading day, it is the removal of the weekend and the last scheduled reset the system depends on. NSCC has cleared 24x5 since June and the SIPs are approved for 23x5, but nothing that settles a trade moves on a Saturday, and Fedwire reaches only six days in 2028 or 2029. Includes a panel by panel listening guide for the SEC roundtable.

/insights/23x5-to-24x7 →

SITREP #009: The Night the Halts Ended

BlueOcean stopped halting symbols for fair access reasons from the Thursday session. Ten of the eighteen names printed that night, the six with an August history at 50 percent of their August pace, and SOXL volume at Bruce fell by half. Memory regained overnight share in a week it fell by day, and two more cover-page amendments took the unseen count to seven.

/insights/sitrep-2026-09-13 →

SITREP #008: The Amendments You Cannot See

BlueOcean overnight notional fell 35.1% to $12.25B in the week it made 18 symbols unavailable, and the semis complex fell even with SOXL set aside. IntelligentCross filed to open an overnight book with no NBBO. A Form ATS-N material amendment can be filed as a cover page only, and five such amendments are not in any restated form today, one of them six days old at Fidelity's CrossStream.

/insights/sitrep-2026-09-07 →

SITREP #007: The Complex That Drove the Rebound Left

Overnight BlueOcean notional fell 26.4% to $18.89B. Memory ran a series high of 33.9% of the tape two weeks ago and a nine-week low of 21.3% this week, the largest one-week fall in 45 weeks of data, and it happened in the week Nvidia and Marvell reported. No Form ATS-N filings were made at all. Also: a look back at what earlier editions read as Moon ATS going dark, and why that finding is now unconfirmed.

/insights/sitrep-2026-08-30 →

The Graded Market

We read the current Form ATS-N of all 33 operating NMS Stock ATSs, 99.8% of off-exchange notional, and asked one question of each: who decides who you meet? In 53% of ATS dollar volume the operator classifies counterparties by measured behavior, mark-outs, reversion, add-take ratios. In 29% it may reclassify without notice. No venue anywhere lets a subscriber choose its own category, and the only all-to-all venues left are the three overnight ATSs. Every quotation verified against the filing text.

/insights/the-graded-market →

The Room and the Pipe

A follow-up to our Nasdaq and LeveL piece. One US exchange operator has bought an NMS Stock ATS outright, and four other exchange groups have come close enough to qualify how rare that is. Measured over 32 complete FINRA weeks, LeveL holds 7.96% of ATS notional on 43-share prints against BIDS at 3.73% on 551-share prints, yet 12 of their 15 largest names are the same: one pond at two resolutions. Their Form ATS-N histories run opposite too, 7 material amendments against 21. Why it matters now: if Rule 611 goes, execution shifts toward bilateral terms, and the overnight session, the only unallocated share in US equities, grew 97% over the same window.

/insights/exchanges-buying-dark-pools →

The Lit Half Is No Longer Half

Six months of US equities market share in one read. Off-exchange crossed 50 percent of consolidated share volume in July 2026 and held there, with the strongest full week at 51.3 percent. Every major lit exchange lost share: NYSE Arca gave up 1.02 points, MEMX lost 23 percent of its share in relative terms, and the only exchange of size that grew is IEX, up 14.5 percent. TXSE, six weeks after launch, holds 0.08 percent, and the Texas halo went to the incumbents that renamed themselves. First in a series that goes venue by venue next, starting with the order-type map.

/insights/lit-tape-six-months →

SITREP #006: The Contraction Lasted Exactly One Week

Overnight ATS notional rebounded 59 percent to $25.7B and memory took a series-high 33.9 percent of the tape, with SanDisk alone at $3.93B outrunning every other symbol. Moderna's Phase 3 readout produced a 1,700x one-night jump in overnight notional that still could not crack the tape's top nine names. IntelligentCross filed to let subscribers route around its own matching engine, and Nvidia, core PCE and Jackson Hole land in the same three-day stretch ahead.

/insights/sitrep-2026-08-23 →

Thirteen Percent of the Trading, One Percent of the Assets

Across 60 sessions to 2026-08-14, 74 commodity ETFs printed on the overnight tape for $7.16B, which is 1.98% of it. Gold, crude and silver are 94% of that. Silver is 99% metal; copper is 95% miners. And levered and inverse funds account for 13.5% of direct-commodity overnight notional while holding 1.1% of the assets.

/insights/commodity-etf-overnight →

Thirty Times Wider, Six Times Narrower

Quotes are absolute and live in cents. Spreads and market-maker economics are proportional and live in basis points. Joining a share price to the June 2026 Rule 605 files of six wholesalers, the half spread rises thirtyfold in cents from the cheapest price band to the priciest and falls more than sixfold in basis points. Half of retail share volume trades below $10, where the quote sits on the one-cent floor and clients keep 40% of the available spread rather than 60%. The half-penny increment adopted in 2024 is now deferred to November 2027, so this is the baseline measurement of the uniform grid.

/insights/thirty-times-wider →

The Flow Nobody Measures

Retail execution is measured twice over. Across 65.5 billion shares and 12,643 symbols we can fit a size elasticity of -0.78, compute a Gini of 0.878 on price improvement dollars, and show that the share of the available spread returned to the client falls from 73% on small orders to 34% on large ones. None of that analysis can be built for adviser algorithmic flow, because Rule 605 still excludes not-held orders after the 2024 overhaul and the public Rule 606 report is held-only by schema.

/insights/flow-nobody-measures →

What the Rule 611 Comment File Actually Cites

The comment file on rescinding the trade-through rule closed on August 17. We downloaded every record the SEC hosts and counted, per letter, which provisions of Regulation NMS it names. Rule 611 appears in 95 percent of substantive letters and Rule 610(e) in 75 percent. Rule 610(c) appears in 23 percent. Rule 610(d), the fee-transparency requirement that went live in February and was never deferred, appears once, in pre-2024 numbering. The full 172-row table is published.

/insights/reg-nms-comment-concordance →

The Access Fee Cap Is Not a Ceiling. It Is the Price.

Thirteen of the seventeen US lit exchanges we can price charge exactly $0.0030 to remove displayed liquidity. The legal maximum is $0.0030. IEX alone prices below the cap at $0.0024. Three venues do not charge to take at all: NYSE National charges nothing, and Cboe BYX and Nasdaq Texas pay you a rebate. Meanwhile the amendment cutting the cap by two thirds has been deferred twice, now to November 2027, and 23 of 45 ATSs disclose no rate at all.

/insights/access-fee-cap →

Five Ways US Exchanges Encode Execution Economics

Sixteen exchanges. 732 liquidity codes. Four incompatible architectures for the liquidity flag and a fifth for the peg price itself. NYSE enumerates 141 codes. Cboe splits across two fields. IEX composes a base plus suffix. MEMX and LTSE use 4 values and a 12-bit orthogonal set. TXSE puts pegs on a continuous 0-10000 basis-point dial. And NYSE Pillar v6.0 already codes Overnight at protocol level, four months before the SIP catches up.

/insights/execution-code-architectures →

SITREP #005: The Overnight Tape Halved While the Indices Held

Overnight ATS notional fell 57 percent in two weeks, from $37.8B to $16.2B, while the index tape finished roughly flat. Semiconductor and memory concentration dropped under half for the first time in the eight-week series. And on two of five sessions the overnight bid did not carry into the opening print, by as much as 23 points.

/insights/sitrep-2026-08-16 →

Two Venues, Opposite Moves: PureStream and OneChronos

PureStream rebuilds its Liquidity Maker pool: subscriber-tagged sub-pools become an operator-classified Supplemental Pool, and market makers become a named subscriber type. OneChronos goes live in pre-market hours, running combinatorial auctions from 7:00 a.m. ET. #6 and #13 by FINRA notional in the latest published week. Eight days apart, opposite strategies.

/insights/ats-structural-divergence →

The Eight Hours When the ETF Industry Inverts

Between 8 PM and 4 AM the exchanges are shut and three ATS venues are the whole market. Leveraged and inverse products go from 10.8% of all-hours ETF volume to 56.7%. Direxion climbs from fifth to first, State Street falls from first to fourth, and Vanguard does not place at all. Part II of two.

/insights/etf-overnight-inversion →

The 40-Point Gap Hiding Inside the S&P 500

Two funds track the same index. In the median week VOO sends 57% of its volume to dealers off-exchange while SPY sends 20%. Across 34 ETFs the tape splits 61% lit, 26% non-ATS off-exchange and 13% ATS, so only about an eighth ever touches a dark pool. Plus a T-bill ETF that is internalized harder than either S&P tracker, and not by retail.

/insights/sp500-internalization-gap →

What Nasdaq Is Buying: LeveL Markets in the Data

An exchange operator is buying the third-largest dark pool five weeks before the comment file closes on rescinding Rule 611. The volume is the obvious part: $2.15 trillion, 7.99 percent of all ATS notional, 12,918 symbols. The reason to pay for it is the stability. LeveL holds the steadiest market share in the field apart from one captive bank pool, and unlike that pool it is broker-neutral, which makes the flow a distribution network an exchange cannot build by filing a rule. Four readings of the acquisition, each with a measurable way to be proven wrong.

/insights/level-markets-nasdaq →

SITREP #004: The SEC Built a Backstop, Not a Bypass

The SEC granted 24X conditional exemptive relief on August 7, then set it to begin January 24, 2027 and expire the moment the consolidated tape extends. Rule 605 execution-quality reporting went live August 1, pulling larger broker-dealers into scope for the first time. And the overnight tape closed a seventh straight week above 50 percent semiconductors, with memory alone at a quarter of the flow.

/insights/sitrep-2026-08-09 →

Mosaic ATS: A Deep Evaluation

A new non-displayed midpoint venue that sorts every order into one of three interaction levels using a proprietary informed-trading score called MERIT, and requires institutional subscribers to declare their expected participation rate on every order. Twelve weeks of FINRA data show it going from a single test trade in April to 2,178 trades in the week of July 6.

/insights/mosaic-ats →

The Rewrite: What U.S. Dark Pools Are Building in 2026

U.S. dark pools filed 108 ATS-N amendments in the first half of 2026. Read for substance, they show one program: benchmark and VWAP order types moving inside the pool, wider and more direct access, a longer trading day, and a new layer of surveillance and anti-gaming controls. EDGAR-verified, with a shares-first volume leaderboard.

/insights/ats-overnight-rewrite-h1-2026 →

SITREP #003: AI CapEx Hit Earnings Reality. The Overnight Tape Showed It First.

The AI capital expenditure narrative collided with earnings from Alphabet and Tesla. Overnight breadth collapsed from 76.5% to 47.3% in three sessions. $29.8 billion crossed the three overnight venues, 44% in five tickers, 70% of ETF notional in geared product. FOMC Wednesday, hyperscaler earnings Wed/Thu, and a fresh Middle East supply shock over the weekend.

/insights/sitrep-2026-07-26 →

SITREP #002: Tokenization Stopped Being a Roadmap and Became a Trade

DTCC began limited production trades of tokenized Russell 1000 equities, ETFs and Treasuries on ComposerX. Citadel Securities, J.P. Morgan, Vanguard and Societe Generale ran named production events, and J.P. Morgan pledged tokenized collateral against a CME margin requirement. Plus three Regulation Crypto proposals targeted for July and the August 17 Rule 611 comment deadline.

/insights/sitrep-2026-07-19 →

The Patent Layer: Tokenization's Newest Market-Structure Problem

Tokenized markets are acquiring an intellectual-property layer. The tZERO enforcement campaign against Securitize: two asserted patents, a Delaware declaratory-judgment suit, and a 105-patent portfolio behind it, is the first major test of how patents interact with regulated tokenization and open standards.

/insights/tokenized-patent-layer →

The ATS Filing Tape: What 1,116 Filings Reveal

A combined read of the full SEC ATS-N filing corpus and two years of FINRA Rule 4552 volume across 44 dark venues. Execution logic, order types, and subscriber access are the battleground; SEC-ordered amendments spiked in 2025; and the busiest filers are conspicuously not the biggest venues. Four charts, one cross-referenced leaderboard.

/insights/ats-filing-trends-2026 →

AlphaX US: A Deep Evaluation

A filing-by-filing structural read of TMX Group's dark batch auction venue. Randomized 40ms matching, midpoint-of-book pricing with 50/50 price improvement, directed counterparty flow, and a ten-filing ATS-N record verified against SEC EDGAR. Architecture, liquidity profile, growth trajectory, and regulatory posture.

/insights/alphax-us →

SITREP #001: The Week the Infrastructure Caught Up With the Policy

New Sunday morning situation report. SEC 2026 regulatory agenda, DTCC tokenization pilot, CAT governance, FINRA enforcement backdrop, and the forward calendar through December 6.

/insights/sitrep-2026-07-11 →

SEC approves SIP 23x5 extended hours

CTA and UTP Plan Amendments approved July 7, 2026. SIPs will operate Sunday 9 PM through Friday 8 PM ET starting December 6, 2026. Six industry UAT weekends begin October 2.

/insights/sip-23x5-second-domino →

New article: SIP Goes 23x5, The Second Domino Falls

Eight days after NSCC launched 24x5 clearing, the SEC approved SIP extension. The two systemic gates to 24/5 US equity trading are now both resolved.

/insights/sip-23x5-second-domino →

NSCC 24x5 Clearing Goes Live: What It Means for Overnight ATS Volume

DTCC's NSCC launched 24x5 clearing on June 29, 2026. The last systemic clearing-risk argument against overnight equity trading is retired. Three waves of impact ahead, tied to the pre-NSCC overnight ATS baseline (4.3% of all FINRA ETF dark-pool notional, 23.9% in Tier 2).

/insights/nscc-24x5-clearing-2026 →

Ten Names, $247 Billion: The Mega-Cap Concentration Inside ATS Tier 1

SPY alone moved $48B in T1 flow across 9 ATSs in 10 weeks. The top 10 T1 names account for 14.7% of all ATS Tier 1 notional. Every venue routes them: the distinction is concentration: UBSA routes $11.7B in SPY; IATS routes $1.1B. Full 9-venue name-by-venue routing matrix, T2 surprises (TSM $18.9B, ASML $1,391/sh, MELI $1,829/sh), and the share-to-notional rank inversion across all 14 venues.

/insights/ats-tier-split →

One MPID, Two Markets: The Structural Split Inside BlueOcean ATS

86.8% of BlueOcean ATS volume is Tier 2, the highest T2 concentration of any major ATS in the window. Every peer runs 55–57% Tier 1. Strip T2 and BLUE's Tier 1 book reveals a recognizable Asia-retail fingerprint: SLV, NVDA, IBIT, EWY. One ranking. Two client books.

/insights/blue-tier-split →

ETF Overnight Flow Lab

New ML-style research: 4-state HMM regime detection over 150 days (QUIET → DISPERSED gives 80% next-day QQQ range lift) + SHAP-attributed XGBoost predictor showing overnight gap magnitude and flow concentration beat leveraged-share for next-day vol. Plus the original cluster archetypes.

/insights/etf-overnight-flow-lab →

$55.1B in Overnight ATS vs. the Consolidated Tape: Week of June 22

Overnight ATS notional hit $55.1B across three venues, up 52% week-over-week. For the first time, we mapped it against NYSE consolidated tape volume. Tuesday peaked at 2.04% of tape. Six of the top 10 names were semis.

/insights/week-of-june-22-2026 →

$55.1B overnight ATS week, +52% WoW

3-venue total across BlueOcean, Bruce, Moon. ADV $11.0B. 1,656 active symbols.

/recap →

Q2 2026 N-CEN fund structure data

Authorized participants, custodians, securities lending, fund mechanics for 1,137 ETFs.

/etf-overnight →

ETF Issuer Intelligence dashboard

116 issuers ranked by overnight ATS notional. iShares, ProShares, Direxion, Vanguard and more.

/etf/issuers →

/government landing page

New vertical for federal and state government work. SDVOSB-track positioning.

/government →

ETF Cluster Explorer

758 ETFs mapped across 8 behavioral clusters. PCA / t-SNE projections, radar fingerprints, distance mode, similarity network.

/etf/clusters →

ETF Profile pages: 1,137 ETFs

Hero, overnight history, holdings, similar ETFs, fund structure (APs, custodians), and Cluster DNA card.

/etf-overnight →

FINRA ATS weekly through May 11

673,506 new rows. 1.16M total across 19 weeks, 16 ATSs, 12,593 unique symbols.

/venue-intel →

Weekly ATS Recap

Public session recap with 7 SVG charts: volume trends, venue breakdown, top names, sector flow.

/recap →

Regime Forecast Card

Claude-powered 3-sentence regime outlook on /markets, refreshed every 15 minutes.

/markets →

Where Tokenization Actually Completes the Equity Ecosystem

Cutting through the hype on tokenized equities. Most "tokenized stock" is exposure, not ownership. A field map of where a shared ledger completes the equity lifecycle end-to-end, and where it stays anchored in law.

/insights/equity-tokenization →

SPCX Overnight: $260B Intraday, $5.1B Overnight, and the 2x Wrapper Math

SPCX traded $260B across five regular sessions. The institutional overnight ATS pool handled $5.14B, 1.98% of dollars, 100% of the directional signal. Eleven single-stock wrappers held an exact 2x basis-point relationship to the underlying across four independent overnight tests. Full week volume map + price arc + wrapper liquidity migration.

/insights/spcx-overnight →

The Overnight ETF Tape, Mapped

We join SEC N-PORT holdings with three-venue overnight ATS data to map 758 ETFs into eight structural families. A full tour of the data, the visuals and what they show, and the roadmap for what ships next. Free to read for three days.

/insights/etf-overnight-intelligence →

The Bitcoin Liquidity Paradox: When Digital Gold Meets Wall Street Leverage

MicroStrategy's $8.2B convertible debt structure introduces systemic fragility. Grayscale Research (June 2026) confirmed the STRC feedback-loop dynamic the original November 2025 paper predicted. Interactive model inside.

/insights/bitcoin-liquidity-paradox →

$9.59 Billion Overnight. 19 Symbols Above $100 Million.

The second-largest overnight ATS session on record. 19 symbols cleared $100M, more than double the 90-day average. The post-Memorial-Day step-change is structural.

/insights/daily-fact-2026-06-01 →

At Night, the ETF Industry Looks Nothing Like the Day

61% of overnight ETF notional is leveraged or inverse. Direxion is the number one issuer, not iShares. SOXL alone prints more than every sector ETF combined. The ETF industry rankings invert at night.

/insights/overnight-etf-leverage-tape →

ATS-N Regulatory Brief: What 31 Filings Tell Us About the Overnight Tape

Past 60 days saw 31 ATS-N filings. Four tell a story: FINRA's 4 AM TRF opening, OneChronos's periodic auction architecture, BNP Paribas's toxicity dampening, and Bruce Markets fee economics.

/insights/ats-regulatory-brief-may-2026 →

The ATS Leaderboard Is Repricing

New research

/insights/ats-competitive-landscape →

Where $40.9B Went: Overnight ATS Microstructure, Week of May 11

Overnight ATS notional across BlueOcean, Bruce, and Moon hit $40.9B, every session above the 20-day average. Five tickers absorbed 39% of weekly flow. All semis. Plus: Blue Ocean and Bruce climbing the FINRA leaderboard.

/insights/week-of-may-11-2026 →

Q1 2026 ATS Rankings

New research

/research/q1-2026-ats-report →

Clock Synchronization in Financial Markets: 2026 Update

Tech is at sub-nanosecond. Tier-one HFT is deployed. Regulators are still at 2016 thresholds. PTPv2.1, White Rabbit production deployments, FINRA Rule 6860, quantum optical clocks, and the 24x5 forcing function.

/insights/clock-synchronization-2026 →

The Map to Asset-Grade

A market structure playbook for prediction markets. How venues must build pre-trade integrity, market maker programs, resolution infrastructure, and cross-venue surveillance to become actual financial infrastructure.

/insights/asset-grade-map →